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A pro-Ukrainian group called Bearlyfy has been attributed to more than 70 cyber attacks targeting Russian companies since it first surfaced in the threat landscape in January 2025, with recent attacks leveraging a custom Windows ransomware strain codenamed GenieLocker. "Bearlyfy (also known as Labubu) operates as a dual-purpose group aimed at inflicting maximum damage upon Russian businesses;

Police in Germany physically warned organizations about the critical PTC Windchill vulnerability tracked as CVE-2026-4681. The post CISA Flags Critical PTC Vulnerability That Had German Police Mobilized appeared first on SecurityWeek.

​Microsoft has released the KB5079391 preview cumulative update for Windows 11 24H2 and 25H2, which includes 29 changes, such as Smart App Control and Display improvements. [...]

La Police nationale néerlandaise (Politie) a subi une brèche de sécurité résultant d'une attaque de phishing réussie. L'impact est limité et n'a pas affecté les données des citoyens. L'incident a été divulgué le 27 mars 2026.

Cybersecurity researchers have disclosed three security vulnerabilities impacting LangChain and LangGraph that, if successfully exploited, could expose filesystem data, environment secrets, and conversation history. Both LangChain and LangGraph are open-source frameworks that are used to build applications powered by Large Language Models (LLMs). LangGraph is built on the foundations of

Global bank's devs have some cleaning up to do after cloud creds found in website code Computer security boffins have conducted an analysis of 10 million websites and found almost 2,000 API credentials strewn across 10,000 webpages.…

Le club néerlandais AFC Ajax a divulgué qu'un hacker a exploité des vulnérabilités IT pour accéder aux données de quelques centaines de personnes, permettant le vol de billets. Bien que non financier direct, impacte la grande région et services numériques en Europe. Notification potentielle RGPD.

The Cybersecurity and Infrastructure Security Agency (CISA) is warning that hackers are actively exploiting a critical vulnerability identified as CVE-2026-33017, which affects the Langflow framework for building AI agents. [...]

A long-term and ongoing campaign attributed to a China-nexus threat actor has embedded itself in telecom networks to conduct espionage against government networks. The strategic positioning activity, which involves implanting and maintaining stealthy access mechanisms within critical environments, has been attributed to Red Menshen, a threat cluster that's also tracked as Earth Bluecrow,

The United Kingdom's Foreign, Commonwealth and Development Office (FCDO) has sanctioned Xinbi, a Chinese-language cryptocurrency-based online marketplace that sells stolen data and satellite internet equipment to scam networks in Southeast Asia. [...]

La CSSF a publié le 26 mars 2026 la circulaire CSSF-CPDI 26/50 exigeant une enquête sur les dépôts couverts détenus au 31 mars 2026. Les institutions financières doivent soumettre ces données dans les délais impartis. Cela renforce la supervision des garanties de dépôts au Luxembourg.

Threat actors are targeting TikTok for Business accounts in a phishing campaign that prevents security bots from analyzing malicious pages. [...]

The holdings company says hackers stole names, Social Security numbers, and driver’s license numbers from its environment. The post Hightower Holding Data Breach Impacts 130,000 appeared first on SecurityWeek.

WhatsApp is rolling out multiple features designed to make the app easier to use, including AI-powered message replies and photo retouching, support for two accounts on iOS, and chat history transfer between iOS and Android devices. [...]

Multi-stage fraud attacks chain bots, proxies, and stolen credentials from signup to takeover. IPQS shows why correlating IP, device, identity, and behavior is critical to stop it. [...]

Specially crafted domains could be used to cause out-of-memory conditions, leading to memory leaks in the BIND resolvers. The post BIND Updates Patch High-Severity Vulnerabilities appeared first on SecurityWeek.

Most teams have security tools in place. Alerts are firing, dashboards look clean, threat intel is flowing in. On the surface, everything feels under control. But one question usually stays unanswered: Would your defenses actually stop a real attack? That’s where things get shaky. A control exists, so it’s assumed to work. A detection rule is active, so it’s expected to catch something. But very

Cybersecurity researchers have disclosed a vulnerability in Anthropic's Claude Google Chrome Extension that could have been exploited to trigger malicious prompts simply by visiting a web page. The flaw "allowed any website to silently inject prompts into that assistant as if the user wrote them," Koi Security researcher Oren Yomtov said in a report shared with The Hacker News. "No clicks, no

The Coruna exploit kit is an evolution of the framework used in the Operation Triangulation espionage campaign, which in 2023 targeted iPhones via zero-click iMessage exploits. [...]