Cookie policy

Reviewed 5 October 2026. Cookies are small files or browser storage items that help a website remember a choice or understand general use.

This policy explains storage used on Halcyon pages, why it may be present, how long it remains, and how a reader can control it. A cookie is normally associated with a browser rather than a named account. Clearing browser data on one device does not automatically clear a choice made on another device.

1. Cookie categories

Halcyon uses the essential session cookie where needed for secure page delivery and the local browser key named cookieChoice to remember an accept or reject decision for up to 12 months. With consent, limited analytics identifiers may be used to understand aggregate page visits and are configured with a maximum life of 13 months. Preference cookies can remember display choices for up to 12 months. We do not use cookies to infer sensitive health conditions or deliver personalised medical advertising.

The session cookie normally expires when the browser session ends, although hosting infrastructure may use a short-lived security token to maintain a request safely. cookieChoice records the banner choice and does not contain a reader's name. An optional analytics identifier, if enabled after consent, is configured with a reduced data set and a maximum 13-month lifespan; event records are reviewed in aggregate. A preference cookie may remember language, layout, or dismissal settings for up to 12 months.

You can reject optional cookies in the banner or clear them through browser settings. Blocking essential storage may affect small convenience features but should not prevent reading public articles. Third-party services, if enabled for measurement, must publish their own privacy information and may process technical events outside Indonesia under contractual or other lawful safeguards. Essential session storage is limited to the active visit where practical; the cookieChoice preference lasts up to 12 months; optional analytics identifiers last no more than 13 months; and display preferences last up to 12 months. Readers can withdraw optional consent at any time by clearing the browser setting or revisiting the site's cookie control. Halcyon records the policy review date as 5 October 2026 and aims to answer cookie questions within 10 business days. their own policies and are reviewed by Halcyon before activation. The site does not place advertising cookies merely because a reader views an editorial page.

• Safari, Chrome, Firefox, and Edge each provide controls for deleting individual or all site storage.
• Private browsing may remove session information when the window closes.
• Choosing reject again may replace the prior preference record with a new choice.
• Browser settings cannot necessarily remove storage held by a linked third-party domain; that provider's controls may be required.

Our hosting provider may process technical request data, including an IP address and user-agent string, to deliver pages and reduce abusive traffic. If measurement is active, a privacy-conscious analytics provider may process page path, approximate time, referrer category, and device type. We do not intentionally use this information to build a profile of sensitive health interests.

Where a provider processes data outside Indonesia, Halcyon reviews the provider's terms, security documentation, and available contractual safeguards. A reader can withdraw optional consent without losing access to public editorial pages. Withdrawal affects future collection; a technical record of the earlier choice may remain until the consent record's normal retention period ends.

Cookie questions and rights requests can be sent to Halcyon at Jalan Mawar No. 45, Kebayoran Baru, Jakarta Selatan, Jakarta 12160, Indonesia, or +62 857 2341 9876. We aim to acknowledge a request within 10 business days and respond within 30 days. We may ask for the browser, device, and approximate date so that a technical issue can be reproduced without asking for unnecessary personal information.

2. Cookie categories

Halcyon uses the essential session cookie where needed for secure page delivery and the local browser key named cookieChoice to remember an accept or reject decision for up to 12 months. With consent, limited analytics identifiers may be used to understand aggregate page visits and are configured with a maximum life of 13 months. Preference cookies can remember display choices for up to 12 months. We do not use cookies to infer sensitive health conditions or deliver personalised medical advertising.

The session cookie normally expires when the browser session ends, although hosting infrastructure may use a short-lived security token to maintain a request safely. cookieChoice records the banner choice and does not contain a reader's name. An optional analytics identifier, if enabled after consent, is configured with a reduced data set and a maximum 13-month lifespan; event records are reviewed in aggregate. A preference cookie may remember language, layout, or dismissal settings for up to 12 months.

