Malware, attack campaigns, APT groups
Threats
Singapore's Cyber Security Agency (CSA) has disclosed that the China-linked cyber espionage group UNC3886 conducted a deliberate campaign against the country's entire telecommunications sector, targeting all four major operators — M1, SIMBA Telecom, Singtel, and StarHub. The disclosure follows comments made over six months ago by
Threats
Recorded Future's Insikt Group has published a comprehensive analysis of Rublevka Team, a Russian cybercriminal operation that has generated over $10 million in cryptocurrency theft since 2023 through an affiliate-driven wallet draining ecosystem. Unlike traditional crypto-stealing operations that rely on infostealer malware, Rublevka Team deploys custom
Threats
Huntress has published details of a February 2026 intrusion where threat actors leveraged compromised SonicWall SSLVPN credentials to access a victim network, then deployed a custom EDR killer that abuses a legitimate Guidance Software (EnCase) forensic driver to terminate security processes from kernel mode. The attack was disrupted before ransomware
Threats
Palo Alto Networks' Unit 42 has published a major investigation into a newly identified cyberespionage group it tracks as TGR-STA-1030, also known as UNC6619. The group — assessed with high confidence to be state-aligned and operating out of Asia — has compromised at least 70 organizations across 37
Threats
LockBit 5.0 has introduced cross-platform ransomware payloads capable of hitting Windows, Linux, and VMware ESXi environments in a single campaign, according to analysis of 19 samples published by LevelBlue. The release marks a significant technical evolution for the RaaS operation, with specialized routines designed to maximize damage across
Threats
ShadowSyndicate, a cybercrime cluster first identified in 2023, has been caught using a server transition technique designed to obscure operational continuity across its infrastructure — but OPSEC failures have given researchers visibility into the group's C2 network. Group-IB confirmed two additional SSH fingerprints linked to ShadowSyndicate operations in
Threats
FortiGuard Incident Response has documented a new tool in Interlock ransomware's arsenal — a bring-your-own-vulnerable-driver (BYOVD) process killer that abuses a zero-day vulnerability in a gaming anti-cheat kernel driver to terminate EDR and AV processes before ransomware deployment. The activity was observed during
Threats
Sysdig's Threat Research Team has published a detailed analysis of a cloud intrusion in which a threat actor went from stolen credentials to full AWS administrative access in under 10 minutes — with strong indicators that large language models were used throughout the operation to automate reconnaissance, generate exploitation
Threats
Daylight Security has published findings from a real-world intrusion in which BlueNoroff — the financially motivated subgroup of North Korea's Lazarus Group — used live social engineering over Microsoft Teams to compromise a macOS endpoint, steal Keychain credentials, and stage data for exfiltration. The entire attack was operator-driven
Threats
A months-long offensive investigation by Red Asgard's threat research team has produced one of the most detailed public examinations of North Korea's Contagious Interview campaign infrastructure ever published. The findings — spanning four malware families, approximately 20 previously undocumented C2 servers, a novel binary protocol, and
Threats
Chinese state-sponsored threat actors compromised the update infrastructure for Notepad++, the popular open-source text editor with tens of millions of Windows users, and maintained access for nearly six months while selectively targeting victims with malicious updates. The Notepad++ development team confirmed the breach today, stating that attackers intercepted
Threats
Mandiant has published a detailed analysis of an escalation in threat activity linked to ShinyHunters-branded extortion operations. The campaigns leverage evolved voice phishing (vishing) techniques and victim-branded credential harvesting pages to compromise single sign-on credentials and enroll unauthorized devices into victim MFA solutions — enabling access to cloud