A pro-Russian hacktivist group called TwoNet pivoted in less than a year from launching distributed denial-of-service (DDoS) attacks to targeting critical infrastructure. [...]

New versions of the XWorm backdoor are being distributed in phishing campaigns after the original developer, XCoder, abandoned the project last year. [...]

Hackers stole partial payment information and personally identifiable data, including names and government-issued IDs, from some Discord users after compromising a third-party customer service provider. [...]

Hackers are actively exploiting a critical vulnerability (CVE-2025-32463) in the sudo package that enables the execution of commands with root-level privileges on Linux operating systems. [...]

The disruptions over the weekend at several major European airports were caused by a ransomware attack targeting the check-in and boarding systems. [...]

A critical combination of legacy components could have allowed complete access to the Microsoft Entra ID tenant of every company in the world. [...]

The Royal Canadian Mounted Police has shut down the TradeOgre cryptocurrency exchange and seized more than $40 million believed to originate from criminal activities. [...]

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has published an analysis of the malware deployed in attacks exploiting vulnerabilities affecting Ivanti Endpoint Manager Mobile (EPMM). [...]

The operators of the SystemBC proxy botnet are hunting for vulnerable commercial virtual private servers (VPS) and maintain an average of 1,500 bots every day that provide a highway for malicious traffic. [...]

Academic researchers have devised a new variant of Rowhammer attacks that bypass the latest protection mechanisms on DDR5 memory chips from SK Hynix. [...]

Cybercriminals are abusing Meta's advertising platforms with fake offers of a free TradingView Premium app that spreads the Brokewell malware for Android. [...]

Threat actors have been using multiple websites promoted through Google ads to distribute a convincing PDF editing app that delivers an info-stealing malware called TamperedChef. [...]