07 Nov, 2025

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

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

Hackers use RMM tools to breach freighters and steal cargo shipments

Threat actors are targeting freight brokers and trucking carriers with malicious links and emails to deploy remote monitoring and management tools (RMMs) that enable them to hijack cargo and steal physical goods. Researchers tracked the activity to June, but they found evidence of these types of campaigns delivering NetSupport and ScreenConnect since January.  According to email security […]

4 mins read

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 […]

3 mins read

Open VSX rotates access tokens used in supply-chain malware attack

The Open VSX registry rotated access tokens after they were accidentally leaked by developers in public repositories and allowed threat actors to publish malicious extensions in a supply chain attack. The leak was discovered by Wiz researchers two weeks ago, when they reported an exposure of over 550 secrets across Microsoft VSCode and Open VSX marketplaces. Some […]

3 mins read

Penn hacker claims to have stolen 1.2 million donor records in data breach

A hacker has taken responsibility for last week’s University of Pennsylvania “We got hacked” email incident, saying it was a far more extensive breach that exposed data on 1.2 million donors and internal documents. On Friday, University of Pennsylvania alumni and students began receiving multiple offensive emails from Penn.edu addresses claiming the university had been hacked and […]

3 mins read