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.
PostgreSQL
PostgreSQL security update fixes 52 vulnerabilities, ends support for PostgreSQL 14

The PostgreSQL Global Development Group released PostgreSQL 18.7, 17.12, 16.16, 15.20 and 14.25 on November 12, fixing 52 security vulnerabilities and more than 140 other …

Claude
Self-hosted Claude Managed Agents keeps agent credentials in your environment

Anthropic has released a self-hosted version of Claude Managed Agents. Companies can run the agent harness, sandboxes, credentials, and session history in their cloud or …

Help Net Security
Picus puts AI agents on the offensive with autonomous pentesting

Picus Security has announced Picus Autonomous Penetration Testing, an agentic pentesting capability that puts AI agents on the offensive: they think like attackers, chain real …

key
Attackers breached 10 organizations with an open-source AI pentest framework

Chinese-speaking attackers used Cairn, an open-source AI penetration testing framework, to run 25 operations against at least 19 organizations in August and September 2026. …

Gootloader
Operation Endgame malware takedown turns up over 6 million stolen logins

Police in nine countries, working with Europol, took down servers behind the Gootloader, CastleRAT and StealC malware operations this week and recovered more than 6 million …

Microsoft Entra ID
Microsoft Entra adds a seven-day safeguard against irreversible identity deletion

Microsoft Entra’s Hard Deletion Protection, now in preview, gives administrators a seven-day window to recover selected identities before they can be permanently erased. The …

Claude
Stolen Claude API keys can turn Claude Code into a remote-controlled implant

Darktrace researchers turned Claude Code into a remote-controlled implant in a lab test, steering the coding agent through the memory stores feature of Anthropic’s …

IRISSCON 2026
Photos: IRISSCON 2026 cybercrime conference

IRISSCON 2026, the annual cybercrime conference organized by IRISSCERT, took place at the Aviva Stadium in Dublin on November 11. The all-day event gives attendees a look at …

AWS Emulator
AWS Emulator: Open-source tool for testing AWS apps locally, built by autonomous AI agents

Amazon Web Services has released AWS Emulator, a free tool that simulates AWS services on a developer’s laptop, a development server or in a continuous integration (CI) …

GitHub
Check your GitHub repos: A secret stealer hit tens of thousands of them

A threat actor using stolen GitHub credentials has pushed a credential-stealing payload into tens of thousands of repositories since November 10. In more than 1,800 of them, …

.NET 11
.NET 11 security changes target the software supply chain

Microsoft has released .NET 11, a Standard Term Support (STS) release that will receive two years of support. .NET 10 is still the Long Term Support (LTS) option. The release …

Marcelo Oliveira
GitHub Agentic Autofix and the question of who owns a bad AI patch

In this Help Net Security interview, Marcelo Oliveira, VP of Product Management at GitHub, talks about who is accountable when an AI-generated patch fixes one flaw and …

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 for important security events and breaking news
Weekly newsletter listing new cybersecurity job positions
Monthly newsletter focusing on open source cybersecurity tools