​Microsoft is investigating an ongoing incident causing intermittent issues for users attempting to access SharePoint Online sites. [...]

Microsoft has announced that the Exchange Server Subscription Edition (SE) is now available to all customers of its enterprise email service. [...]

​The Hunters International Ransomware-as-a-Service (RaaS) operation announced today that it has officially closed down its operations and will offer free decryptors to help victims recover their data without paying a ransom. [...]

Microsoft asked customers this week to disregard incorrect Windows Firewall errors that appear after rebooting their systems following the installation of the June 2025 preview update. [...]

Cisco has removed a backdoor account from its Unified Communications Manager (Unified CM), which would have allowed remote attackers to log in to unpatched devices with root privileges. [...]

Citrix warns that patching recently disclosed vulnerabilities that can be exploited to bypass authentication and launch denial-of-service attacks may also break login pages on NetScaler ADC and Gateway appliances. [...]

Microsoft has fixed a known bug that breaks the 'Print to PDF' feature on Windows 11 24H2 systems after installing the April 2025 preview update. [...]

Microsoft is working to fix a DNS misconfiguration that is causing one-time passcode (OTP) message delivery failures in Exchange Online for some users. [...]

On Monday, the International Criminal Court (ICC) announced that it's investigating a new "sophisticated" cyberattack that targeted its systems last week. [...]

Esse Health, a healthcare provider based in St. Louis, Missouri, is notifying over 263,000 patients that their personal and health information was stolen in an April cyberattack. [...]

Building automation giant Johnson Controls is notifying individuals whose data was stolen in a massive ransomware attack that impacted the company's operations worldwide in September 2023. [...]

Google has released emergency updates to patch another Chrome zero-day vulnerability exploited in attacks, marking the fourth such flaw fixed since the start of the year. [...]

Microsoft says its Defender for Office 365 cloud-based email security suite will now automatically detect and block email bombing attacks. [...]

Microsoft has confirmed a new known issue causing delivery delays for June 2025 Windows security updates due to an incorrect metadata timestamp. [...]

The Federal Bureau of Investigation (FBI) has warned Americans of cybercriminals impersonating health fraud investigators to steal their sensitive information. [...]

Over 1,200 Citrix NetScaler ADC and NetScaler Gateway appliances exposed online are unpatched against a critical vulnerability believed to be actively exploited, allowing threat actors to bypass authentication by hijacking user sessions. [...]

Ahold Delhaize, one of the world's largest food retail chains, is notifying over 2.2 million individuals that their personal, financial, and health information was stolen in a November ransomware attack that impacted its U.S. systems. [...]

​​Microsoft has released the KB5060829 preview cumulative update for Windows 11 24H2, which includes 38 changes, including improvements to the taskbar and a new PC-to-PC migration experience. [...]

American grocery wholesale giant United Natural Foods (UNFI) reports that it has restored its core systems and brought online the electronic ordering and invoicing systems affected by a cyberattack. [...]