​Microsoft is working to resolve a known issue that prevents some users from opening Excel email attachments in the new Outlook client. [...]

Law enforcement officers from Switzerland and Germany have taken down the Cryptomixer cryptocurrency-mixing service, believed to have helped cybercriminals launder over €1.3 billion in Bitcoin since its launch in 2016. [...]

Microsoft warned users that Windows 11 updates released since August may cause the password sign-in option to disappear from the lock screen options, even though the button remains functional. [...]

The French Football Federation (FFF) disclosed a data breach on Friday after attackers used a compromised account to gain access to administrative management software used by football clubs. [...]

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. [...]

Cisco warned this week that two vulnerabilities, which have been exploited in zero-day attacks, are now being abused to force ASA and FTD firewalls into reboot loops. [...]

Cisco has released security updates to patch a critical vulnerability in the Unified Contact Center Express (UCCX) software, which could enable attackers to execute commands with root privileges. [...]

Microsoft is suffering an ongoing DNS outage affecting customers worldwide, preventing them from logging into company networks and accessing Microsoft Azure and Microsoft 365 services. [...]

Microsoft has resolved a known issue that caused Windows updates to fail, leading to 0x800F081F errors on Windows 11 24H2 systems. [...]

The Cybersecurity & Infrastructure Security Agency (CISA) warned today that attackers are actively exploiting two vulnerabilities in Dassault Systèmes' DELMIA Apriso, a manufacturing operations management (MOM) and execution (MES) solution. [...]

​Microsoft announced today a new Microsoft 365 Copilot agent called App Builder that can help users create and deploy apps "in minutes." [...]

Google announced today that the Chrome web browser will ask for permission by default before connecting to public, insecure HTTP websites, beginning with Chrome 154 in October 2026. [...]

Today, Microsoft introduced Mico, a new and more personal avatar for the AI-powered Copilot digital assistant, which the company describes as human-centered. [...]

Microsoft says that the File Explorer (formerly Windows Explorer) now automatically blocks previews for files downloaded from the Internet to block credential theft attacks via malicious documents. [...]

Security researchers collected $792,750 in cash after exploiting 56​​​​​​​ unique zero-day vulnerabilities during the second day of the Pwn2Own Ireland 2025 hacking competition. [...]