Cybersecurity experts are zeroing in on a familiar name as the possible culprit in a massive cyberattack on Tuesday. The attack, dubbed Petya, used a powerful and dangerous cyberweapon created by the US National Security Agency. Ukraine was hardest hit by the attack, which came one day before the country’s Constitution Day. Experts say it seems as though a confluence of factors may be pointing to Russian state involvement in carrying out the attack. Russia and Ukraine’s rocky relationship has been well-documented, and it has seen a steep decline since Russia annexed Crimea.”]
Source: https://www.businessinsider.com/petya-cyber-attack-who-is-responsible-russia-europe-ukraine-2017-6