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CISA confirms exploitation of VMware ESXi flaw by ransomware attackers

CVE-2025-22225, a VMware ESXi arbitrary write vulnerability, is being used in ransomware campaigns, CISA confirmed on Wednesday by updating the vulnerability’s entry in its Known Exploited Vulnerabilities (KEV) catalog. Researchers linked VMware ESXi zero-day trio to single exploit toolkit Broadcom fixed CVE-2025-22225, CVE-2025-22224 (a heap overflow vulnerability) and CVE-2025-22226 (an information disclosure flaw) in VMware ESXi, Workstation, and Fusion in early March 2025. At the time of their disclosure, Broadcom said that they have information … More → The post CISA confirms exploitation of VMware ESXi flaw by ransomware attackers appeared first on Help Net Security.
http://news.poseidon-us.com/TQn6yL

OpenAI Frontier organizes AI agents under one system

OpenAI introduced Frontier, a platform designed to organize AI agents that perform business tasks within internal systems and workflows. The platform connects data from multiple internal systems including customer relationship management tools, ticketing platforms, and data warehouses. This integration creates a shared knowledge layer that allows AI agents to understand business processes and decision points across departments. “We’ve learned that teams don’t just need better tools that solve pieces of the puzzle. They needed help … More → The post OpenAI Frontier organizes AI agents under one system appeared first on Help Net Security.
http://news.poseidon-us.com/TQn6xw

Doctors may be missing early signs of kidney disease

Kidney disease often creeps in silently, and many patients aren’t diagnosed until major damage is already done. New research shows that even “normal” kidney test results can signal danger if they’re unusually low for someone’s age. By mapping kidney function across the population, scientists revealed who’s quietly at higher risk. A new online tool could help doctors catch these warning signs years earlier.
http://news.poseidon-us.com/TQn2vV

Why a decade-old EnCase driver still works as an EDR killer

Attackers are leaning on a new EDR killer malware that can shut down 59 widely used endpoint security products by misusing a kernel driver that once shipped with Guidance Software’s EnCase digital forensics tool, Huntress researchers warn. This particular driver is legitimate but its certificate expired and was revoked more than ten years ago. Even so, Windows still allows it to load. The attack Huntress’ security experts spotted this intrusion earlier this month, and discovered … More → The post Why a decade-old EnCase driver still works as an EDR killer appeared first on Help Net Security.
http://news.poseidon-us.com/TQmsm9

International sting dismantles illegal streaming empire serving millions

Actions by authorities from Italy, Romania, Spain, the United Kingdom, Canada, Kosovo and South Korea, supported by Eurojust and Europol, led to the seizure of multiple illegal streaming services. A total of 31 suspected members have been linked to the operation. The group engaged in unauthorised distribution of pay TV content, illegal access to information technology systems, computer fraud and money laundering. The activity expanded as revenue increased, enabling the distribution of illegal streaming services … More → The post International sting dismantles illegal streaming empire serving millions appeared first on Help Net Security.
http://news.poseidon-us.com/TQmsm8

GitHub enables multi-agent AI coding inside repository workflows

GitHub has expanded Agents HQ, enabling AI coding agents such as GitHub Copilot, Claude by Anthropic, and OpenAI Codex to execute development tasks directly within GitHub and developer editors while preserving repository context, session history, and review workflows. Copilot Pro+ and Copilot Enterprise developers can start agent sessions from GitHub, GitHub Mobile, and Visual Studio Code, with support for Copilot CLI expected soon. “We’re bringing Claude into GitHub to meet developers where they are. With … More → The post GitHub enables multi-agent AI coding inside repository workflows appeared first on Help Net Security.
http://news.poseidon-us.com/TQmsm6

Police shut down global DDoS operation, arrest 20-year-old

Police officers from Poland’s Central Bureau for Combating Cybercrime (CBZC) have arrested a 20-year-old man suspected of carrying out global DDoS attacks targeting high-profile and strategically important websites. Arrest (Source: Poland’s Central Bureau for Combating Cybercrime) The suspect faces six criminal charges, including disrupting IT systems and obtaining specialized software designed to conduct cyberattacks. If convicted, he could be sentenced to up to five years in prison. “The 20-year-old confessed to most of the charges … More → The post Police shut down global DDoS operation, arrest 20-year-old appeared first on Help Net Security.
http://news.poseidon-us.com/TQmsks

Microsoft brings project-focused AI agents into OneDrive

Teams often rely on shared document collections to track project history, decisions, and operational knowledge. To support this workflow, Microsoft introduced Agents in OneDrive, allowing users to create AI assistants built from selected files and folders. The feature allows users to group project plans, meeting notes, technical specifications, presentations, and research materials into a single agent. The assistant can then respond to questions, summarize discussions, identify recorded decisions, and extract deadlines, ownership details, and action … More → The post Microsoft brings project-focused AI agents into OneDrive appeared first on Help Net Security.
http://news.poseidon-us.com/TQmjTz

Microsoft launches LiteBox, a security-focused open-source library OS

Microsoft has released LiteBox, a project intended to function as a security-focused library OS that can serve as a secure kernel for protecting a guest kernel using virtualization hardware. LiteBox was developed in collaboration with the Linux Virtualization Based Security (LVBS) project. The goal is to isolate and protect a normal guest kernel by running security-critical functionality in a separate, hardened environment. Microsoft said LiteBox is implemented in Rust, a programming language often used in … More → The post Microsoft launches LiteBox, a security-focused open-source library OS appeared first on Help Net Security.
http://news.poseidon-us.com/TQmjTp