Zscaler

Zscaler is investigating an issue that may affect connectivity when accessing a subset of destinations. Based on our current assessment, impacted customers may experience application access failures, connection timeouts, and website reachability issues. The impact is intermittent and may vary depending on the service path used to process individual user sessions, including traffic traversing Public Service Edge and Private Service Edge infrastructure.Our teams are actively investigating to determine the cause and fully assess the scope of impact. The customer impact described above reflects our current understanding and may be updated as the investigation progresses.We will provide additional updates as more information becomes available. For detailed updates, please check the Service Status section in your Zscaler customer support portal (CSP). Status changes and additional details will be posted there as they become available.Latest Update - Tue, 16 Jun 2026 19:12:28 UTCZscaler is continuing remediation activities across affected service infrastructure. Restart actions on impacted nodes have been completed in APAC, Oceania, and AMER. Additional restart activity for the remaining affected EMEA infrastructure is planned during the standard 8:00 PM UTC maintenance window. This remediation has been effective in restoring normal traffic handling on remediated instances, and we will continue to provide updates as execution progresses.Update - Tue, 16 Jun 2026 00:49:59 UTCZscaler have identified potential mitigation actions and are performing additional verification and validation activities before broader implementation. Based on our continued assessment, we have confirmed customer impact. Impacted customers may experience intermittent application access failures, connection timeouts, and website reachability issues when accessing a subset of destinations. The impact remains intermittent and may vary across users and sessions. Our teams continue to investigate the underlying cause and evaluate the overall scope of impact. We will continue to provide updates as more information becomes available.Update - Tue, 16 Jun 2026 08:47:24 UTCZscaler has identified the underlying issue and is actively applying remediation across affected infrastructure. We have validated an effective mitigation and are continuing rolling restarts of affected service nodes. This action has successfully restored service on remediated instances, and customer impact is decreasing as additional restart waves proceed.Update - Tue, 16 Jun 2026 19:12:28 UTCZscaler is continuing remediation activities across affected service infrastructure. Restart actions on impacted nodes have been completed in APAC, Oceania, and AMER. Additional restart activity for the remaining affected EMEA infrastructure is planned during the standard 8:00 PM UTC maintenance window. This remediation has been effective in restoring normal traffic handling on remediated instances, and we will continue to provide updates as execution progresses.