Help Net Security
HybridPetya: (Proof-of-concept?) ransomware can bypass UEFI Secure Boot
ESET researchers have discovered HybridPetya, a bootkit-and-ransomware combo that’s a copycat of the infamous Petya/NotPetya malware, augmented with the capability of …
The state of DMARC adoption: What 10M domains reveal
In this Help Net Security video, John Wilson, Senior Fellow, Threat Research at Fortra, explores the state of DMARC adoption across the top 10 million internet domains. He …
Garak: Open-source LLM vulnerability scanner
LLMs can make mistakes, leak data, or be tricked into doing things they were not meant to do. Garak is a free, open-source tool designed to test these weaknesses. It checks …
Fixing silent failures in security controls with adversarial exposure validation
Organizations often operate as if their security controls are fully effective simply because they’re deployed, configured, and monitored. Firewalls are in place, …
Download: Cyber defense guide for the financial sector
Data breaches cost more for financial organizations than they do for those in many other industries. In attempting to strengthen your financial organization’s …
Are we headed for an AI culture war?
In this Help Net Security video, Matt Fangman, Field CTO at SailPoint, discusses whether an AI culture war is inevitable. He explores the rise of AI agents as a new identity …
Cyber defense cannot be democratized
The democratization of AI has fundamentally lowered the barrier for threat actors, creating a bigger pool of people who can carry out sophisticated attacks. The so-called …
Week in review: Several companies affected by the Salesloft Drift breach, Sitecore 0-day vulnerability
Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: Zscaler, Palo Alto Networks, SpyCloud among the affected by Salesloft Drift …
September 2025 Patch Tuesday forecast: The CVE matrix
September 2025 Patch Tuesday is now live: Microsoft, Adobe, SAP deliver critical fixes for September 2025 Patch Tuesday We work in an industry driven by Common Vulnerabilities …
Smart ways CISOs can do more with less
In this Help Net Security video, Jill Knesek, CISO at BlackLine, shares practical strategies for CISOs navigating tighter budgets. From maximizing existing tools and vendor …
CyberFlex: Flexible Pen testing as a Service with EASM
About CyberFlex CyberFlex is an Outpost24 solution that combines the strengths of its Pen-testing-as-a-Service (PTaaS) and External Attack Surface Management (EASM) solutions. …
BruteForceAI: Free AI-powered login brute force tool
BruteForceAI is a penetration testing tool that uses LLMs to improve the way brute-force attacks are carried out. Instead of relying on manual setup, the tool can analyze HTML …