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.
Anthropic
Testing reveals Claude Mythos’s offensive capabilities and limits

Could Claude Mythos Preview, Anthropic’s latest large language model, be leveraged for fully automated cyber attacks? The UK government’s AI Security Institute …

phishing
W3LL phishing service sold for $500 dismantled by the FBI

The W3LL phishing kit, a cybercrime tool used to impersonate legitimate login pages and steal usernames and passwords, has been dismantled by the FBI and Indonesian law …

email
DavMail 6.6.0 patches a regex flaw and advances its Microsoft Graph backend

Organizations that run DavMail to bridge standard mail clients to Microsoft Exchange or Office 365 received an update this week. Version 6.6.0 addresses a code-scanning alert …

Basic-Fit
Basic-Fit hack compromises data of up to 1 million members

Basic-Fit, a European gym chain, disclosed that hackers breached one of its internal systems, exposing members’ personal data in several countries. The company operates more …

Booking.com
Booking.com data breach: Customer reservation data exposed

“Unauthorized third parties may have been able to access certain booking information associated with your reservation,” email alerts sent out by Booking.com over …

Google malicious ads
Google to penalize sites that hijack the back button

Google is broadening its spam policies to crack down on “back button hijacking,” a deceptive practice where websites interfere with browser navigation, blocking …

AI
AI adoption is outpacing the safeguards around it

AI is becoming part of professional and private life, reaching mainstream adoption faster than the personal computer or the internet. These systems are tested in reasoning, …

Idan Habler
Agentic AI memory attacks spread across sessions and users, and most organizations aren’t ready

In this Help Net Security interview, Idan Habler, AI Security Researcher at Cisco, breaks down a threat most security teams haven’t named yet: agentic memory as an …

The Psychology of Information Security
Review: The Psychology of Information Security

Security controls fail when they are designed without regard for the people who must use them. That is the central argument of Leron Zinatullin’s second edition, and it …

AI agents
29 million leaked secrets in 2025: Why AI agents credentials are out of control

AI agents need credentials to work. They authenticate with LLM platforms, connect to databases, call SaaS APIs, access cloud resources, and orchestrate across dozens of …

zero trust
Zero trust at year two: What nobody planned for

In this Help Net Security video, Jim Alkove, CEO of Oleria, walks through where zero trust programs typically stand one to two years in. Most organizations have made gains in …

cybersecurity jobs
Cybersecurity jobs available right now: April 14, 2026

Cyber Security Engineer/Application Security Specialist Tecnots | India | On-site – View job details As a Cyber Security Engineer/Application Security Specialist, you …

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