Cyber warfare

Pierluigi Paganini December 10, 2025
New EtherRAT backdoor surfaces in React2Shell attacks tied to North Korea

NK-linked hackers are likely exploiting the React2Shell flaw to deploy a newly discovered remote access trojan, dubbed EtherRAT. North Korea–linked threat actors are likely exploiting the new critical React2Shell flaw (CVE-2025-55182) to deploy a previously unknown remote access trojan called EtherRAT, Sysdig researchers warn. The vulnerability CVE-2025-55182, is a pre-authentication remote code execution issue in React […]

Pierluigi Paganini December 05, 2025
BRICKSTORM backdoor exposed: CISA warns of advanced China-backed intrusions

CISA details BRICKSTORM, a China-linked backdoor used by China-linked APTs to secure long-term persistence on compromised systems. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has disclosed technical details on BRICKSTORM, a backdoor used by China state-sponsored threat actors to gain and maintain long-term persistence on compromised systems, highlighting ongoing PRC cyber-espionage activity. “The Cybersecurity […]

Pierluigi Paganini December 03, 2025
Researchers spotted Lazarus’s remote IT workers in action

Researchers exposed a Lazarus scheme using remote IT workers tied to North Korea’s Famous Chollima APT group in a joint investigation. Researchers filmed Lazarus APT group’s remote-worker scheme in action, uncovering a North Korean network of IT contractors linked to the Famous Chollima unit, TheHackerNews reported. Recently, multiple cybersecurity firms and government agencies observed North […]

Pierluigi Paganini November 20, 2025
Cyber-enabled kinetic targeting: Iran-linked actor uses cyber operations to support physical attacks

Iran-linked actors mapped ship AIS data ahead of a missile strike attempt, highlighting the rise of cyber operations enabling real-world attacks. Iran-linked threat actors mapped ship Automatic Identification System (AIS) data shortly before an attempted missile strike, showing how Tehran-aligned groups use cyber operations to support and amplify real-world kinetic attacks. The research demonstrates that […]

Pierluigi Paganini November 17, 2025
North Korean threat actors use JSON sites to deliver malware via trojanized code

North Korean Contagious Interview actors now host malware on JSON storage sites to deliver trojanized code projects, NVISO reports. North Korea-linked actors behind the Contagious Interview campaign have updated their tactics, using JSON storage services (e.g. JSON Keeper, JSONsilo, and npoint.io) to host and deliver malware through trojanized code projects, according to a new NVISO report. “NVISO […]

Pierluigi Paganini November 16, 2025
Five admit helping North Korea evade sanctions through IT worker schemes

Five pleaded guilty to aiding North Korea ’s illicit revenue via IT worker fraud, violating international sanctions. The U.S. Department of Justice announced that five people have pleaded guilty to helping North Korea secretly generate revenue by running illegal IT-worker schemes that violated international sanctions. The individuals – Audricus Phagnasay (24), Jason Salazar (30), Alexander […]

Pierluigi Paganini November 16, 2025
Anthropic: China-backed hackers launch first large-scale autonomous AI cyberattack

China-linked actors used Anthropic’s AI to automate and run cyberattacks in a sophisticated 2025 espionage campaign using advanced agentic tools. China-linked threat actors used Anthropic’s AI to automate and execute cyberattacks in a highly sophisticated espionage campaign in September 2025. The cyber spies leveraged advanced “agentic” capabilities rather than using AI only for guidance. Attackers […]

Pierluigi Paganini November 12, 2025
Australia’s spy chief warns of China-linked threats to critical infrastructure

Australia’s spy chief warns China-linked actors are probing critical infrastructure and preparing for cyber sabotage and espionage. Australia’s intelligence chief Mike Burgess warned that China-linked threat actors are probing critical infrastructure and, in some cases, have gained access. He said at least two Chinese state-sponsored groups are positioning themselves for future sabotage and espionage operations […]

Pierluigi Paganini November 11, 2025
North Korea-linked Konni APT used Google Find Hub to erase data and spy on defectors

North Korea-linked APT Konni posed as counselors to steal data and wipe Android phones via Google Find Hub in Sept 2025. Genians Security Center researchers warn that the North Korea-linked Konni APT group (aka Kimsuky, Earth Imp, TA406, Thallium, Vedalia, and Velvet Chollima) posed as counselors to hack Android and Windows, stealing data and wiping phones […]

Pierluigi Paganini November 08, 2025
China-linked hackers target U.S. non-profit in long-term espionage campaign

A China-linked group targeted a U.S. non-profit to gain long-term access, part of wider attacks on U.S. entities tied to policy matters. China-linked hackers breached a U.S. policy-focused nonprofit in April 2025, maintaining weeks of access. They used DLL sideloading via vetysafe.exe, a tactic used by other Chinese APT groups like Space Pirates, Kelp, and […]