Latest cybersecurity reporting from selected sources.

Ukraine’s SSU and the FBI Just Confirmed Russian Intelligence Has Been Systematically Hacking Messenger Accounts for Years. The Security Service of Ukraine (SSU), working jointly with the FBI, has formally exposed a sustained Russian intelligence campaign targeting the messaging accounts of government officials, military personnel, politicians, and activists across Ukraine, Europe, and the United States. […]

The Security Service of Ukraine (SSU) said it, together with the U.S. Federal Bureau of Investigation (FBI), uncovered a long-running campaign orchestrated by Russian intelligence services to break into the messaging accounts of government officials, military personnel, politicians, and activists in Ukraine, Europe, and the U.S

The Russian state-sponsored threat actor known as Turla has been attributed to a previously undocumented .NET backdoor called STOCKSTAY that has been deployed against government and military organizations in Ukraine, and entities that have an interest in Italian foreign policy

Two separate campaigns target CVE-2025-8088, fixed last July, to conduct data theft and cyberespionage against military and government targets in Ukraine.

GREYVIBE, a Russia-linked group active since 2025, targets Ukraine with AI-assisted malware and five attack chains. Researchers say it’s part spy op, part crime gang. Security firm WithSecure has been tracking a previously unknown Russian-linked APT group called GREYVIBE since at least August 2025. The group targets Ukraine and Ukrainian-related organizations across military, government, civilian, […]

Researchers say 'GREYVIBE' crew used AI tools throughout a campaign targeting Ukrainian military and government

Hackers part of APT28, a state-backed threat group linked to Russia's military intelligence service (GRU), are exploiting a Zimbra Collaboration Suite (ZCS) vulnerability in attacks targeting Ukrainian government entities. [...]

The Russian state-sponsored hacking group tracked as APT28 has been observed using a pair of implants dubbed BEARDSHELL and COVENANT to facilitate long‑term surveillance of Ukrainian military personnel

A previously undocumented threat actor has been attributed to attacks targeting Ukrainian organizations with malware known as CANFAIL

The Russia-aligned threat actor known as UAC-0184 has been observed targeting Ukrainian military and government entities by leveraging the Viber messaging platform to deliver malicious ZIP archives

Widely Used ukr.net Is a Repeat Focus for APT28 Cyberespionage OperationsDon't expect cyber spies to respect distinctions between military and civilian networks, especially in times of war, warn researchers tracking persistent Russian military intelligence credential-harvesting attacks against users of Ukraine's popular, commercial UKR.NET webmail platform.

Numerous Attacks Designed and Timed 'to Amplify the Impact of Kinetic Strikes'Russia in the first half of this year markedly increased the tempo of its cyberattacks targeting Ukraine, with defenders cataloging 3,000 cybersecurity incidents, largely targeting the military, government, local authorities and energy sector, often timed to amplify the impact of kinetic attacks.

Leaders of the Russian Military Intelligence Units of the GRU Also TargetedThe U.K. government on Friday sanctioned three Russian Military Intelligence Service units 29155, 26165 and 74455 in the United Kingdom and Ukraine. The sanctions also targeted 18 Russian officials for their role in GRU cyber operations dating back to 2013.

Oh my sweet secret informant lover, what happened in that NATO meeting today? A lovestruck US Air Force employee has pleaded guilty to conspiring to transmit confidential national defense information after sharing military secrets information about the Russia-Ukraine war with a woman he met on a dating app.…

Drones are not enough Following a daring drone attack on Russian airfields, Ukrainian military intelligence has reportedly also hacked the servers of Tupolev, the Kremlin's strategic bomber maker.…

A real-world Trojan Horse attack Ukraine claims it launched a cunning drone strike on Sunday against multiple Russian airbases, hitting over 40 military aircraft and inflicting an estimated $7 billion in damage, in an operation dubbed "Spiderweb."…

New Cyber and Electromagnetic Command Pitched as Lessons Learned from UkraineThe United Kingdom pledged Thursday one billion pounds for a military "Digital Targeting Web" the government said will enable quick fire targeting of enemy assets, including through offensive cyber operations. "Ways of warfare are rapidly changing," said Defense Secretary John Healy.

Russian cyber threat actors have been attributed to a state-sponsored campaign targeting Western logistics entities and technology companies since 2022

The Russian state-backed hacking group Gamaredon (aka "Shuckworm") has been targeting a military mission of a Western country in Ukraine in attacks likely deployed from removable drives. [...]

The Russia-linked threat actor known as Gamaredon (aka Shuckworm) has been attributed to a cyber attack targeting a foreign military mission based in Ukraine with an aim to deliver an updated version of a known malware called GammaSteel