Cybersecurity researchers have disclosed details of a new botnet loader called Aeternum C2 that uses a blockchain-based command-and-control (C2) infrastructure to make it resilient to takedown efforts. “Instead of relying on traditional servers or domains for command-and-control, Aeternum stores its instructions on the public Polygon blockchain,” Qrator Labs said inRead More »Aeternum C2 Botnet Stores Encrypted Commands on Polygon Blockchain to Evade Takedown

A previously undocumented threat activity cluster has been attributed to an ongoing malicious campaign targeting education and healthcare sectors in the U.S. since at least December 2025. The campaign is being tracked by Cisco Talos under the moniker UAT-10027. The end goal of the attacks is to deliver a never-before-seenRead More »UAT-10027 Targets U.S. Education and Healthcare with Dohdoor Backdoor

Nothing here looks dramatic at first glance. That’s the point. Many of this week’s threats begin with something ordinary, like an ad, a meeting invite, or a software update. Behind the scenes, the tactics are sharper. Access happens faster. Control is established sooner. Cleanup becomes harder. Here is a quickRead More »ThreatsDay Bulletin: Kali Linux + Claude, Chrome Crash Traps, WinRAR Flaws, LockBit & 15+ Stories

Introduction: Steal It Today, Break It in a Decade Digital evolution is unstoppable, and though the pace may vary, things tend to fall into place sooner rather than later. That, of course, applies to adversaries as well. The rise of ransomware and cyber extortion generated funding for a complex andRead More »Expert Recommends: Prepare for PQC Right Now

A “coordinated developer-targeting campaign” is using malicious repositories disguised as legitimate Next.js projects and technical assessments to trick victims into executing them and establish persistent access to compromised machines. “The activity aligns with a broader cluster of threats that use job-themed lures to blend into routine developer workflows and increaseRead More »Microsoft Warns Developers of Fake Next.js Job Repos Delivering In-Memory Malware