You can reject optional cookies in the banner or clear them through browser settings. Blocking essential storage may affect small convenience features but should not prevent reading public articles. Third-party services, if enabled for measurement, must publish their own privacy information and may process technical events outside Indonesia under contractual or other lawful safeguards. Essential session storage is limited to the active visit where practical; the cookieChoice preference lasts up to 12 months; optional analytics identifiers last no more than 13 months; and display preferences last up to 12 months. Readers can withdraw optional consent at any time by clearing the browser setting or revisiting the site's cookie control. Halcyon records the policy review date as 5 October 2026 and aims to answer cookie questions within 10 business days. their own policies and are reviewed by Halcyon before activation. The site does not place advertising cookies merely because a reader views an editorial page.

• Safari, Chrome, Firefox, and Edge each provide controls for deleting individual or all site storage.
• Private browsing may remove session information when the window closes.
• Choosing reject again may replace the prior preference record with a new choice.
• Browser settings cannot necessarily remove storage held by a linked third-party domain; that provider's controls may be required.

Our hosting provider may process technical request data, including an IP address and user-agent string, to deliver pages and reduce abusive traffic. If measurement is active, a privacy-conscious analytics provider may process page path, approximate time, referrer category, and device type. We do not intentionally use this information to build a profile of sensitive health interests.

Where a provider processes data outside Indonesia, Halcyon reviews the provider's terms, security documentation, and available contractual safeguards. A reader can withdraw optional consent without losing access to public editorial pages. Withdrawal affects future collection; a technical record of the earlier choice may remain until the consent record's normal retention period ends.

Cookie questions and rights requests can be sent to Halcyon at Jalan Mawar No. 45, Kebayoran Baru, Jakarta Selatan, Jakarta 12160, Indonesia, or +62 857 2341 9876. We aim to acknowledge a request within 10 business days and respond within 30 days. We may ask for the browser, device, and approximate date so that a technical issue can be reproduced without asking for unnecessary personal information.

3. Cookie categories

Halcyon uses the essential session cookie where needed for secure page delivery and the local browser key named cookieChoice to remember an accept or reject decision for up to 12 months. With consent, limited analytics identifiers may be used to understand aggregate page visits and are configured with a maximum life of 13 months. Preference cookies can remember display choices for up to 12 months. We do not use cookies to infer sensitive health conditions or deliver personalised medical advertising.

The session cookie normally expires when the browser session ends, although hosting infrastructure may use a short-lived security token to maintain a request safely. cookieChoice records the banner choice and does not contain a reader's name. An optional analytics identifier, if enabled after consent, is configured with a reduced data set and a maximum 13-month lifespan; event records are reviewed in aggregate. A preference cookie may remember language, layout, or dismissal settings for up to 12 months.

You can reject optional cookies in the banner or clear them through browser settings. Blocking essential storage may affect small convenience features but should not prevent reading public articles. Third-party services, if enabled for measurement, must publish their own privacy information and may process technical events outside Indonesia under contractual or other lawful safeguards. Essential session storage is limited to the active visit where practical; the cookieChoice preference lasts up to 12 months; optional analytics identifiers last no more than 13 months; and display preferences last up to 12 months. Readers can withdraw optional consent at any time by clearing the browser setting or revisiting the site's cookie control. Halcyon records the policy review date as 5 October 2026 and aims to answer cookie questions within 10 business days. their own policies and are reviewed by Halcyon before activation. The site does not place advertising cookies merely because a reader views an editorial page.

• Safari, Chrome, Firefox, and Edge each provide controls for deleting individual or all site storage.
• Private browsing may remove session information when the window closes.
• Choosing reject again may replace the prior preference record with a new choice.
• Browser settings cannot necessarily remove storage held by a linked third-party domain; that provider's controls may be required.

Our hosting provider may process technical request data, including an IP address and user-agent string, to deliver pages and reduce abusive traffic. If measurement is active, a privacy-conscious analytics provider may process page path, approximate time, referrer category, and device type. We do not intentionally use this information to build a profile of sensitive health interests.

