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WorkOS Says a Researcher’s Runaway AI Pentest Agent Copied Customer Sales Records

Why Is Nvidia Investigating Its Own CEO, and Can the Board Remove Him?

The Cyber Express Weekly Roundup: FBI Blames North Korea for $6B Binance Hack, Hackers Turn Up the Heat on Europe’s Fridges and More

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The 2026 Infostealer Intelligence Shortlist: Top 10 Vendors Security Teams Should Know

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Tag: Optum

Change Healthcare

BlackCat Ransomware Gang Behind Change Healthcare Cyberattack, Optum Confirms

by Samiksha Jain

Change Healthcare, a major entity in the US healthcare sector, has confirmed being targeted by hacker collective ALPHV/Blackcat. "Change Healthcare ...

Cyberattack on Change Healthcare

Major Cyberattack Disrupts US Healthcare Giant Change Healthcare

by Samiksha Jain

February 23, 2024

Change Healthcare, a leading U.S. healthcare technology provider has confirmed a cyberattack on its systems, causing widespread disruptions to healthcare ...

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