Security News > 2025 > May

Artificial intelligence (AI) company Anthropic has revealed that unknown threat actors leveraged its Claude chatbot for an "influence-as-a-service" operation to engage with authentic accounts...

No MFA? No problem – as long as you show you’ve learned your lesson The UK's data protection overlord is not going to pursue any further investigation into the British Library's 2023 ransomware attack.…

For over a decade, application security teams have faced a brutal irony: the more advanced the detection tools became, the less useful their results proved to be. As alerts from static analysis...

Russian companies have been targeted as part of a large-scale phishing campaign that's designed to deliver a known malware called DarkWatchman. Targets of the attacks include entities in the...

Enterprise data backup platform Commvault has revealed that an unknown nation-state threat actor breached its Microsoft Azure environment by exploiting CVE-2025-3928 but emphasized there is no...

In this Help Net Security interview, Steven Furnell, Professor of Cyber Security at the University of Nottingham, illustrates how small and medium-sized businesses (SMEs) must reassess their risk...

SonicWall has revealed that two now-patched security flaws impacting its SMA100 Secure Mobile Access (SMA) appliances have been exploited in the wild. The vulnerabilities in question are listed...

Machine identities are multiplying fast, and many organizations are struggling to keep up. In this Help Net Security interview, Wendy Wu, CMO at SailPoint, explains why machine identity security...

This month’s roundup features exceptional open-source cybersecurity tools that are gaining attention for strengthening security across various environments. GoSearch: Open-source OSINT tool for...

RSAC 2025 showcased a wave of innovation, with vendors unveiling technologies poised to redefine cybersecurity. From AI-powered defense to breakthroughs in identity protection, this year’s...