Where a provider processes data outside Indonesia, Halcyon reviews the provider's terms, security documentation, and available contractual safeguards. A reader can withdraw optional consent without losing access to public editorial pages. Withdrawal affects future collection; a technical record of the earlier choice may remain until the consent record's normal retention period ends.

Cookie questions and rights requests can be sent to Halcyon at Jalan Mawar No. 45, Kebayoran Baru, Jakarta Selatan, Jakarta 12160, Indonesia, or +62 857 2341 9876. We aim to acknowledge a request within 10 business days and respond within 30 days. We may ask for the browser, device, and approximate date so that a technical issue can be reproduced without asking for unnecessary personal information.

4. Cookie categories

Halcyon uses the essential session cookie where needed for secure page delivery and the local browser key named cookieChoice to remember an accept or reject decision for up to 12 months. With consent, limited analytics identifiers may be used to understand aggregate page visits and are configured with a maximum life of 13 months. Preference cookies can remember display choices for up to 12 months. We do not use cookies to infer sensitive health conditions or deliver personalised medical advertising.

The session cookie normally expires when the browser session ends, although hosting infrastructure may use a short-lived security token to maintain a request safely. cookieChoice records the banner choice and does not contain a reader's name. An optional analytics identifier, if enabled after consent, is configured with a reduced data set and a maximum 13-month lifespan; event records are reviewed in aggregate. A preference cookie may remember language, layout, or dismissal settings for up to 12 months.

You can reject optional cookies in the banner or clear them through browser settings. Blocking essential storage may affect small convenience features but should not prevent reading public articles. Third-party services, if enabled for measurement, must publish their own privacy information and may process technical events outside Indonesia under contractual or other lawful safeguards. Essential session storage is limited to the active visit where practical; the cookieChoice preference lasts up to 12 months; optional analytics identifiers last no more than 13 months; and display preferences last up to 12 months. Readers can withdraw optional consent at any time by clearing the browser setting or revisiting the site's cookie control. Halcyon records the policy review date as 5 October 2026 and aims to answer cookie questions within 10 business days. their own policies and are reviewed by Halcyon before activation. The site does not place advertising cookies merely because a reader views an editorial page.

• Safari, Chrome, Firefox, and Edge each provide controls for deleting individual or all site storage.
• Private browsing may remove session information when the window closes.
• Choosing reject again may replace the prior preference record with a new choice.
• Browser settings cannot necessarily remove storage held by a linked third-party domain; that provider's controls may be required.

Our hosting provider may process technical request data, including an IP address and user-agent string, to deliver pages and reduce abusive traffic. If measurement is active, a privacy-conscious analytics provider may process page path, approximate time, referrer category, and device type. We do not intentionally use this information to build a profile of sensitive health interests.

Where a provider processes data outside Indonesia, Halcyon reviews the provider's terms, security documentation, and available contractual safeguards. A reader can withdraw optional consent without losing access to public editorial pages. Withdrawal affects future collection; a technical record of the earlier choice may remain until the consent record's normal retention period ends.

Cookie questions and rights requests can be sent to Halcyon at Jalan Mawar No. 45, Kebayoran Baru, Jakarta Selatan, Jakarta 12160, Indonesia, or +62 857 2341 9876. We aim to acknowledge a request within 10 business days and respond within 30 days. We may ask for the browser, device, and approximate date so that a technical issue can be reproduced without asking for unnecessary personal information.

5. Cookie categories

Halcyon uses the essential session cookie where needed for secure page delivery and the local browser key named cookieChoice to remember an accept or reject decision for up to 12 months. With consent, limited analytics identifiers may be used to understand aggregate page visits and are configured with a maximum life of 13 months. Preference cookies can remember display choices for up to 12 months. We do not use cookies to infer sensitive health conditions or deliver personalised medical advertising.

The session cookie normally expires when the browser session ends, although hosting infrastructure may use a short-lived security token to maintain a request safely. cookieChoice records the banner choice and does not contain a reader's name. An optional analytics identifier, if enabled after consent, is configured with a reduced data set and a maximum 13-month lifespan; event records are reviewed in aggregate. A preference cookie may remember language, layout, or dismissal settings for up to 12 months.

