Harvard University disclosed over the weekend that its Alumni Affairs and Development systems were compromised in a voice phishing attack, exposing the personal information of students, alumni, donors, staff, and faculty members. [...]

Microsoft is testing a new optional feature that preloads File Explorer in the background to improve launch times on Windows 11 systems. [...]

Microsoft has warned IT administrators to prepare for the removal of Windows Internet Name Service (WINS) from Windows Server releases starting in November 2034. [...]

Microsoft has confirmed a critical Windows 11 24H2 bug that causes the File Explorer, the Start Menu, and other key system components to crash when provisioning systems with cumulative updates released since July 2025. [...]

Nvidia has confirmed that last month's security updates are causing gaming performance issues on Windows 11 24H2 and Windows 11 25H2 systems. [...]

Microsoft has released an out-of-band cumulative update to fix a known issue causing the November 2025 KB5068966 hotpatch update to reinstall on Windows 11 systems repeatedly. [...]

American cybersecurity firm CrowdStrike has confirmed that an insider shared screenshots taken on internal systems with hackers after they were leaked on Telegram by the Scattered Lapsus$ Hunters threat actors. [...]

Two British teenagers have denied charges related to an investigation into the breach of Transport for London (TfL) in August 2024, which caused millions of pounds in damage and exposed customer data. [...]

Salesforce says it revoked refresh tokens linked to Gainsight-published applications while investigating a new wave of data theft attacks targeting customers. [...]

American cybersecurity company SonicWall urged customers today to patch a high-severity SonicOS SSLVPN security flaw that can allow attackers to crash vulnerable firewalls. [...]

Photocall, a TV piracy streaming platform with over 26 million users annually, has ceased operations following a joint investigation by the Alliance for Creativity and Entertainment (ACE) and DAZN. [...]

The founders of the Samourai Wallet (Samourai) cryptocurrency mixing service have been sent to prison for helping criminals launder over $237 million. [...]

Today, the United States, the United Kingdom, and Australia announced sanctions targeting Russian bulletproof hosting (BPH) providers that have supported ransomware gangs and other cybercrime operations. [...]

CISA has ordered U.S. government agencies to secure their systems within a week against another vulnerability in Fortinet's FortiWeb web application firewall, which was exploited in zero-day attacks. [...]

A 45-year-old from Irvine, California, has pleaded guilty to laundering at least $25 million stolen in a massive $230 million cryptocurrency heist. [...]

On Tuesday, Cloudflare experienced its worst outage in 6 years, blocking access to many websites and online platforms for almost 6 hours after a change to database access controls triggered a cascading failure across its Global Network. [...]

Today, Fortinet released security updates to patch a new FortiWeb zero-day vulnerability that threat actors are actively exploiting in attacks. [...]

Microsoft says that Teams users will be able to report false-positive threat alerts triggered by messages incorrectly flagged as malicious. [...]

Cloudflare is investigating an outage affecting its global network services, with users encountering "internal server error" messages when attempting to access affected websites and online platforms. [...]