Ukraine says the country's hackers carried out a cyberattack that took down the online broadcasts of 20+ Russian broadcasters on Vladimir Putin's 72nd birthday (Olesia Safronova/Bloomberg)

Olesia Safronova / Bloomberg: Ukraine says the country's hackers carried out a cyberattack that took down the online broadcasts of 20+ Russian broadcasters on Vladimir Putin's 72nd birthday  —  - Russian state media reported ‘unprecedented’ cyberattack  — Disruption coincided with Russian president's 72nd birthday

Ukraine says the country's hackers carried out a cyberattack that took down the online broadcasts of 20+ Russian broadcasters on Vladimir Putin's 72nd birthday (Olesia Safronova/Bloomberg)

Olesia Safronova / Bloomberg:
Ukraine says the country's hackers carried out a cyberattack that took down the online broadcasts of 20+ Russian broadcasters on Vladimir Putin's 72nd birthday  —  - Russian state media reported ‘unprecedented’ cyberattack  — Disruption coincided with Russian president's 72nd birthday