You can reject optional cookies in the banner or clear them through browser settings. Blocking essential storage may affect small convenience features but should not prevent reading public articles. Third-party services, if enabled for measurement, must publish their own privacy information and may process technical events outside Indonesia under contractual or other lawful safeguards. Essential session storage is limited to the active visit where practical; the cookieChoice preference lasts up to 12 months; optional analytics identifiers last no more than 13 months; and display preferences last up to 12 months. Readers can withdraw optional consent at any time by clearing the browser setting or revisiting the site's cookie control. Halcyon records the policy review date as 5 October 2026 and aims to answer cookie questions within 10 business days. their own policies and are reviewed by Halcyon before activation. The site does not place advertising cookies merely because a reader views an editorial page.

• Safari, Chrome, Firefox, and Edge each provide controls for deleting individual or all site storage.
• Private browsing may remove session information when the window closes.
• Choosing reject again may replace the prior preference record with a new choice.
• Browser settings cannot necessarily remove storage held by a linked third-party domain; that provider's controls may be required.

Our hosting provider may process technical request data, including an IP address and user-agent string, to deliver pages and reduce abusive traffic. If measurement is active, a privacy-conscious analytics provider may process page path, approximate time, referrer category, and device type. We do not intentionally use this information to build a profile of sensitive health interests.

Where a provider processes data outside Indonesia, Halcyon reviews the provider's terms, security documentation, and available contractual safeguards. A reader can withdraw optional consent without losing access to public editorial pages. Withdrawal affects future collection; a technical record of the earlier choice may remain until the consent record's normal retention period ends.

Cookie questions and rights requests can be sent to Halcyon at Jalan Mawar No. 45, Kebayoran Baru, Jakarta Selatan, Jakarta 12160, Indonesia, or +62 857 2341 9876. We aim to acknowledge a request within 10 business days and respond within 30 days. We may ask for the browser, device, and approximate date so that a technical issue can be reproduced without asking for unnecessary personal information.

6. Cookie categories

Halcyon uses the essential session cookie where needed for secure page delivery and the local browser key named cookieChoice to remember an accept or reject decision for up to 12 months. With consent, limited analytics identifiers may be used to understand aggregate page visits and are configured with a maximum life of 13 months. Preference cookies can remember display choices for up to 12 months. We do not use cookies to infer sensitive health conditions or deliver personalised medical advertising.

The session cookie normally expires when the browser session ends, although hosting infrastructure may use a short-lived security token to maintain a request safely. cookieChoice records the banner choice and does not contain a reader's name. An optional analytics identifier, if enabled after consent, is configured with a reduced data set and a maximum 13-month lifespan; event records are reviewed in aggregate. A preference cookie may remember language, layout, or dismissal settings for up to 12 months.

You can reject optional cookies in the banner or clear them through browser settings. Blocking essential storage may affect small convenience features but should not prevent reading public articles. Third-party services, if enabled for measurement, must publish their own privacy information and may process technical events outside Indonesia under contractual or other lawful safeguards. Essential session storage is limited to the active visit where practical; the cookieChoice preference lasts up to 12 months; optional analytics identifiers last no more than 13 months; and display preferences last up to 12 months. Readers can withdraw optional consent at any time by clearing the browser setting or revisiting the site's cookie control. Halcyon records the policy review date as 5 October 2026 and aims to answer cookie questions within 10 business days. their own policies and are reviewed by Halcyon before activation. The site does not place advertising cookies merely because a reader views an editorial page.

• Safari, Chrome, Firefox, and Edge each provide controls for deleting individual or all site storage.
• Private browsing may remove session information when the window closes.
• Choosing reject again may replace the prior preference record with a new choice.
• Browser settings cannot necessarily remove storage held by a linked third-party domain; that provider's controls may be required.

Our hosting provider may process technical request data, including an IP address and user-agent string, to deliver pages and reduce abusive traffic. If measurement is active, a privacy-conscious analytics provider may process page path, approximate time, referrer category, and device type. We do not intentionally use this information to build a profile of sensitive health interests.

