The Hacker News

Malicious npm Packages Pose as PostCSS Tools to Deliver Windows RAT

JFrog found malicious npm packages that deploy a Windows RAT to steal Chrome credentials, run commands, and transfer files.

Clean GitHub repo tricks AI coding agents into running malware

An agentic coding tool tasked with cloning and setting up a seemingly benign GitHub repository could execute a malicious ...

OpenAI's new GPT-5.5-Cyber tops Claude Mythos 5 in vulnerability benchmark0 0

OpenAI is rolling out the full, limited-release version of GPT-5.5-Cyber—a specialized AI model that outperforms its ...
Microsoft

StealC and Amadey: Breaking down infostealers and the cybercrime services that deliver them

On June 24, 2026, Microsoft’s Digital Crimes Unit (DCU) facilitated the takedown, suspension, and blocking of domains that ...

OpenAI Launches Full-Scale Effort to Patch Open-Source Bugs as It Takes on Anthropic’s Mythos

Amid concerns about AI models’ cybersecurity capabilities, OpenAI revealed an improved version of GPT-5.5-Cyber and its ...
SecurityWeek

OpenAI Refocuses Cybersecurity Efforts on Patching Over Discovery

OpenAI expanded its Daybreak cybersecurity initiative with a new suite of tools and partnerships focusing on getting patches ...
Barron's

AES Corp.

The AES Corp. engages in the provision of power generation and utility services through its renewable and thermal generation facilities and distribution businesses. It operates through the following ...

OpenAI expands Daybreak with Patch the Planet and full GPT-5.5-Cyber release

OpenAI Group PBC today expanded its Daybreak cybersecurity program with a new open-source patching initiative called Patch ...