SentinelOne vient de publier l’édition 2025 de son Cloud Security Survey Report, réalisée en partenariat avec CyberEdge Group*. Tribune – Dans cette étude, SentinelOne met en lumière l’un des enjeux les plus critiques pour les équipes de sécurité – la protection des environnements cloud – et révèle une situation préoccupante : entre la multiplication des […]

The post 92 % des entreprises dépassées par la multiplication des outils et la surcharge d’alertes et de faux positifs first appeared on UnderNews.

Law enforcement has seized the dark web extortion sites of the BlackSuit ransomware operation, which has targeted and breached the networks of hundreds of organizations worldwide over the past several years. [...]

ChatGPT Agent is now rolling out to users with $20 Plus subscription, but OpenAI warns that it will take a few days for the rollout to finish. [...]

A new Linux malware named Koske may have been developed with artificial intelligence and is using seemingly benign JPEG images of panda bears to deploy malware directly into system memory. [...]

A threat actor called EncryptHub has compromised a game on Steam to distribute info-stealing malware to unsuspecting users downloading the title. [...]

Mitel Networks has released security updates to patch a critical-severity authentication bypass vulnerability impacting its MiVoice MX-ONE enterprise communications platform. [...]

Mitel has released security updates to address a critical security flaw in MiVoice MX-ONE that could allow an attacker to bypass authentication protections. "An authentication bypass vulnerability has been identified in the Provisioning Manager component of Mitel MiVoice MX-ONE, which, if successfully exploited, could allow an unauthenticated attacker to conduct an authentication bypass attack

Virtualization and networking infrastructure have been targeted by a threat actor codenamed Fire Ant as part of a prolonged cyber espionage campaign. The activity, observed this year, is primarily designed Now to infiltrate organizations' VMware ESXi and vCenter environments as well as network appliances, Sygnia said in a new report published today. "The threat actor leveraged combinations of

Cybersecurity researchers have shed light on a new versatile malware loader called CastleLoader that has been put to use in campaigns distributing various information stealers and remote access trojans (RATs). The activity employs Cloudflare-themed ClickFix phishing attacks and fake GitHub repositories opened under the names of legitimate applications, Swiss cybersecurity company PRODAFT said in

Sophos and SonicWall have alerted users of critical security flaws in Sophos Firewall and Secure Mobile Access (SMA) 100 Series appliances that could be exploited to achieve remote code execution.  The two vulnerabilities impacting Sophos Firewall are listed below - CVE-2025-6704 (CVSS score: 9.8) - An arbitrary file writing vulnerability in the Secure PDF eXchange (SPX) feature can lead

Hackers compromised Toptal's GitHub organization account and used their access to publish ten malicious packages on the Node Package Manager (NPM) index. [...]

Is Managing Customer Logins and Data Giving You Headaches? You're Not Alone! Today, we all expect super-fast, secure, and personalized online experiences. But let's be honest, we're also more careful about how our data is used. If something feels off, trust can vanish in an instant. Add to that the lightning-fast changes AI is bringing to everything from how we log in to spotting online fraud,

You wouldn’t run your blue team once a year, so why accept this substandard schedule for your offensive side? Your cybersecurity teams are under intense pressure to be proactive and to find your network’s weaknesses before adversaries do. But in many organizations, offensive security is still treated as a one-time event: an annual pentest, a quarterly red team engagement, maybe an audit sprint

The Tibetan community has been targeted by a China-nexus cyber espionage group as part of two campaigns conducted last month ahead of the Dalai Lama's 90th birthday on July 6, 2025. The multi-stage attacks have been codenamed Operation GhostChat and Operation PhantomPrayers by Zscaler ThreatLabz. "The attackers compromised a legitimate website, redirecting users via a malicious link and

Microsoft has revealed that one of the threat actors behind the active exploitation of SharePoint flaws is deploying Warlock ransomware on targeted systems. The tech giant, in an update shared Wednesday, said the findings are based on an "expanded analysis and threat intelligence from our continued monitoring of exploitation activity by Storm-2603." The threat actor attributed to the financially

Plus de 250 applications malveillantes et 80 domaines de phishing ont été identifiés dans le cadre de la campagne SarangTrap. Tribune – Zlabs, l’équipe de recherche de Zimperium, leader mondial de la sécurité mobile, a découvert une campagne de malwares particulièrement sophistiquée reposant sur la manipulation émotionnelle des utilisateurs. Baptisée SarangTrap, elle cible les utilisateurs […]

The post Zimperium alerte sur des malwares visant les utilisateurs d’applications de rencontre first appeared on UnderNews.

Chaque jour, les services critiques, notamment liés à la santé, l’administration ou autre service public s’appuient sur des systèmes informatiques essentiels mais encore trop vulnérables. Derrière ces derniers, les professionnels qui les protègent passent souvent inaperçus. Pourtant, imaginez que les systèmes d’un hôpital défaillent lors d’une intervention chirurgicale critique, que le verrouillage de sécurité d’un […]

The post L’humain reste bel et bien le héros indétrônable pour protéger nos infrastructures citriques first appeared on UnderNews.

SonicWall urges customers to patch SMA 100 series appliances against a critical authenticated arbitrary file upload vulnerability that can let attackers gain remote code execution. [...]

A China-based hacking group is deploying Warlock ransomware on Microsoft SharePoint servers vulnerable to widespread attacks targeting the recently patched ToolShell zero-day exploit chain. [...]