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Salt Typhoon, the China-linked APT group that has a penchant for targeting telecommunications companies, has been spotted trying to sneak into yet another one. The intrusion “Darktrace observed activity in a European telecommunications organisati…
Most research on LLM privacy has focused on the wrong problem, according to a new paper by researchers from Carnegie Mellon University and Northeastern University. The authors argue that while most technical studies target data memorization, the bigges…
In this Help Net Security video, Carol Lee Hobson, CISO at PayNearMe, explores the realities behind the so-called cybersecurity “talent gap.” She explains why the issue is as much about hiring practices as it is about skills shortages, and offers pract…
Threat actors have leveraged a recently patched IOS/IOS XE vulnerability (CVE-2025-20352) to deploy Linux rootkits on vulnerable Cisco network devices. “The operation targeted victims running older Linux systems that do not have endpoint detectio…
By revoking 200 software-signing certificates, Microsoft has hampered the activities of Vanilla Tempest, a ransomware-wielding threat actor that has been targeting organizations with malware posing as Microsoft Teams. “In this campaign, Vanilla T…
Spam has long been a nuisance in blockchain networks, clogging transaction queues and driving up fees. A new research paper from Delft University of Technology introduces a decentralized solution called STARVESPAM that could help nodes in permissionles…
In this Help Net Security video, Paul Laudanski, Director of Research at Onapsis, discusses key lessons from the SAP zero-day vulnerability. He explains why business-critical systems like ERP and CRM remain top targets for attackers, since they hold va…
CISA has added CVE-2025-54253, a misconfiguration vulnerability in Adobe Experience Manager (AEM) Forms on Java Enterprise Edition (JEE), to its Known Exploited Vulnerabilities catalog, thus warning of detected in-the-wild exploitation. Adobe fixed the…
Researchers have revealed a new security blind spot in how LLM applications connect to external systems. Their study shows that malicious Model Context Protocol (MCP) servers can quietly take control of hosts, manipulate LLM behavior, and deceive users…
Effective insider threat defense begins with candidate vetting. Background checks and reference calls can confirm elements of an applicant’s history, but they rarely surface the deeper risks that can turn into costly problems down the line. Identity ve…