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The Hacker News - OpenAI Launches Daybreak for AI-Powered Vulnerability Detection and Patch Validation

OpenAI has launched Daybreak, a new cybersecurity initiative that brings together frontier artificial intelligence (AI) model capabilities and Codex Security to help organizations identify and patch vulnerabilities before attackers find a way in using the same issues. "Daybreak combines the intelligence of OpenAI models, the extensibility of Codex as an agentic harness, and our partners across from The Hacker News https://thehackernews.com/2026/05/openai-launches-daybreak-for-ai-powered.html

The Hacker News - iOS 26.5 Brings Default End-to-End Encrypted RCS Messaging Between iPhone and Android

Apple on Monday officially released iOS 26.5 with support for end-to-end encryption (E2EE) to Rich Communication Services (RCS) in beta as part of a "cross-industry effort" to replace traditional SMS with a more secure alternative. To that end, E2EE RCS messaging is rolling out to iPhone users running iOS 26.5 with supported carriers and Android users on the latest version of Google Messages. from The Hacker News https://thehackernews.com/2026/05/ios-265-brings-default-end-to-end.html

The Hacker News - TeamPCP Compromises Checkmarx Jenkins AST Plugin Weeks After KICS Supply Chain Attack

Checkmarx has confirmed that a modified version of the Jenkins AST plugin was published to the Jenkins Marketplace. "If you are using Checkmarx Jenkins AST plugin, you need to ensure that you are using the version 2.0.13-829.vc72453fa_1c16 that was published on December 17, 2025 or previously," the cybersecurity company said in a statement over the weekend. As of writing, Checkmarx has released from The Hacker News https://thehackernews.com/2026/05/teampcp-compromises-checkmarx-jenkins.html

The Hacker News - cPanel CVE-2026-41940 Under Active Exploitation to Deploy Filemanager Backdoor

A threat actor named Mr_Rot13 has been attributed to the exploitation of a recently disclosed critical cPanel flaw to deploy a backdoor codenamed Filemanager on compromised environments. The attack exploits CVE-2026-41940, a vulnerability impacting cPanel and WebHost Manager (WHM) that could result in an authentication bypass and allow remote attackers to gain elevated control of the control from The Hacker News https://thehackernews.com/2026/05/cpanel-cve-2026-41940-under-active.html

The Hacker News - Hackers Used AI to Develop First Known Zero-Day 2FA Bypass for Mass Exploitation

Google on Monday disclosed that it identified an unknown threat actor using a zero-day exploit that it said was likely developed with an artificial intelligence (AI) system, marking the first time the technology has been put to use in the wild in a malicious context for vulnerability discovery and exploit generation. The activity is said to be the work of cybercrime threat actors who appear to from The Hacker News https://thehackernews.com/2026/05/hackers-used-ai-to-develop-first-known.html

The Hacker News - ⚡ Weekly Recap: Linux Rootkit, macOS Crypto Stealer, WebSocket Skimmers and More

Rough Monday. Somebody poisoned a trusted download again, somebody else turned cloud servers into public housing, and a few crews are still getting into boxes with bugs that should’ve died years ago — the same old holes, same lazy access paths, same “how the hell is this still open” feeling. One report this week basically reads like a guy tripped over root access by accident and decided to stay from The Hacker News https://thehackernews.com/2026/05/weekly-recap-linux-rootkit-macos-crypto.html

The Hacker News - Your Purple Team Isn't Purple — It's Just Red and Blue in the Same Room

Defending a network at 2 am looks a lot like this: an analyst copy-pasting a hash from a PDF into a SIEM query. A red team script is being rewritten by hand so the blue team can use it. A patch waiting on a change-approval window that's longer than the exploitation window itself. Nobody in that chain is incompetent. Every human is doing their job correctly. The problem is the system, its from The Hacker News https://thehackernews.com/2026/05/your-purple-team-isnt-purple-its-just.html