Russia-Aligned UAC-0099 Plants Nuclear Weapon Prompt in Malware to Disrupt AI Analysis

Cybersecurity researchers have disclosed a new technique dubbed GuardBreaker that's been put to use by a Russia-aligned threat actor known as UAC-0099 against a target in Ukraine with an aim to interfere with artificial intelligence AI-assisted analysis. The idea, ESET said in a series of posts o...

7 States’ Water Systems Hit by Cyberattacks Likely Tied to Iran

Plus: The FBI eyes AI-powered tech to detect future crimes, Russia charges Telegram’s founder, xAI sues to stop a state’s “nudification” ban, and the Democrats learn a lesson about getting scammed...

Toy Ghouls’ new toy: the GenieLocker ransomware

Introduction The new GenieLocker ransomware family has been active since March 2026. It has been used in attacks against organizations in the Russian Federation, primarily in the manufacturing sector, and attributed to the Toy Ghouls group by open-source intelligence link in Russian. The Toy...

Russian Intelligence Hacks IP Cameras to Spy on Military Logistics Across NATO States and Ukraine

At least one Russian intelligence service is systematically hijacking internet-connected security cameras across Europe and Ukraine, using the feeds to watch military transport routes, weapons shipments bound for Kyiv, and the locations of Ukrainian troops. That is the finding of a cybersecurity...

Threat landscape for industrial automation systems. Q1 2026

All threats The percentage of ICS computers on which malicious objects were blocked continued to decrease, reaching 19.6% in Q1 2026. This is the lowest value in three years, and it is 1.4 times lower than in Q2 2023. Percentage of ICS computers on which malicious objects were blocked, Q2 2023–Q1...

FBI and Spanish Police Arrest Alleged Cyber Army of Russia Reborn Member

Spanish police and the FBI arrested an alleged Cyber Army of Russia Reborn member as international efforts against pro Russia cyberattacks continue worldwide...

Armored Likho Targets Government Agencies, Power Sector with BusySnake Stealer

A previously undocumented threat actor known as Armored Likho has been attributed to cyber attacks targeting government agencies and the electric power sector across Russia, Brazil, and Kazakhstan. "Armored Likho blends financially motivated campaigns targeting private individuals with targeted...

Armored Likho digging a snake pit: inside the covert BusySnake Stealer campaign

Introduction During our routine threat monitoring, we uncovered a new phishing campaign tied to a previously unknown APT group that we dubbed Armored Likho also known as Eagle Werewolf based on circumstantial evidence. This targeted campaign focuses heavily on government agencies and the electric...

Russia Used Cellebrite on Jailed Activist's iPhone Months After Sales Cutoff

Russian authorities used Cellebrite's UFED forensic tools to break into the iPhone of detained opposition activist Andrey Pivovarov in June 2021, three months after Cellebrite said it would stop selling its tools and services to Russia and Belarus. The finding, published June 25 by the Citizen La...

Dozens of malicious wallpapers found on Steam Workshop: gamers’ accounts at risk

Since late 2025, malware has been spreading rapidly through the Steam Workshop, the gaming platform's built-in service for players to create and share custom content. The attackers are primarily targeting gamers in China and Russia, aiming to hijack their accounts. To pull this off, they are...

Old WinRAR Flaw Fuels Attacks on Ukraine: How Unmanaged Software Keeps the Door Open

Two separate Russia-aligned campaigns are still exploiting the WinRAR flaw CVE-2025-8088 against Ukrainian organizations nearly a year after it was patched, showing how unmanaged software keeps an exploited entry point open long after the fix ships...

MAL-2026-5151 Malicious code in parsimonius (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: kam193 a5ab85a46a37da928774b1885049b71d40d675c54683b13711f4e371d932394a Clone of a legitimate package with an added RAT running through a Telegram bot. It can e.g. exfiltrate env variables and execute remote commands. The malicious...

Cloud Atlas activity in the second half of 2025 and early 2026: new tools and a new payload

In 2025, we observed pervasive SSH tunnel activity, which has remained active into 2026, affecting many government organizations and commercial companies in Russia and Belarus. Behind some of this activity is Cloud Atlas, a group we have known since 2014. During our investigation, we identified n...

Turla Turns Kazuar Backdoor Into Modular P2P Botnet for Persistent Access

The Russian state-sponsored hacking group known as Turla has transformed its custom backdoor Kazuar into a modular peer-to-peer P2P botnet that's engineered for stealth and persistent access to compromised hosts. Turla, per the U.S. Cybersecurity and Infrastructure Security Agency CISA, is assess...

Meet Rassvet, Russia’s Answer to Starlink

With the launch of the first 16 satellites, Russia begins construction of a network for satellite internet that aims to cover the entire country by 2030. But getting there won’t be easy...

Silver Fox Deploys ABCDoor Malware via Tax-Themed Phishing in India and Russia

The China-based cybercrime group known as Silver Fox aka Monarch, SwimSnake, The Great Thief of Valley, UTG-Q-1000, and Void Arachne has been linked to a new campaign targeting organizations in Russia and India with a new malware called ABCDoor. The activity involved using phishing emails that...

Silver Fox uses the new ABCDoor backdoor to target organizations in Russia and India

In December 2025, we detected a wave of malicious emails designed to look like official correspondence from the Indian tax service. A few weeks later, in January 2026, a similar campaign began targeting Russian organizations. We have attributed this activity to the Silver Fox threat group. Both...

PhantomCore Exploits TrueConf Vulnerabilities to Breach Russian Networks

A pro-Ukrainian hacktivist group called PhantomCore has been attributed to attacks actively targeting servers running TrueConf video conferencing software in Russia since September 2025. That's according to a report published by Positive Technologies, which found the threat actors to be leveragin...

State-sponsored threats: Different objectives, similar access paths

Across the Talos 2025 Year in Review, state-sponsored threat activity from China, Russia, North Korea, and Iran all had varying motivations, such as espionage, disruption, financial gain, and geopolitical influence. But when you look at how these operations actually unfold, similar tactics,...

Russian State-Linked APT28 Exploits SOHO Routers in Global DNS Hijacking Campaign

The Russia-linked threat actor known as APT28 aka Forest Blizzard has been linked to a new campaign that has compromised insecure MikroTik and TP-Link routers and modified their settings to turn them into malicious infrastructure under their control as part of a cyber espionage campaign since at...