GPT-5.5 Matches Claude Mythos on Offensive Cyber

Australian Cyber Security Institution — Tue, 05 May 2026 16:51:46 +0000

GPT-5.5 Matches Claude Mythos on Offensive Cyber A 32-step corporate network attack simulation. Reconnaissance, credential theft, lateral movement across Active

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DigiCert Breach: Screensaver File, Stolen Certs

Australian Cyber Security Institution — Tue, 05 May 2026 16:43:39 +0000

The DigiCert Breach: How a Screensaver File Unlocked the Internet’s Trust Infrastructure When you install software and Windows tells you

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Copy Fail – Script That Roots Every Major Linux Distribution

Australian Cyber Security Institution — Sat, 02 May 2026 16:35:08 +0000

Copy Fail (CVE-2026-31431): The 732-Byte Script That Roots Every Major Linux Distribution A single 732-byte Python script. No race conditions.

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CVE-2026-41940: Critical cPanel Auth Bypass

Australian Cyber Security Institution — Wed, 29 Apr 2026 16:25:11 +0000

If you run a website, manage web hosting, or work in IT, you need to read this. A critical vulnerability

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Why Australian Banks Are Racing to Catch Up on Cyber Risk

Australian Cyber Security Institution — Wed, 29 Apr 2026 00:41:50 +0000

There’s a quiet anxiety spreading through the executive floors of Australia’s biggest banks. It’s not about interest rates or a

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The AI That’s Too Dangerous to Release: What Australians Need to Know About Claude Mythos

Australian Cyber Security Institution — Thu, 23 Apr 2026 11:30:24 +0000

Anthropic’s most powerful model ever can find security holes in software that survived decades of human review — and most

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Cyber Security Not Optional: Australian SMBs Legal Mandate

Australian Cyber Security Institution — Sat, 14 Mar 2026 02:09:30 +0000

For all Australian small and medium‑sized businesses (SMBs), cyber security is no longer just an IT concern, an ideal or

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Essential Eight Maturity Model Explained

Australian Cyber Security Institution — Fri, 13 Mar 2026 02:09:32 +0000

The ASD Essential Eight Maturity Model is the framework that exists behind Australia’s Essential Eight cyber security strategies. Developed and

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Essential Eight – ASD Essential 8 Cyber Security Explained

Australian Cyber Security Institution — Thu, 12 Mar 2026 23:58:34 +0000

The ASD Essential Eight: Australia’s Baseline for Cyber Security Resilience Cyber attacks are not limited to large enterprises or government

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INC Ransom Australia Double‑extortion: What SMBs need to do

Australian Cyber Security Institution — Fri, 30 Jan 2026 00:00:24 +0000

In early March 2026, the Australian Cyber Security Centre (ACSC), in collaboration with cyber authorities in New Zealand and Tonga,

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