- A Peek Into Muddled Libra’s Operational Playbook
February 10, 2026
During a September 2025 incident response investigation, Unit 42 discovered a rogue virtual machine (VM) which they believe with high confidence to be used by the cybercrime group Muddled Libra (aka Scattered Spider, UNC3944). The contents of this rogue VM and activity from the attack provide valuable insight into the operational playbook of this threat actor. ...
- Approaching cyclone: Vortex Werewolf attacks Russia
February 6, 2026
In December 2025 and January 2026, BI.ZONE Threat Intelligence detected malicious activity by a new cluster Vortex Werewolf (SkyCloak). The attacks targeted Russian government and defense organizations. BI.ZONE researchers findings indicate that the adversary used phishing emails to deliver malware to the target systems. Victims received messages containing a download link disguised as a Telegram file‑sharing ...
- The Chrysalis Backdoor: A Deep Dive into Lotus Blossom’s toolkit
February 2, 2026
Rapid7 Labs, together with the Rapid7 MDR team, has uncovered a sophisticated campaign attributed to the Chinese APT group Lotus Blossom. Active since 2009, the group is known for its targeted espionage campaigns primarily impacting organizations across Southeast Asia and more recently Central America, focusing on government, telecom, aviation, critical infrastructure, and media sectors. Rapid7 investigation ...
- Russia-linked APT28 attackers already abusing new Microsoft Office zero-day
February 2, 2026
Russia-linked attackers are already exploiting Microsoft’s latest Office zero-day, with Ukraine’s national cyber defense team warning that the same bug is being used to target government agencies inside the country and organizations across the EU. In an alert published on Sunday, CERT-UA says the activity is being driven by UAC-0001, better known as “APT28” or “Fancy ...
- North Korean Labyrinth Chollima is morphing into three separate entities
January 30, 2026
One of the largest and most successful North Korean state-sponsored threat actors has split into three separate entities, each with their own tactics, malware tools, targets, and goals, experts have warned. In a recent in-depth analysis, researchers from CrowdStrike expalined the move is a strategic evolution to make Labyrinth Chollima cyberattacks more efficient, and that the ...
- HoneyMyte updates CoolClient and deploys multiple stealers in recent campaigns
January 27, 2026
Over the past few years, we’ve been observing and monitoring the espionage activities of HoneyMyte (aka Mustang Panda or Bronze President) within Asia and Europe, with the Southeast Asia region being the most affected. The primary targets of most of the group’s campaigns were government entities. As an APT group, HoneyMyte uses a variety of sophisticated tools ...
- PeckBirdy: A Versatile Script Framework for LOLBins Exploitation Used by China-aligned Threat Groups
January 26, 2026
Since 2023, Trend Micro researchers have been observing threat campaigns employing a previously unseen script-based command-and-control (C&C) framework which we named PeckBirdy, being used against Chinese gambling industries, as well as malicious activities targeting Asian government entities and private organizations. While tracking this framework, Trend Micro identified at least two campaigns using PeckBirdy, which we were ...
- Researchers say Russian government hackers were behind attempted Poland power outage
January 23, 2026
A failed December effort to bring down parts of Poland’s energy grid was the work of Russian government hackers known for causing past energy disruptions, according to a security research firm that investigated the incident. Last week, Polish Energy Minister Milosz Motyka told reporters that the attempted cyberattack on December 29 and 30 saw hackers targeting ...
- North Korean Kimsuky Actors Leverage Malicious QR Codes in Spearphishing Campaigns Targeting U.S. Entities
January 8, 2026
The Federal Bureau of Investigation (FBI) is releasing this FLASH to alert NGOs, think tanks, academia, and other foreign policy experts with a nexus to North Korea of evolving tactics employed by the North Korean state-sponsored cyber threat group Kimsuky and to provide mitigation recommendations. As of 2025, Kimsuky actors have targeted think tanks, academic institutions, ...
- The HoneyMyte APT evolves with a kernel-mode rootkit and a ToneShell backdoor
December 29, 2025
In mid-2025, Kaspersky researchers identified a malicious driver file on computer systems in Asia. The driver file is signed with an old, stolen, or leaked digital certificate and registers as a mini-filter driver on infected machines. Its end-goal is to inject a backdoor Trojan into the system processes and provide protection for malicious files, user-mode ...