Where a provider processes data outside Indonesia, Halcyon reviews the provider's terms, security documentation, and available contractual safeguards. A reader can withdraw optional consent without losing access to public editorial pages. Withdrawal affects future collection; a technical record of the earlier choice may remain until the consent record's normal retention period ends.

Cookie questions and rights requests can be sent to Halcyon at Jalan Mawar No. 45, Kebayoran Baru, Jakarta Selatan, Jakarta 12160, Indonesia, or +62 857 2341 9876. We aim to acknowledge a request within 10 business days and respond within 30 days. We may ask for the browser, device, and approximate date so that a technical issue can be reproduced without asking for unnecessary personal information.

7. Cookie categories

Halcyon uses the essential session cookie where needed for secure page delivery and the local browser key named cookieChoice to remember an accept or reject decision for up to 12 months. With consent, limited analytics identifiers may be used to understand aggregate page visits and are configured with a maximum life of 13 months. Preference cookies can remember display choices for up to 12 months. We do not use cookies to infer sensitive health conditions or deliver personalised medical advertising.

The session cookie normally expires when the browser session ends, although hosting infrastructure may use a short-lived security token to maintain a request safely. cookieChoice records the banner choice and does not contain a reader's name. An optional analytics identifier, if enabled after consent, is configured with a reduced data set and a maximum 13-month lifespan; event records are reviewed in aggregate. A preference cookie may remember language, layout, or dismissal settings for up to 12 months.

You can reject optional cookies in the banner or clear them through browser settings. Blocking essential storage may affect small convenience features but should not prevent reading public articles. Third-party services, if enabled for measurement, must publish their own privacy information and may process technical events outside Indonesia under contractual or other lawful safeguards. Essential session storage is limited to the active visit where practical; the cookieChoice preference lasts up to 12 months; optional analytics identifiers last no more than 13 months; and display preferences last up to 12 months. Readers can withdraw optional consent at any time by clearing the browser setting or revisiting the site's cookie control. Halcyon records the policy review date as 5 October 2026 and aims to answer cookie questions within 10 business days. their own policies and are reviewed by Halcyon before activation. The site does not place advertising cookies merely because a reader views an editorial page.

• Safari, Chrome, Firefox, and Edge each provide controls for deleting individual or all site storage.
• Private browsing may remove session information when the window closes.
• Choosing reject again may replace the prior preference record with a new choice.
• Browser settings cannot necessarily remove storage held by a linked third-party domain; that provider's controls may be required.

Our hosting provider may process technical request data, including an IP address and user-agent string, to deliver pages and reduce abusive traffic. If measurement is active, a privacy-conscious analytics provider may process page path, approximate time, referrer category, and device type. We do not intentionally use this information to build a profile of sensitive health interests.

Where a provider processes data outside Indonesia, Halcyon reviews the provider's terms, security documentation, and available contractual safeguards. A reader can withdraw optional consent without losing access to public editorial pages. Withdrawal affects future collection; a technical record of the earlier choice may remain until the consent record's normal retention period ends.

Cookie questions and rights requests can be sent to Halcyon at Jalan Mawar No. 45, Kebayoran Baru, Jakarta Selatan, Jakarta 12160, Indonesia, or +62 857 2341 9876. We aim to acknowledge a request within 10 business days and respond within 30 days. We may ask for the browser, device, and approximate date so that a technical issue can be reproduced without asking for unnecessary personal information.

8. Cookie categories

Halcyon uses the essential session cookie where needed for secure page delivery and the local browser key named cookieChoice to remember an accept or reject decision for up to 12 months. With consent, limited analytics identifiers may be used to understand aggregate page visits and are configured with a maximum life of 13 months. Preference cookies can remember display choices for up to 12 months. We do not use cookies to infer sensitive health conditions or deliver personalised medical advertising.

