Help Net Security newsletters: Daily and weekly news, cybersecurity jobs, open source projects, breaking news – subscribe here!

Please turn on your JavaScript for this page to function normally.
Linux
Fragnesia: New Linux kernel LPE bug was spawned by Dirty Frag patch (CVE-2026-46300)

Researchers have found and disclosed yet another local privilege escalation (LPE) vulnerability in the Linux kernel: CVE-2026-46300, aka “Fragnesia”. The flaw is …

Help Net Security
HYCU aiR detects insider risk and AI activity from backups

HYCU has announced HYCU aiR (AI Resilience), an AI-native solution that turns backup data across dozens of applications into a live and actionable intelligence for security, …

Help Net Security
Cofense adds AI-powered campaign detection to stop phishing attacks

Cofense has announced new advancements to its Phishing Defense Platform aimed at improving detection and response to AI-powered phishing attacks. The updates include AI-driven …

WinUI agent plugin
Microsoft’s WinUI agent plugin trims token use by over 70% during development

Microsoft published a plugin on May 13 that lets GitHub Copilot CLI and Claude Code drive the full WinUI 3 development cycle, from project scaffolding through signed MSIX …

Microsoft Copilot Studio
Microsoft turns Copilot Studio into an AI agent control center

The Microsoft Copilot Studio April 2026 updates improve visibility and governance for admins and expand workflow capabilities for managing agents. Copilot surfaces agent …

AI
AI cyber capability is speeding past earlier projections

AI cyber capability is improving faster than expected, with newer models surpassing earlier projections, according to the UK government’s AI Security Institute (AISI). AISI …

KiCad
CERN’s open source KiCad library gives the world 17,000 circuit board components

CERN has released its complete KiCad component library under an open source license, making it available to hardware designers anywhere in the world. The library, maintained …

VectorSmuggle
Vector embedding security gap exposes enterprise AI pipelines

Enterprise adoption of retrieval-augmented generation has moved sensitive corporate content into a new storage format that existing security tools cannot inspect. Companies …

door
Closing the AI governance gap in your enterprise

In this Help Net Security video, Casey Bleeker, CEO at SurePath AI, talks about the AI governance gap that exists in almost every organization. Drawing from three years of …

identity
Over 70% of organizations hit by identity breaches

Attackers rely on stolen credentials, compromised service accounts, and social engineering attacks targeting employees, according to Sophos’ The State of Identity Security …

identity
Machine identities outnumber humans 109 to 1

Organizations manage an average of 109 machine identities for every human identity. AI agents account for a growing share of those identities, with companies expecting AI …

Incognito Chat Meta AI
WhatsApp adds Incognito Chat for private Meta AI conversations

The company launched Incognito Chat with Meta AI, a feature that lets users hold AI conversations the platform itself cannot read. The rollout will reach WhatsApp and the …

Don't miss

Cybersecurity news
Daily newsletter sent Monday-Friday
Weekly newsletter sent on Mondays
Editor's choice newsletter sent twice a month
Periodical newsletter released when there is breaking news
Weekly newsletter listing new cybersecurity job positions
Monthly newsletter focusing on open source cybersecurity tools