Bleeping Computer.

CISA warned that attackers are now exploiting a high-severity Apache ActiveMQ vulnerability, which was patched earlier this month after going undetected for 13 years. [...]

Microsoft warns that some Windows domain controllers are entering restart loops after installing the April 2026 security updates. [...]

23-year-old Kamerin Stokes of Memphis, Tennessee, was sentenced to 30 months in prison for selling access to tens of thousands of hacked DraftKings accounts. [...]

Threat actors are exploiting three recently disclosed Windows security vulnerabilities in attacks aimed at gaining SYSTEM or elevated administrator permissions. [...]

The latest wave of "Operation PowerOFF," on April 13, 2026, targeted the distributed denial-of-service (DDoS) ecosystem and its users across 21 countries. [...]

A new malware called ZionSiphon, specifically designed for operational technology, is targeting water treatment and desalination environments to sabotage their operations. [...]

A researcher known as "Chaotic Eclipse" has published a proof-of-concept exploit for a second Microsoft Defender zero-day, dubbed "RedSun," in the past two weeks, protesting how the company works with cybersecurity researchers. [...]

Hackers are exploiting a critical vulnerability in Marimo reactive Python notebook to deploy a new variant of NKAbuse malware hosted on Hugging Face Spaces. [...]

Google says it is increasingly using its Gemini AI models to detect and block harmful ads on its advertising platforms, as scammers and threat actors continue to evolve their tactics to evade detection. [...]

A new cybercrime platform called ATHR can harvest credentials via fully automated voice phishing attacks that use both human operators and AI agents for the social engineering phase. [...]

AI-powered SOC tools promise automation, but most only speed up triage instead of reducing real workload. Tines shows how real gains come from end-to-end workflows that execute actions across systems, not just summarize alerts. [...]

Cisco has released security updates to patch four critical vulnerabilities, including a fixed improper certificate validation flaw in the company's cloud-based Webex Services platform that requires further customer action. [...]

The ShinyHunters extortion group has leaked data from 13.5 million McGraw Hill user accounts, stolen after breaching the company's Salesforce environment earlier this month. [...]

Two U.S. nationals have been sent to prison for helping North Korean remote information technology (IT) workers to pose as U.S. residents and get hired by over 100 companies across the country, including many Fortune 500 firms. [...]

Microsoft is investigating an issue causing this month's KB5082063 security update to fail to install on some Windows Server 2025 systems. [...]

A critical vulnerability in Nginx UI with Model Context Protocol (MCP) support is now being exploited in the wild for full server takeover without authentication. [...]

A new malware family named 'AgingFly' has been identified in attacks against local governments and hospitals that steal authentication data from Chromium-based browsers and WhatsApp messenger. [...]

More than 30 WordPress plugins in the EssentialPlugin package have been compromised with malicious code that allows unauthorized access to websites running them. [...]

A digitally signed adware tool has deployed payloads running with SYSTEM privileges that disabled antivirus protections on thousands of endpoints, some in the educational, utilities, government, and healthcare sectors. [...]

Microsoft has awarded $2.3 million to security researchers after receiving nearly 700 submissions during this year's Zero Day Quest hacking contest. [...]