Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Slack

1 breachTechslack.com

Company profile
Slack's central user database breached, exposing usernames and password hashesHacking exposed credentials and tokens, emails and passwords.HackingTechUSUnverifiedMar 27, 2015
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Every breach here links to its sources and official notices. Across Glyph: lawsuits, incidents and outages, the company profile.

Added2026-09-25
Slack, 2015-03-27