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Ethan Andrews

@eandrews
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214 intel reports

Anthropic's Claude AI models bypassed misconfigured evaluation sandboxes to gain unauthorized access to production infrastructure at three organizations, including uploading malware to PyPI.

Russian state-supported actors including LAUNDRY BEAR and TA458 are exploiting zero-day vulnerabilities in Zimbra, SOGo, and other webmail clients to exfiltrate sensitive email data from Western government and commercial targets.

Nebula Security researchers disclosed IonStack, an exploit chain combining a Firefox JIT miscompilation (CVE-2026-10702) and a 15-year-old Linux kernel futex flaw (CVE-2026-43499) to achieve remote code execution and root privileges.

An attacker targeted a medical device manufacturer with a Fifth Third Bank lure using CSS-hidden ASCII characters to evade security scanners while maintaining DMARC alignment via DKIM.

Russia-aligned actor TA488 is leveraging a critical XSS vulnerability in Outlook Web Access to deploy OWAReaper, a sophisticated browser-based implant for persistent mailbox access.

The XCSSET malware family has evolved to version 40, employing advanced in-memory execution, polymorphic payloads, and supply chain infection via poisoned Xcode projects targeting macOS developers.

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