Ukraine’s Defence Intelligence company (HUR) claims that its hackers have efficiently stolen secret information and categorized knowledge on a state-of-the-art Russian nuclear submarine, the “Knyaz Pozharsky.”
The “Knyaz Pozharsky” is nuclear-powered ballistic missile submarine, that was commissioned into the Russian Navy’s Northern Fleet at a shipyard in Severodvinsk throughout a ceremony overseen by Russian President Vladimir Putin on 24 July 2025.
The submarine options superior stealth amenities, designed to permit it to slide previous NATO defences, in addition to vital strike functionality.
Nonetheless, what ought to have been a present of Russia’s naval would possibly has seemingly changed into a significant intelligence embarrassment, with HUR sharing photographs in a Telegram publish of it what it claimed had been photographs of delicate data exfiltrated by the hackers, together with complete technical, personnel-related, and operational supplies.
The leaked paperwork reportedly embody:
- Fight manuals and each day operational schedules.
- Schematics of the submarine’s fight methods, survivability infrastructure, and inside crew hierarchy.
- Protocols for evacuating wounded on-board personnel, cargo transfers, and towing procedures.
- Full lists of crew names, together with their positions, {qualifications}, and bodily health ranges.
One leaked report included photographs of a broken communications buoy, full with feedback and signatures from engineers and naval contractors.
In accordance with media studies, the “Knyaz Pozharsky” is a Challenge 955A Borei‑A category submarine, and one of the superior components of Russia’s functionality to launch nuclear missiles from land, air, and sea.
In accordance with Ukraine’s officers, the leaked data doesn’t simply present intelligence of 1 vessel, however exposes broader vulnerabilities throughout all the fleet with “important technical shortcomings” revealed of the Borei-A (Challenge 955A) class submarine.
The implication of the alleged hack is that Ukraine – and doubtlessly its allies – might now have entry to delicate details about Russia’s newest nuclear submarines. As well as, Russia can be involved about its capability to safeguard its most respected army secrets and techniques.
Russian authorities haven’t issued any statements concerning the alleged safety breach, and no Western intelligence businesses or cybersecurity consultants have confirmed Ukraine’s claims.
However, if true, the alleged hack is the newest in a string of operations that Ukraine has carried out towards Russia’s strategic property, together with June’s “Operation Spiderweb”, which noticed a significant drone strike towards Russian airfields that succeeding in destroying a number of plane.
Information of the submarine leak has come simply days after President Donald Trump ordered two US nuclear submarines to be repositioned in response to what he describes as “extremely provocative” remarks from Russia’s former president Dmitry Medvedev.
