What the ev_sync_bk cookie does
This cookie stores The date when synchronization is performed, in the format yyyymmdd. A third-party, ad exchange-specific cookie that syncs the Adobe Advertising surfer ID with the partner ad exchange. It's created for new surfers and sends a synchronization request when it's expired.
Who sets it
Consent category: marketing
Marketing cookies follow visitors across sites to build advertising profiles and to measure campaigns. They always require prior consent, and a consent banner has to block them until the visitor agrees.
| Name | ev_sync_bk |
|---|---|
| Category | Marketing |
| Lifetime | 1 year |
| Set by | Adobe |
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From the Conzent cookie database, last updated 2026-09-27. Descriptions come from vendor documentation, cookie policies and our own scans; write to support@getconzent.com to correct one.