Windows Update gets new controls to reduce forced restarts
Microsoft is rolling out Windows Update improvements that give users more control over how updates are installed while reducing disruption from frequent or poorly timed restarts. The company says the improvements are now rolling out to Windows Insiders, following user feedback that highlighted two key issues: updates are disrupting workflows, and there is a lack of […]
New BlackFile extortion group linked to surge of vishing attacks
A new financially motivated hacking group tracked as BlackFile has been linked to a wave of data theft and extortion attacks against retail and hospitality organizations since February 2026. The group, also tracked as CL-CRI-1116, UNC6671, and Cordial Spider, is impersonating corporate IT helpdesk staff to steal employee credentials and demand seven-figure ransoms, according to information shared […]
Microsoft to roll out Entra passkeys on Windows in late April
Microsoft will roll out passkey support for phishing-resistant passwordless authentication to Microsoft Entra‑protected resources from Windows devices starting late April. The feature is expected to reach general availability by mid-June 2026 and will also extend passwordless sign-in to unmanaged Windows devices. Microsoft says that Entra passkeys on Windows will support corporate, personal, and shared devices, […]
New ‘Pack2TheRoot’ flaw gives hackers root Linux access
A new vulnerability dubbed Pack2TheRoot could be exploited in the PackageKit daemon to allow local Linux users to install or remove system packages and gain root permissions. The flaw is identified as CVE-2026-41651 and received a high-severity rating of 8.8 out of 10. It has persisted for almost 12 years in the PackageKit daemon, a background service that manages software installation, […]
Over 10,000 Zimbra servers vulnerable to ongoing XSS attacks
Over 10,000 Zimbra Collaboration Suite (ZCS) instances exposed online are vulnerable to ongoing attacks exploiting a cross-site scripting (XSS) security flaw, according to nonprofit security organization Shadowserver. Zimbra is a popular email and collaboration software suite used by hundreds of millions of people worldwide, including hundreds of government agencies and thousands of businesses. The vulnerability (tracked as CVE-2025-48700) […]
Microsoft now lets admins uninstall Copilot on enterprise devices
Microsoft says IT administrators can now uninstall the AI-powered Copilot digital assistant from enterprise devices using a new policy setting, which has become broadly available after the April 2026 Patch Tuesday. RemoveMicrosoftCopilotApp is available as a Policy CSP and Group Policy after deploying this month’s Windows security updates on endpoints managed via Microsoft Intune or System Center […]
Hackers exploit file upload bug in Breeze Cache WordPress plugin
Hackers are actively exploiting a critical vulnerability in the Breeze Cache plugin for WordPress that allows uploading arbitrary files on the server without authentication. The security issue is tracked as CVE-2026-3844 and has been leveraged in more than 170 exploitation attempts by the Wordfence security solution for the WordPress ecosystem. The Breeze Cache WordPress caching […]
Bitwarden CLI npm package compromised to steal developer credentials
The Bitwarden CLI was briefly compromised after attackers uploaded a malicious @bitwarden/cli package to npm containing a credential-stealing payload capable of spreading to other projects. According to reports by Socket, JFrog, and OX Security, the malicious package was distributed as version 2026.4.0 and remained available between 5:57 PM and 7:30 PM ET on April 22, 2026, before being removed. […]
Trigona ransomware attacks use custom exfiltration tool to steal data
Recently observed Trigona ransomware attacks are using a custom, command-line tool to steal data from compromised environments faster and more efficiently. The utility was emplayed in attacks in March that were attributed to a gang affiliate, likely in an effort to avoid publicly available tools, such as Rclone and MegaSync, that typically trigger security solutions. […]
New Checkmarx supply-chain breach affects KICS analysis tool
Hackers have compromised Docker images, VSCode and Open VSX extensions for the Checkmarx KICS analysis tool to harvest sensitive data from developer environments. KICS, short for Keeping Infrastructure as Code Secure, is a free, open-source scanner that helps developers identify security vulnerabilities in source code, dependencies, and configuration files. The tool is typically run locally […]