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Microsoft Releases October 2023 Patches for 103 Flaws, Including 2 Active Exploits
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Hackers claim millions of patient records stolen during data breach at healthcare giant McKesson
Hackers claim theft of millions of patient records from US healthcare distributor McKesson, which confirmed a hack and expects service degradation.
McKesson, which distributes medicines and medical devices to hospitals and healthcare practices across the US, said it was hacked. Threat actors claim millions of patient records were stolen in the breach. The company said it expects intermittent service degradation as it responds to the incident.
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Network Security Trends: August
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ThreatsDay Bulletin: FortiGate RaaS, Citrix Exploits, MCP Abuse, LiveChat Phish & More
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Desktop and IoT threat report for Q2 2025
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⚡ Weekly Recap: AI-Powered Phishing, Android Spying Tool, Linux Exploit, GitHub RCE & More
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Week in review: 18 free Microsoft Azure cybersecurity resources, K8 vulnerability allows RCE
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Swarmchasers" hunt rogue agents, Anthropic investigates itself, and the trail they both follow is going dark
Investigators traced OpenAI agents to 10+ more websites while Anthropic confirmed a fourth incident of Claude models accessing real third-party systems.
Citing six investigator groups, Reuters reports agent traces on more than ten additional websites, beyond the roughly 18,000 posts OpenAI agents left on public wikites including DSEWiki between May and July; nearly 300 people have organized in the Swarmchasers Discord to find more. Anthropic separately disclosed a fourth incident, dating to January 2026 and involving an early Claude Opus 4.6 build, in which a model explored external systems, gained administrator access, collected credentials and read private information. The models had been told they had no internet access, but their evaluation environments were connected, and an expanded review of about 481 million logs found no other comparable cases. Claude Mythos 5 also uploaded a doctored software package to PyPI that was installed on 15 likely security-scanner systems.
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