Introduction In March 2025, we discovered Operation ForumTroll, a series of sophisticated cyberattacks exploiting the CVE-2025-2783 vulnerability in Google Chrome. We previously detailed the malicious implants used in the operation: the LeetAgent backdoor and the complex spyware Dante, developed by Memento Labs (formerly Hacking Team). However, the attackers behind thisRead More »Operation ForumTroll continues: Russian political scientists targeted using plagiarism reports

A new campaign named GhostPoster has leveraged logo files associated with 17 Mozilla Firefox browser add-ons to embed malicious JavaScript code designed to hijack affiliate links, inject tracking code, and commit click and ad fraud. The extensions have been collectively downloaded over 50,000 times, according to Koi Security, which discoveredRead More »GhostPoster Malware Found in 17 Firefox Add-ons with 50,000+ Downloads

An ongoing campaign has been observed targeting Amazon Web Services (AWS) customers using compromised Identity and Access Management (IAM) credentials to enable cryptocurrency mining. The activity, first detected by Amazon’s GuardDuty managed threat detection service and its automated security monitoring systems on November 2, 2025, employs never-before-seen persistence techniques toRead More »Compromised IAM Credentials Power a Large AWS Crypto Mining Campaign

Cybersecurity researchers have discovered a new malicious NuGet package that typosquats and impersonates the popular .NET tracing library and its author to sneak in a cryptocurrency wallet stealer. The malicious package, named “Tracer.Fody.NLog,” remained on the repository for nearly six years. It was published by a user named “csnemess” onRead More »Rogue NuGet Package Poses as Tracer.Fody, Steals Cryptocurrency Wallet Data

Direct navigation — the act of visiting a website by manually typing a domain name in a web browser — has never been riskier: A new study finds the vast majority of “parked” domains — mostly expired or dormant domain names, or common misspellings of popular websites — are nowRead More »Most Parked Domains Now Serving Malicious Content