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Hackers from the Ministry of Defense of Ukraine escalate "massive" cyberattacks on Russia's largest banks, prohibiting any cash or credit transactions. Cyberattacks also target Russian public transport systems, internet and mobile providers, and social networks.
2024-07-27

The National Health Service declares a "critical incident" after several hospitals in London, including King's College Hospital, say they have cancelled appointments and turned away patients after a cyberattack on their Synnovis IT systems.
2024-06-4

Killnet, a Russian hacker group, launches the largest cyberattack in the history of Latvia, targeting the country's public broadcaster. The broadcaster says that the attack was repelled.
2022-07-8

The Irish Health Service Executive shuts down its IT systems nationwide after a cyberattack involving ransomware.
2021-05-14

The Department of Energy confirms that it has been breached along with other federal government agencies, but says that the country's nuclear weapons arsenal has not been compromised. The mass data breach is now considered the worst ever cyberattack on the U.S. government.
2020-12-18

The European Medicines Agency announces that it has been cyberattacked and that an investigation is ongoing.
2020-12-9

A nationwide power blackout enters its second day in Venezuela. Information Minister Jorge Rodríguez and Defense Minister Vladimir Padrino López claim the country appears to be the victim of a cyberattack intended to "derail the whole system". Venezuelan National Assembly-declared Acting President Juan Guaidó stated that "state corruption and mismanagement (...) have left the electrical grid in shambles".
2019-03-8

Australian Prime Minister Scott Morrison announces the country's major political parties computer networks had been hacked by a "sophisticated state actor."
2019-02-17

Police in the United Kingdom are investigating a cyberattack on the Houses of Parliament after an attempt was made to gain unauthorised access to politicians' email accounts.
2017-06-24

CNET reports that a group of computer hackers is planning another cyberattack against Sony over its handling of the PlayStation Network outage.
2011-05-6