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key
Frontier AI models collapse under multi-turn AI attacks, Cisco finds

Attackers who probe large language models rarely give up after one refusal. They reframe, build context across turns, adopt personas, and escalate gradually. New research from …

open-source cybersecurity tools
Hottest cybersecurity open-source tools of the month: May 2026

Presented here is a curated selection of noteworthy open-source cybersecurity solutions that have drawn recognition for their ability to enhance security postures across …

cloud security
Companies built AI into core systems before figuring out how to govern it

70% of organizations use GenAI in live environments, and 64% have AI agents in pilot or production deployments. Some of those agents have privileged access to core systems, …

Linux
Canonical releases Workshop for one-command sandboxed dev environments on Ubuntu

Canonical released Workshop, a tool that launches sandboxed development environments on Ubuntu with a single command. Environments are configured once and reproduced on …

hand
AI chatbot recommendations lure users to cryptojacking malware sites

Cybercriminals are using AI chatbot interactions alongside poisoned search results to direct users to malicious download sites in an active cryptojacking campaign, Microsoft …

social engineering
Hackers are knocking on office doors pretending to be IT staff

The Silent Ransom Group (SRG) is targeting law firms using social engineering techniques and an unusual tactic for cybercriminals: showing up at victims’ offices in person …

Google
Google AI Threat Defense targets attackers using AI to find flaws faster

Google Cloud introduced AI Threat Defense, an automated cybersecurity platform that combines several of the company’s security assets to find, prioritize, and patch …

Claude
Claude now reviews and fixes vulnerabilities as you write code

Anthropic introduced a security-guidance plugin for Claude Code that reviews code changes for common vulnerabilities and helps Claude identify and fix issues during the same …

Help Net Security
Cogent targets exploit-to-remediation gap with new AI-powered security capabilities

Cogent has launched two new platform capabilities designed to reduce the time between vulnerability disclosure and confirmed remediation. Zero Day Response identifies exposure …

Help Net Security
Ping Identity advances agentic security with AI governance and trusted access

Ping Identity announced new capabilities that extend the Ping Identity Platform for the agentic enterprise, where AI agents, automation, and developers increasingly shape how …

Help Net Security
eSentire launches new Atlas AI Operatives for autonomous threat detection and response

eSentire has unveiled new preempt, detect, and respond capabilities within the Atlas Platform, a unified agentic AI platform with purpose-built AI Operatives that work …

trojan
Fake ChatGPT and Claude installers on GitHub are dropping Deno RAT malware

Attackers are hosting counterfeit installers and plugins on GitHub and SourceForge that pose as widely used software, including ChatGPT, Claude, AutoTune, Kontakt, Ableton …

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