ZeroDay Cyber Feed
Explore fresh threat intelligence, zero-day vulnerabilities, and cyber news. Stay ahead of the curve with our real-time feed of the latest in cybersecurity.
Help keep ZeroDay free for everyone. Donate any amount (Donante) to support independent cybersecurity education and daily threat intelligence updates.
Professional Course Tracks
Learn offensive security, network exploitation, red team operations, and real-world penetration testing techniques aligned with industry standards and hands-on vulnerability assessment practices.
Most detailed category with step-by-step breakdowns, realistic scenarios, and practical examples.
CVE posts are concise vulnerability summaries for fast awareness and prioritization.
Infrastructure assessment, exposure mapping, and internal attack-chain coverage for practical testing.
Follow CVE summaries for context, then move to Red-Team for deeper techniques and examples.

Dozens of fake Visual Studio Code extensions have been discovered in the Open VSX repository, serving as a gateway for the evolving GlassWorm v2 malware to steal sensitive developer information. Published: 2026-04-27 | A

A sophisticated exploit chain targeting TrueConf video conferencing software has been actively used by a pro-Ukrainian hacktivist group to compromise Russian networks since late 2025. The group, known as PhantomCore, is

The rapid advancement of AI in cybersecurity, exemplified by Anthropic's Claude Mythos, promises to accelerate vulnerability discovery but simultaneously exposes critical gaps in organizational remediation processes. Sec

US government agencies face a looming deadline to address critical security flaws found in widely used software and hardware, with evidence pointing to active exploitation in the wild. Published: 2026-04-25 | Author: Pat