microsoft
Microsoft: SesameOp malware abuses OpenAI Assistants API in attacks
Microsoft security researchers have discovered a new backdoor malware that uses the OpenAI Assistants API as a covert command-and-control channel. The company’s Detection and Response Team (DART) discovered the new malware, named SesameOp, during an investigation into a July 2025 cyberattack, which revealed that the malware allowed attackers to gain persistent access to the compromised […]
Microsoft: Patch for WSUS flaw disabled Windows Server hotpatching
An out-of-band (OOB) security update that patches an actively exploited Windows Server Update Service (WSUS) vulnerability has broken hotpatching on some Windows Server 2025 devices. KB5070881, the emergency update causing this issue, was released on the same day that several cybersecurity companies confirmed the critical-severity CVE-2025-59287 remote code execution (RCE) flaw was being exploited in the wild. The […]
Microsoft: Windows Task Manager won’t quit after KB5067036 update
Microsoft has confirmed a known issue that is preventing users from quitting the Windows 11 Task Manager after installing the October 2025 optional update. This comes after widespread user reports that the Task Manager continues to run in the background even after quitting the app using the “Close” button, resulting in various performance issues, including stuttering and CPU hangs. […]
Windows 11 Build 26220.7051 released with “Ask Copilot” feature
Windows 11 Build 26220.7051 is now rolling out to testers in the Insider Program, and there are at least three new features, including Ask Copilot on the taskbar. Up until now, you could access Copilot on Windows 11 via the app or browser, but now you can use a new taskbar-based ‘Ask Copilot’ to interact with […]
Windows 11 tests shared Bluetooth audio support, but only for AI PCs
If you have two headphones, speakers, or any other Bluetooth hardware, you can now share audio between the two devices simultaneously on a Copilot+ PC. Microsoft is testing a new feature called “shared audio,” which is built on top of Bluetooth LE Audio broadcast technology. With Bluetooth LE Audio broadcast technology, Windows can now transmit an audio stream to […]
Microsoft Edge gets scareware sensor for faster scam detection
Microsoft is introducing a new scareware sensor for the Microsoft Edge web browser, which helps detect scam pages more quickly and ensures that Defender SmartScreen blocks them faster. In scareware scams (also known as tech support scams), fraudsters use aggressive landing pages to trick potential victims into believing that their devices have been compromised with malware […]
Windows zero-day actively exploited to spy on European diplomats
A China-linked hacking group is exploiting a Windows zero-day in attacks targeting European diplomats in Hungary, Belgium, and other European nations. According to Arctic Wolf Labs, the attack chain begins with spearphishing emails that lead to the delivery of malicious LNK files themed around NATO defense procurement workshops, European Commission border facilitation meetings, and various […]
CISA and NSA share tips on securing Microsoft Exchange servers
The Cybersecurity and Infrastructure Security Agency (CISA) and the National Security Agency (NSA) have released guidance to help IT administrators harden Microsoft Exchange servers on their networks against attacks. Recommended best practices include hardening user authentication and access, minimizing application attack surfaces, and ensuring strong network encryption. The agencies also advise network defenders to decommission […]
LinkedIn phishing targets finance execs with fake board invites
Hackers are abusing LinkedIn to target finance executives with direct-message phishing attacks that impersonate executive board invitations, aiming to steal their Microsoft credentials. The campaign was spotted by Push Security, which says it recently blocked one of these phishing attacks that began with a LinkedIn message containing a malicious link. GeekFeed has learned that these phishing […]
Microsoft promises more Copilot features in Microsoft 365 companion apps
Microsoft 365 companion apps will be getting more Copilot features in the coming weeks. Right now, Copilot works only inside two companion apps, People and Files. In the coming weeks, Microsoft plans to add Copilot to the Calendar companion as well. For those unaware, Microsoft 365 companions are only available for enterprises or businesses. Microsoft 365 Personal users won’t get […]