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Windows 11 : comment activer le Contrôle intelligent des applications ?

Windows 11 intègre de nombreux mécanismes de sécurité destinés à protéger votre ordinateur contre les logiciels malveillants. Parmi eux, il y a le Contrôle intelligent des applications (Smart App Control, ou SAC), une fonctionnalité qui agit de manière proactive en bloquant l’exécution des applications non fiables ou potentiellement malveillantes avant même qu’elles ne puissent causer … Lire la suite

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Exposed Training Open the Door for Crypto-Mining in Fortune 500 Cloud Environments

Intentionally vulnerable training applications are widely used for security education, internal testing, and product demonstrations. Tools such as OWASP Juice Shop, DVWA, Hackazon, and bWAPP are designed to be insecure by default, making them useful for learning how common attack techniques work in controlled environments. The issue is not the applications themselves, but how they are often

Update expiring Windows Secure Boot certificates now

The certificate update has not started
Microsoft's original Secure Boot certificates, issued in 2011, begin expiring in late June 2026, potentially affecting millions of Windows devices worldwide. While your device will continue to boot normally after expiration, it will enter a degraded security state where new boot-level protections cannot be applied. To maintain full protection against emerging threats, ensure your system receives the latest 2023 certificates before the deadline.

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Windows 11 KB5074110 and KB5074111 updates enhance setup and recovery

Windows Recovery Environment (WinRE)
Microsoft released two dynamic updates for Windows 11 on January 29, 2026, targeting the setup and recovery infrastructure. KB5074110 is particularly important because older Secure Boot certificates will begin expiring in June 2026. KB5074110 and KB5074111 also bring improvements to feature update installations and recovery tools for Windows 11 versions 24H2 and 25H2. These updates ensure smoother upgrades and more reliable system recovery without introducing new user-facing features.

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Microsoft Patches 59 Vulnerabilities Including Six Actively Exploited Zero-Days

Microsoft on Tuesday released security updates to address a set of 59 flaws across its software, including six vulnerabilities that it said have been exploited in the wild. Of the 59 flaws, five are rated Critical, 52 are rated Important, and two are rated Moderate in severity. Twenty-five of the patched vulnerabilities have been classified as privilege escalation, followed by remote code

SSHStalker Botnet Uses IRC C2 to Control Linux Systems via Legacy Kernel Exploits

Cybersecurity researchers have disclosed details of a new botnet operation called SSHStalker that relies on the Internet Relay Chat (IRC) communication protocol for command-and-control (C2) purposes. "The toolset blends stealth helpers with legacy-era Linux exploitation: Alongside log cleaners (utmp/wtmp/lastlog tampering) and rootkit-class artifacts, the actor keeps a large back-catalog of

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