2016 Zendesk — intrusion into services tied to legacy Zopim Chat analytics; public updates 2019
Data compromised
Names, emails, and chat/support analytics metadata described in Zendesk/blog and press coverage
Technical writeup
Zendesk publicly confirmed an intrusion affecting data associated with a legacy analytics service from its Zopim Chat acquisition; press summarized exposure of support-related identifiers and expanded timelines as Zendesk published additional customer guidance.
Root cause
Unauthorized access to legacy analytics/support-adjacent service infrastructure (per Zendesk disclosure narrative summarized by major outlets)