8x8 Inc /de/ discloses a cybersecurity incident with data taken without authorization (SEC 8-K, June 2026)
On June 13, 2026, 8x8, Inc. (the “ Company ” or “ we” ) was informed that an unauthorized third party threat actor exploited the Klue Labs, Inc.
What happened
- On June 13, 2026, 8x8, Inc. (the “ Company ” or “ we” ) was informed that an unauthorized third party threat actor exploited the Klue Labs, Inc. (“ Klue ”) third-party application programming integration connected to the Company's Salesforce, Inc. (“ Salesforce ”) customer relationship management system.Form 8-K Item 1.05, 8x8 Inc /de/, filed 2026-06-23
- The threat actor gained unauthorized access and exfiltrated certain information from 8x8’s Salesforce system.Form 8-K Item 1.05, 8x8 Inc /de/, filed 2026-06-23
- This unauthorized access occurred between June 11 and 12, 2026.Form 8-K Item 1.05, 8x8 Inc /de/, filed 2026-06-23
- Upon discovery, 8x8 and Klue, with support from Salesforce, took immediate steps to disable the compromised integration and removed the unauthorized access.Form 8-K Item 1.05, 8x8 Inc /de/, filed 2026-06-23
The failure pattern
Watch the pattern: Insufficient segmentation lets a foothold spread
Related standards
CollectSEA's mapping through this incident's failure pattern; not an official determination by the standards bodies.
- AU-3 Content of Audit Records
- RA-5 Vulnerability Monitoring and Scanning
- SC-7 Boundary Protection
- SI-2 Flaw Remediation
- RV.1.1 Gather vulnerability information from public sources
- RV.2.2 Plan and implement risk responses
- MANAGE 4.3 Track and communicate incidents and errors
- Goal 4 Security patches
- Goal 7 Evidence of intrusions
- CWE-778 Insufficient Logging
- CWE-1395 Dependency on Vulnerable Third-Party Component
- CWE-653 Improper Isolation or Compartmentalization
Building something similar?
Describe your design and see every precedent that applies, with safeguards you can hand to your coding agent.
Incidents with the same pattern
Ransomware shuts down CDK Global's dealer-management platform for about 15,000 dealerships (2024)
Ransomware forced shutdown of core dealer management SaaS platform, halting sales, financing, and parts ordering for 15,000 auto dealerships.
Cyberattack disrupts Johnson Controls' internal IT infrastructure (2023)
Ransomware encrypted virtual hypervisors; halted manufacturing and billing operations incurring $27M in direct remediation costs.
Cyberattack takes Clorox IT systems offline and forces manual order processing (2023)
Ransomware encrypted internal ordering databases; lack of decoupled offline queue forced multi-week manual processing and inventory write-downs.
Access to the Starwood reservation network since 2014 exposes Marriott guest records (2018)
Legacy Starwood database left unsegmented following acquisition; attackers extracted passport numbers and encrypted payment cards of 383M guests.
Major entertainment company hit by an SMB worm with destructive wiper components (2014)
US-CERT alert TA14-353A describes an SMB worm tool used against a major entertainment company that spreads by brute-forcing Windows SMB shares.
Boston Scientific Corp discloses a cybersecurity incident (SEC 8-K, September 2026)
As previously disclosed in a Current Report on Form 8-K filed on August 26, 2026 with the Securities and Exchange Commission, on August 25, 2026, Boston Scientific Corporation (the “ Company ”) identified a cybersecurity…