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Help Net Security

IRISSCON 2026 puts preparedness for cyberattacks and hybrid threats in focus

Ireland risks being dangerously unprepared for increasingly sophisticated cyberattacks and hybrid threats unless the Government acts urgently to strengthen the country’s national security capabilities, according to Brian Honan, head of the Irish Reporting and Information Security Service (IRISSCERT) and founder of BH Consulting. The warning comes ahead of IRISSCON 2026, IRISSCERT’s annual cybersecurity conference, wh…

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Help Net Security

Claude Mythos 5.2 arrives with stronger bug hunting and less sandbox-breaking behavior

Anthropic released Claude Fable 5.2 and Claude Mythos 5.2. The two versions share an underlying model, with stricter safeguards for cybersecurity and biology tasks in the broadly available Fable. Fable blocks fewer requests Fable’s safety classifiers block high-risk cybersecurity tasks such as penetration testing and exploit generation, as well as most biology research tasks. When Fable blocks a request in either cat…

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Windows settings backup is on by default starting with Windows 11 26H2

Starting with Windows 11, version 26H2, Windows settings backup will switch on by default on eligible devices. The company renamed the feature, which launched in August 2025 as Windows Backup for Organizations, and moved the management of roaming settings into the same policy tools. What gets saved The feature backs up supported Windows settings and the list of installed Microsoft Store apps. When restore is availabl…

سیستم‌عامل ذخیره‌سازی و پشتیبان‌گیری
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Turla’s Cereal malware turns victims’ Exchange servers into spy hubs

Russia-aligned group Turla planted a modular .NET toolset on Microsoft Exchange servers at two government organizations, one in Kazakhstan and one in Romania, and used it to copy selected email straight out of the mail flow. ESET researchers found the malware and named it Cereal. The toolset doesn’t need an attacker-owned server. Operators send commands to the victim’s internet-facing Exchange server, dressed up as o…

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What a security leader should tell the CEO about leaked credentials

In this Help Net Security interview, Eric Fourrier, CEO of GitGuardian, talks about leaked credentials and personal liability for security leaders and boards. He explains how fear of blame pushes mistakes out of sight, and what a security leader should be ready to tell a CEO about exposed keys. He also covers better ways to measure security progress beyond alert counts, how to handle disclosure deadlines, and why AI…

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