DDoS attack

Ukraine's Security Service neutralizes over 16,000 Russian cyberattacks since start of full-scale war

Ukraine's SBU Security Service has neutralized more than 16,000 Russian cyberattacks and cyber incidents since the beginning of Russia's full-scale war against Ukraine, the head of the SBU's Cyber Security Department, Brig. Gen. Volodymyr Karasteliov, said on July 1. Some of the attacks targeted Ukrainian media outlets.

1 July, 06:25 PM

Cyber retaliation by Ukraine’s HUR paralyzes Russian election servers — NV sources

In response to illegal elections held in temporarily occupied Ukrainian territories, cyber specialists from Ukraine’s HUR military intelligence agency launched a large-scale attack on the digital infrastructure of Russia’s Central Election Commission on Sept. 14, 2025 — the so-called “single voting day.”

15 September 2025, 01:14 PM

Ukraine’s Main Intelligence Directorate hacks Russian tax and customs services

Cyber specialists of Ukraine’s Main Intelligence Directorate carried out successful cyberattacks on the Russian tax and customs service from June 10 to 12, temporarily paralyzing internal document flow, sources in Ukrainian intelligence told NV on June 13.

13 June 2025, 02:00 PM

Massive cyberattack hits Poland's state registry system

A large-scale cyberattack targeted Poland’s state registry system, RMF FM reported on April 30.

30 April 2025, 04:00 PM

Ukraine’s DDoS attack cripples Russia’s Gazprombank

Ukraine’s Main Intelligence Directorate (HUR) carried out a large-scale cyber attack on Russia's third-largest bank, Gazprombank, according to NV source within the agency.

5 December 2024, 11:13 AM

Ukraine's military intelligence paralyzes operations of Russian banks in Crimea with DDoS attack

Cyber specialists from Ukraine's Main Intelligence Directorate (HUR) have conducted a massive cyberattack on four Russian banks operating illegally in the temporarily occupied Crimea, sources in the special services told NV on Nov. 1.

1 November 2024, 06:50 PM

Widespread Russian outage takes down social networks and online services

Russia experienced widespread service outages, affecting everything from messaging apps to porn sites and crash trackers on Aug. 21, The Moscow Times reports.

21 August 2024, 05:07 PM

Ukrainian Monobank survives massive cyber attack, service unaffected

The "more than 7.5 billion service requests over three says" DDoS attack that hit Ukrainian bank Monobank has finally stopped, co-founder Oleh Horohovskyi reported on Telegram on Aug. 19.

19 August 2024, 01:16 PM

Ukrainian intelligence cyberattack cripples telecom networks in Russian-occupied territories

A large-scale cyberattack by Ukraine’s Main Intelligence Directorate (HUR) in late May left more than 250,000 subscribers in the temporarily occupied territories, mainly in Crimea, without communication, a source in the agency told NV.

1 July 2024, 04:19 PM

DDoS attack