The session cookie normally expires when the browser session ends, although hosting infrastructure may use a short-lived security token to maintain a request safely. cookieChoice records the banner choice and does not contain a reader's name. An optional analytics identifier, if enabled after consent, is configured with a reduced data set and a maximum 13-month lifespan; event records are reviewed in aggregate. A preference cookie may remember language, layout, or dismissal settings for up to 12 months.

You can reject optional cookies in the banner or clear them through browser settings. Blocking essential storage may affect small convenience features but should not prevent reading public articles. Third-party services, if enabled for measurement, must publish their own privacy information and may process technical events outside Indonesia under contractual or other lawful safeguards. Essential session storage is limited to the active visit where practical; the cookieChoice preference lasts up to 12 months; optional analytics identifiers last no more than 13 months; and display preferences last up to 12 months. Readers can withdraw optional consent at any time by clearing the browser setting or revisiting the site's cookie control. Halcyon records the policy review date as 5 October 2026 and aims to answer cookie questions within 10 business days. their own policies and are reviewed by Halcyon before activation. The site does not place advertising cookies merely because a reader views an editorial page.

• Safari, Chrome, Firefox, and Edge each provide controls for deleting individual or all site storage.
• Private browsing may remove session information when the window closes.
• Choosing reject again may replace the prior preference record with a new choice.
• Browser settings cannot necessarily remove storage held by a linked third-party domain; that provider's controls may be required.

Our hosting provider may process technical request data, including an IP address and user-agent string, to deliver pages and reduce abusive traffic. If measurement is active, a privacy-conscious analytics provider may process page path, approximate time, referrer category, and device type. We do not intentionally use this information to build a profile of sensitive health interests.

Where a provider processes data outside Indonesia, Halcyon reviews the provider's terms, security documentation, and available contractual safeguards. A reader can withdraw optional consent without losing access to public editorial pages. Withdrawal affects future collection; a technical record of the earlier choice may remain until the consent record's normal retention period ends.

Cookie questions and rights requests can be sent to Halcyon at Jalan Mawar No. 45, Kebayoran Baru, Jakarta Selatan, Jakarta 12160, Indonesia, or +62 857 2341 9876. We aim to acknowledge a request within 10 business days and respond within 30 days. We may ask for the browser, device, and approximate date so that a technical issue can be reproduced without asking for unnecessary personal information.

9. Cookie categories

Halcyon uses the essential session cookie where needed for secure page delivery and the local browser key named cookieChoice to remember an accept or reject decision for up to 12 months. With consent, limited analytics identifiers may be used to understand aggregate page visits and are configured with a maximum life of 13 months. Preference cookies can remember display choices for up to 12 months. We do not use cookies to infer sensitive health conditions or deliver personalised medical advertising.

The session cookie normally expires when the browser session ends, although hosting infrastructure may use a short-lived security token to maintain a request safely. cookieChoice records the banner choice and does not contain a reader's name. An optional analytics identifier, if enabled after consent, is configured with a reduced data set and a maximum 13-month lifespan; event records are reviewed in aggregate. A preference cookie may remember language, layout, or dismissal settings for up to 12 months.

You can reject optional cookies in the banner or clear them through browser settings. Blocking essential storage may affect small convenience features but should not prevent reading public articles. Third-party services, if enabled for measurement, must publish their own privacy information and may process technical events outside Indonesia under contractual or other lawful safeguards. Essential session storage is limited to the active visit where practical; the cookieChoice preference lasts up to 12 months; optional analytics identifiers last no more than 13 months; and display preferences last up to 12 months. Readers can withdraw optional consent at any time by clearing the browser setting or revisiting the site's cookie control. Halcyon records the policy review date as 5 October 2026 and aims to answer cookie questions within 10 business days. their own policies and are reviewed by Halcyon before activation. The site does not place advertising cookies merely because a reader views an editorial page.

• Safari, Chrome, Firefox, and Edge each provide controls for deleting individual or all site storage.
• Private browsing may remove session information when the window closes.
• Choosing reject again may replace the prior preference record with a new choice.
• Browser settings cannot necessarily remove storage held by a linked third-party domain; that provider's controls may be required.

