Millions of UK firms on alert after Companies House data exposure
Companies House, the UK’s official company registry, said its WebFiling service is back online after being shut down on Friday to fix a security issue that may have exposed …
Hidden instructions in README files can make AI agents leak data
Developers rely on AI coding agents to set up projects, install dependencies, and run commands by following instructions in repository README files, which provide setup …
What to do in the first 24 hours of a breach
In this Help Net Security video, Arvind Parthasarathi, CEO of CYGNVS, walks through a 10-step process for handling a cybersecurity breach. The first five steps cover …
Cybersecurity jobs available right now: March 17, 2026
Application Security DevSecOps Specialist NTT DATA | Italy | On-site – No longer accepting applications As an Application Security DevSecOps Specialist, you will …
Meta ditches end-to-end encrypted messaging on Instagram
End-to-end encrypted messaging on Instagram will no longer be supported after May 8, 2026. Meta justified the move by saying the feature was rarely used, with only a small …
Microsoft Edge 146 adds IP privacy and local network access controls
Microsoft Edge version 146 (Stable) became available on March 13, 2026, bringing updates to tracking protection, IP privacy, and enterprise network security policies. One …
Hackers tried to breach Poland’s nuclear research centre
Poland’s National Centre for Nuclear Research (NCBJ) thwarted a cyberattack targeting its IT infrastructure. The attempted intrusion was detected and blocked before attackers …
45,000 malicious IP addresses taken down, 94 suspects arrested
An international law enforcement operation has taken down more than 45,000 malicious IP addresses and servers linked to phishing, malware, and ransomware activity. The action …
Certificate lifespans are shrinking and most organizations aren’t ready
The push for shorter TLS certificate lifespans has been building for years. It started with Google’s internal push toward 90-day certificates, which gained traction inside the …
What smart factories keep getting wrong about cybersecurity
In this Help Net Security interview, Packsize CSO Troy Rydman breaks down the biggest vulnerabilities in smart factory environments today, from IoT devices and legacy systems …
VulHunt: Open-source vulnerability detection framework
Binarly has published VulHunt Community Edition, making the core scanning engine from Binarly’s commercial Transparency Platform available to independent researchers and …
Fake scandal clips on Facebook bait victims into investment scams
Bitdefender researchers uncovered hundreds of scam campaigns promoted through Facebook ads that use fake news stories, celebrity impersonation, and redirect chains to funnel …
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