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Outage in Slack

Users unable to access Slack using various browsers

Resolved Minor
February 18, 2026 - Started 3 days ago - Lasted 1 day
Official incident page

Incident Report

We're aware of an issue where users using specific antivirus software can't access Slack while using a Chrome browser. As a result, users may encounter connection errors preventing them from logging in or accessing their Slack workspaces. We're investigating the cause of this connectivity issue. We'll provide an update as soon as additional information becomes available.

Components affected
Slack Connectivity

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Latest Updates ( sorted recent to last )
1 day ago - at 02/19/2026 07:57PM

We've identified that users can add their Slack workspace URLs to the trusted URLs in their antivirus application as a viable workaround.
Thanks for sticking with us as we continue to investigate. We'll provide an update as we learn more.

2 days ago - at 02/19/2026 01:24AM

 We're continuing to investigate this issue. We'll keep you updated as we learn more. 

3 days ago - at 02/18/2026 12:26PM

We've identified that the issue isn't unique to Chrome, and that the conflict with antivirus software can occur across multiple browser versions. Thanks for sticking with us as we continue to investigate. 

3 days ago - at 02/18/2026 10:44AM

We're aware of an issue where users using specific antivirus software can't access Slack while using a Chrome browser. As a result, users may encounter connection errors preventing them from logging in or accessing their Slack workspaces. We're investigating the cause of this connectivity issue. We'll provide an update as soon as additional information becomes available.

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