11 Oct, 2026

Microsoft removing Defender Application Guard from Office

Microsoft plans to remove Defender Application Guard from Office by December 2027, starting with the February 2026 release of Office version 2602. The Microsoft Defender Application Guard for Office (MDAG) is designed for Windows 10 and Windows 11 Enterprise editions, protecting users’ devices by isolating untrusted Word, PowerPoint, and Excel files in a separate, Hyper-V-enabled container. […]

2 mins read

Data breach at major Swedish software supplier impacts 1.5 million

The Swedish Authority for Privacy Protection (IMY) is investigating a cyberattack on IT systems supplier Miljödata that exposed data belonging to 1.5 million people. Miljödata is an IT systems supplier for roughly 80% of Sweden’s municipalities. The company disclosed the incident on August 25, saying that the attackers stole data and demanded 1.5 Bitcoin to not leak it. […]

2 mins read

Media giant Nikkei reports data breach impacting 17,000 people

Japanese publishing giant Nikkei announced earlier today that its Slack messaging platform had been compromised, exposing the personal information of over 17,000 employees and business partners. Nikkei is one of the largest media corporations worldwide, owns the Financial Times and The Nikkei, the world’s largest financial newspaper. It has approximately 3.7 million digital paid subscriptions, as […]

2 mins read

Police arrests suspects linked to €600 million crypto fraud ring

European law enforcement authorities have arrested nine suspected money launderers who set up a cryptocurrency fraud network that stole over €600 million ($689 million) from victims across multiple countries. The fraudsters allegedly created fake cryptocurrency investment platforms that looked legitimate and promised high returns, and recruited victims through various means, including social media and cold […]

2 mins read

Russian hackers abuse Hyper-V to hide malware in Linux VMs

The Russian hacker group Curly COMrades is abusing Microsoft Hyper-V in Windows to bypass endpoint detection and response solutions by creating a hidden Alpine Linux-based virtual machine to run malware. Inside the virtual environment, the threat actor hosted its custom tools, the CurlyShell reverse shell and the CurlCat reverse proxy, which enabled operational stealth and communication. […]

4 mins read

Windows 10 update bug triggers incorrect end-of-support alerts

Microsoft says that installing the October 2025 updates may trigger incorrect end-of-support warnings on Windows 10 systems with active security coverage or still under active support. According to widespread user reports since last month’s Patch Tuesday, affected devices are displaying “Your version of Windows has reached the end of support” messages in the Windows Update Settings page. This bug impacts systems […]

2 mins read

Hacker steals over $120 million from Balancer DeFi crypto protocol

The Balancer Protocol announced that hackers had targeted its v2 pools, with losses reportedly estimated to be more than $128 million. Balancer is a decentralized finance (DeFi) protocol built on the Ethereum blockchain as an automated market maker and liquidity infrastructure layer. It provides flexible pools with custom token mixes, allowing users to deposit assets, […]

3 mins read

Fake Solidity VSCode extension on Open VSX backdoors developers

A remote access trojan dubbed SleepyDuck, and disguised as the well-known Solidity extension in the Open VSX open-source registry, uses an Ethereum smart contract to establish a communication channel with the attacker. Open VSX is a community-driven registry for extensions compatible with VS Code, which are popular with AI-powered integrated development environments (IDEs) like Cursor and Windsurf. […]

3 mins read

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 […]

2 mins read