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TechCrunch May 4, 2026 at 22:21 Startups Rising Hot

US government warns of severe CopyFail bug affecting major versions of Linux

U.S. cybersecurity agency CISA says the CopyFail bug is being actively used in hacking campaigns, and poses a major risk to servers and data centers that rely on Linux.

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May 4, 2026 at 22:21 TechCrunch

US government warns of severe CopyFail bug affecting major versions of Linux

U.S. cybersecurity agency CISA says the CopyFail bug is being actively used in hacking campaigns, and poses a major risk to servers and d...

May 1, 2026 at 15:32 Ars Technica

GPT-5.5 matches heavily hyped Mythos Preview in new cybersecurity tests

New results suggest Mythos' cyber threat isn't "a breakthrough specific to one model."

Apr 30, 2026 at 20:20 Ars Technica

The most severe Linux threat to surface in years catches the world flat-footed

CopyFail threatens multi-tenant servers, CI/CD work flows, Kubernetes containers, and more.

Apr 30, 2026 at 19:27 TechCrunch

After dissing Anthropic for limiting Mythos, OpenAI restricts access to Cyber, too

OpenAI will begin rolling out its cybersecurity testing tool, GPT-5.5 Cyber only "to critical cyber defenders" at first.

Apr 29, 2026 at 13:23 TechCrunch

Sri Lanka discloses another missing payment, days after hackers stole $2.5M from its finance ministry

The government of Sri Lanka has lost more than $3 million in two recent, separate cybersecurity incidents as the country continues to rec...

Apr 29, 2026 at 04:00 OpenAI News

Cybersecurity in the Intelligence Age

OpenAI outlines a five-part action plan for strengthening cybersecurity in the Intelligence Age, focused on democratizing AI-powered cybe...

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