19 Apr, 2026

Russian hackers evolve malware pushed in “I am not a robot” captchas

The Russian state-backed Star Blizzard hacker group has ramped up operations with new, constantly evolving malware families (NoRobot, MaybeRobot) deployed in complex delivery chains that start with ClickFix social engineering attacks. Also known as ColdRiver, UNC4057, and Callisto, the Star Blizzard threat group abandoned the LostKeys malware less than a week after researchers published their analysis and leveraged the […]

4 mins read

Google links new LostKeys data theft malware to Russian cyberspies

Since the start of the year, the Russian state-backed ColdRiver hacking group has been using new LostKeys malware to steal files in espionage attacks targeting Western governments, journalists, think tanks, and non-governmental organizations. In December, the United Kingdom and Five Eyes allies linked ColdRiver to Russia’s Federal Security Service (FSB), the country’s counterintelligence and internal security service. […]

2 mins read

Star Blizzard hackers abuse WhatsApp to target high-value diplomats

Russian nation-state actor Star Blizzard has been running a new spear-phishing campaign to compromise WhatsApp accounts of targets in government, diplomacy, defense policy, international relations, and Ukraine aid organizations. According to a Microsoft Threat Intelligence report, the campaign was observed in mid-November 2024 and represents a tactical shift for Star Blizzard as a response to the recent exposure […]

2 mins read