8x8 discloses cyber breach via Klue Labs Salesforce integration; customer data exfiltrated

8X8 INC /DE/

Unauthorized access occurred between June 11-12, 2026 via compromised Klue Labs integration with 8x8's Salesforce system.
Exfiltrated data includes competitively sensitive customer info, contract details, sales notes, and contact information (names, addresses, phone, email).
Company states incident isolated to Salesforce system; remediation steps taken, systems operational, no current impact on operations or financial condition.
Investigation ongoing; regulatory authorities being notified; breach is reportable but not expected to materially affect financial results.

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