The FBI warns of a surge in account takeover (ATO) fraud schemes and says that cybercriminals impersonating various financial institutions have stolen over $262 million in ATO attacks since the start of the year. [...]

Microsoft is investigating an Exchange Online service outage that is preventing customers from accessing their mailboxes using the classic Outlook desktop client. [...]

Microsoft says it will add a new Teams call handler beginning in January 2026 to reduce launch times and boost call performance for the Windows desktop client. [...]

​Dartmouth College has disclosed a data breach after the Clop extortion gang leaked data allegedly stolen from the school's Oracle E-Business Suite servers on its dark web leak site. [...]

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. [...]