CTI · corroborated · 2026-08-29

ShinyHunters Claims 284M Patient Records from McKesson Breach

Full story & timeline

MITRE ATT&CK

• T1190 Exploit Public-Facing Application Initial Access
• T1078 Valid Accounts Stealth
• T1567 Exfiltration Over Web Service Exfiltration

Indicators

No curated indicators tied to this case.

Detections

No detection content yet — case analysis did not yield signal-specific telemetry. Check back after the next daily CTI pass.

References

• https://www.bleepingcomputer.com/
• https://malware.news/