Microsoft has fixed a known issue causing newly introduced Windows security warnings to display incorrectly when opening Remote Desktop (.rdp) files. [...]

Microsoft has updated a Windows 11 in-box app removal policy introduced in October to include a dynamic list that lets IT admins choose which preinstalled Store apps to uninstall. [...]

Microsoft has released the KB5083631 optional cumulative update for Windows 11, which includes 34 changes, such as a new Xbox mode for Windows PCs, enhanced security and performance for batch files, and performance improvements for launching startup apps. [...]

Two former employees of cybersecurity incident response companies Sygnia and DigitalMint were sentenced to four years in prison each for targeting U.S. companies in BlackCat (ALPHV) ransomware attacks. [...]

A Romanian national who led an online swatting ring that targeted more than 75 public officials, multiple journalists, and four religious institutions was sentenced to 4 years in federal prison. [...]

The U.S. Federal Bureau of Investigation (FBI) warned the transportation and logistics industry of a sharp rise in cyber-enabled cargo theft, with estimated losses in the United States and Canada reaching nearly $725 million in 2025. [...]

The April 2026 KB5083769 security update breaks third-party backup applications from multiple vendors on systems running Windows 11 24H2 and 25H2. [...]

Dutch cosmetics giant Rituals disclosed a data breach after attackers stole the personal information of an undisclosed number of customers from its "My Rituals" membership database. [...]

Microsoft confirmed that a recent Microsoft Edge browser update introduced a bug that prevents Windows users from joining Teams meetings. [...]

The United Kingdom's National Cyber Security Centre (NCSC-UK) and international partners warned that China-nexus hackers are increasingly using large-scale proxy networks of hijacked consumer devices to evade detection and disguise their malicious activity. [...]

CISA has ordered U.S. federal agencies to patch a Microsoft Defender privilege escalation flaw (dubbed BlueHammer) that has been exploited in zero-day attacks. [...]

Microsoft is preparing to roll out a new Efficiency Mode for Microsoft Teams for systems with limited CPU and memory resources to improve app responsiveness. [...]

Microsoft says that an ongoing Universal Print sharing issue that prevents users from creating some printer shares is due to a Microsoft Graph API code change. [...]

CISA has given U.S. government agencies four days to secure their systems against a critical-severity vulnerability in Ivanti Endpoint Manager Mobile (EPMM) that has been exploited in attacks since January. [...]

Microsoft has pushed a server-side fix for a known issue that broke the Windows Start Menu search feature on some Windows 11 23H2 devices. [...]

Iranian-linked hackers are targeting Internet-exposed Rockwell/Allen-Bradley programmable logic controllers (PLCs) on the networks of U.S. critical infrastructure organizations. [...]

Microsoft has resolved a known issue that was preventing some Classic Outlook users from sending emails via Outlook.com. [...]

Microsoft has deprecated and removed the Support and Recovery Assistant (SaRA) command-line utility from all in-support versions of Windows updates starting March 10. [...]

Microsoft says that Storm-1175, a China-based financially motivated cybercriminal group known for deploying Medusa ransomware payloads, has been deploying n-day and zero-day exploits in high-velocity attacks. [...]