Our hosting provider may process technical request data, including an IP address and user-agent string, to deliver pages and reduce abusive traffic. If measurement is active, a privacy-conscious analytics provider may process page path, approximate time, referrer category, and device type. We do not intentionally use this information to build a profile of sensitive health interests.

Where a provider processes data outside Indonesia, Halcyon reviews the provider's terms, security documentation, and available contractual safeguards. A reader can withdraw optional consent without losing access to public editorial pages. Withdrawal affects future collection; a technical record of the earlier choice may remain until the consent record's normal retention period ends.

Cookie questions and rights requests can be sent to Halcyon at Jalan Mawar No. 45, Kebayoran Baru, Jakarta Selatan, Jakarta 12160, Indonesia, or +62 857 2341 9876. We aim to acknowledge a request within 10 business days and respond within 30 days. We may ask for the browser, device, and approximate date so that a technical issue can be reproduced without asking for unnecessary personal information.

10. Cookie categories

Halcyon uses the essential session cookie where needed for secure page delivery and the local browser key named cookieChoice to remember an accept or reject decision for up to 12 months. With consent, limited analytics identifiers may be used to understand aggregate page visits and are configured with a maximum life of 13 months. Preference cookies can remember display choices for up to 12 months. We do not use cookies to infer sensitive health conditions or deliver personalised medical advertising.

The session cookie normally expires when the browser session ends, although hosting infrastructure may use a short-lived security token to maintain a request safely. cookieChoice records the banner choice and does not contain a reader's name. An optional analytics identifier, if enabled after consent, is configured with a reduced data set and a maximum 13-month lifespan; event records are reviewed in aggregate. A preference cookie may remember language, layout, or dismissal settings for up to 12 months.

You can reject optional cookies in the banner or clear them through browser settings. Blocking essential storage may affect small convenience features but should not prevent reading public articles. Third-party services, if enabled for measurement, must publish their own privacy information and may process technical events outside Indonesia under contractual or other lawful safeguards. Essential session storage is limited to the active visit where practical; the cookieChoice preference lasts up to 12 months; optional analytics identifiers last no more than 13 months; and display preferences last up to 12 months. Readers can withdraw optional consent at any time by clearing the browser setting or revisiting the site's cookie control. Halcyon records the policy review date as 5 October 2026 and aims to answer cookie questions within 10 business days. their own policies and are reviewed by Halcyon before activation. The site does not place advertising cookies merely because a reader views an editorial page.

• Safari, Chrome, Firefox, and Edge each provide controls for deleting individual or all site storage.
• Private browsing may remove session information when the window closes.
• Choosing reject again may replace the prior preference record with a new choice.
• Browser settings cannot necessarily remove storage held by a linked third-party domain; that provider's controls may be required.

Our hosting provider may process technical request data, including an IP address and user-agent string, to deliver pages and reduce abusive traffic. If measurement is active, a privacy-conscious analytics provider may process page path, approximate time, referrer category, and device type. We do not intentionally use this information to build a profile of sensitive health interests.

Where a provider processes data outside Indonesia, Halcyon reviews the provider's terms, security documentation, and available contractual safeguards. A reader can withdraw optional consent without losing access to public editorial pages. Withdrawal affects future collection; a technical record of the earlier choice may remain until the consent record's normal retention period ends.

Cookie questions and rights requests can be sent to Halcyon at Jalan Mawar No. 45, Kebayoran Baru, Jakarta Selatan, Jakarta 12160, Indonesia, or +62 857 2341 9876. We aim to acknowledge a request within 10 business days and respond within 30 days. We may ask for the browser, device, and approximate date so that a technical issue can be reproduced without asking for unnecessary personal information.

Contact and changes

Questions about cookies can be sent to our Jakarta address or +62 857 2341 9876. This page was last changed on 5 October 2026.

The 5 October 2026 revision adds names and lifespans for the principal storage categories and explains how consent withdrawal operates. Material future changes will be dated here. The active banner choice remains valid for up to 12 months unless a reader changes it earlier or the site changes the relevant storage purpose.