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7 derniers jours

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> TODAY'S SUMMARY (3 articles)

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// AI-powered summary generated at 04:00

> How Dangerous Is Anthropic’s Mythos AI?
Last month, Anthropic made a remarkable announcement about its new model, Claude Mythos Preview: it was so good at finding security vulnerabilities in software that the company would not release it to the general public. Instead, it would only be available to a select group of companies to scan and...
> Why Malwarebytes blocks some Yahoo Mail redirects
Some Yahoo Mail users may see repeated Malwarebytes alerts caused by background connections to suspicious third-party domains. Here’s why.
> F5 Patches Over 50 Vulnerabilities
The company’s latest quarterly advisory describes high and medium-severity issues in BIG-IP, BIG-IQ, and NGINX. The post F5 Patches Over 50 Vulnerabilities appeared first on SecurityWeek.
> Microsoft’s WinUI agent plugin trims token use by over 70% during development
Microsoft published a plugin on May 13 that lets GitHub Copilot CLI and Claude Code drive the full WinUI 3 development cycle, from project scaffolding through signed MSIX packaging. The WinUI agent plugin ships one agent, eight skills, and several supporting tools targeting the loop developers run d...
> Microsoft turns Copilot Studio into an AI agent control center
The Microsoft Copilot Studio April 2026 updates improve visibility and governance for admins and expand workflow capabilities for managing agents. Copilot surfaces agent status in the authoring experience, giving admins insight into each agent’s security and protection posture. Customers can identif...
> Dell confirms its SupportAssist software causes Windows BSOD crashes
Dell confirmed that its SupportAssist software is causing blue-screen crashes on some Windows systems following a wave of user reports about random reboots affecting Dell devices since Friday. [...]
> Dirty Frag gets a sequel as Fragnesia hands Linux attackers root-level access
Fresh kernel flaw comes with public exploit code and continues ugly run of highly reliable privilege escalation bugs tied to memory and page-cache handling
> Your iPhone Gets Stolen. Then the Hacking Begins
A bustling underground ecosystem is providing criminals with the tools to unlock iPhones—and wage phishing attacks against their contacts to access bank accounts and more.
> Speed Up Your Video Redaction With Amped Replay
Join Emi Polito, Forensic Analyst at Amped Software, for a look at Assisted Redaction in Amped Replay — a new tool that automatically detects people, vehicles, and license plates to streamline complex redaction tasks.
> Hackers Targeted PraisonAI Vulnerability Hours After Disclosure
The first exploitation attempts were observed less than four hours after the authentication bypass was publicly disclosed. The post Hackers Targeted PraisonAI Vulnerability Hours After Disclosure appeared first on SecurityWeek.
> AI cyber capability is speeding past earlier projections
AI cyber capability is improving faster than expected, with newer models surpassing earlier projections, according to the UK government’s AI Security Institute (AISI). AISI measures AI cyber capability using “time horizon benchmarks”, which estimate how long AI systems can complete cybersecurity tas...
> When ransomware gets physical: cybercriminals turn to threats of violence
Pay up, or we'll pay someone to pay you a visit. Cybercrime gangs are increasingly turning to real-world threats - and even hiring local muscle to deliver the message. Read more in my article on the Hot for Security blog.
> Windows Zero-Days Expose BitLocker Bypasses And CTFMON Privilege Escalation
An anonymous cybersecurity researcher who disclosed three Microsoft Defender vulnerabilities has returned with two more zero-days involving a BitLocker bypass and a privilege escalation impacting Windows Collaborative Translation Framework (CTFMON). The security defects have been codenamed YellowKey...
> Most Organizations Now Use AI Agents for Sensitive Security Tasks
Semperis study finds 74% of organizations believe AI will increase attacks on identity infrastructure
> What CISOs need to land a board role
Cybersecurity leaders often have complex relationships with their boards. Many boards lack cyber expertise, and CISOs can encounter roadblocks as a result when it comes to earning board approval. Other security leaders may not have a direct line to their board, or they may be...
> ICO Publishes Five-Step Plan to Counter Emerging AI-Powered Attacks
The Information Commissioner’s Office has released new guidance on how to mitigate the risk of AI-powered attacks
> Deepfake sextortion forces schools to remove student photos from websites
Experts are urging schools to take down identifiable photos of students, after AI deepfakes have led to sextortion cases at UK schools.
> US charges suspected Dream Market admin arrested in Germany
The alleged main administrator of Dream Market Incognito Market, one of the largest dark web marketplaces before its shutdown, has been indicted in the United States on money laundering charges. [...]
> FrostyNeighbor: Fresh mischief and digital shenanigans
ESET researchers uncovered new activities attributed to FrostyNeighbor, updating its compromise chain to support the group’s continual cyberespionage operations
> Debian DSA-6266-1 nghttp2 Critical DoS Exploit CVE-2026-27135
It was discovered that nghttp2, an implementation of the HTTP/2 protocol, could be crashed via an assertion failure. A remote attacker could exploit this to cause a DoS attack by sending a malformed frame immediately after triggering the termination path. For the oldstable distribution (bookworm), t...