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CISA
Don’t panic over CISA’s KEV list, use it smarter

In this Help Net Security video, Tod Beardsley, VP of Security Research at runZero, explains what CISA’s Known Exploited Vulnerabilities (KEV) Catalog is and how security …

MOS
MOS: Open-source modular OS for servers and homelabs

A growing number of homelab builders and small server operators are testing an open source operating system that combines basic server management, storage control, and …

week in review
Week in review: Exploited newly patched BeyondTrust RCE, United Airlines CISO on building resilience

Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: United Airlines CISO on building resilience when disruption is inevitable In …

bitcoin
Bitcoin trading firm CEO gets 20 years for operating $200 million Ponzi scheme

The U.S. Department of Justice sentenced the CEO of a multi-level marketing and bitcoin trading firm to 20 years in prison after a conviction for wire fraud and money …

BeyondTrust
Hackers probe, exploit newly patched BeyondTrust RCE flaw (CVE-2026-1731)

Attackers are exploiting a recently patched critical vulnerability (CVE-2026-1731) in internet-facing BeyondTrust Remote Support and Privileged Remote Access instances. …

Help Net Security
Proofpoint acquires Acuvity to secure AI and agent-driven workflows

Proofpoint has acquired Acuvity, strengthening its platform with AI-native visibility, governance, and runtime protection for AI and agent-driven workflows. As generative AI …

Brutus
Brutus: Open-source credential testing tool for offensive security

Brutus is an open-source, multi-protocol credential testing tool written in pure Go. Designed to replace legacy tools that have long frustrated penetration testers with …

JokerOTP
Police arrests distributor of JokerOTP password-stealing bot

The Dutch National Police arrested a 21-year-old man from Dordrecht as part of a cybercrime investigation by Team Cybercrime Oost-Brabant. The suspect is believed to have …

OpenAI
OpenAI released GPT-5.3-Codex-Spark, a real-time coding model

OpenAI has released a research preview of GPT-5.3-Codex-Spark, an ultra-fast model for real-time coding in Codex. It is available to ChatGPT Pro users in the latest versions …

CISA
Why secure OT protocols still struggle to catch on

Industrial control system networks continue to run on legacy communication protocols that were built for reliability and uptime, not authentication or data integrity. In many …

Help Net Security
Arctic Wolf expands MSP Security with Aurora Managed Endpoint Defense

Arctic Wolf has announced new endpoint security capabilities for its Managed Service Provider (MSP) partners. The addition of Aurora Managed Endpoint Defense, powered by the …

Ubuntu
Ubuntu 24.04.4 LTS arrives with cumulative security and bug fixes

Security teams running Ubuntu in production often delay major OS upgrades until the next point release arrives with accumulated patches and newer hardware support. Ubuntu …

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