In April, Australia's foreign intelligence agency warned that backing Ukraine could open the country up to reprisals from Russian hackers.
US officials claimed that a Russian effort is underway to conduct “a false-flag operation” in eastern Ukraine amid rising tensions.
Announcement came the same day the United States released intelligence findings suggesting Russia is planning a sabotage operation to create a pretext to invade Ukraine.
A ransomware attack was launched on Kaseya, a Miami-based information technology and security consultancy firm, setting off a chain reaction that quickly paralysed the computers of hundreds of firms worldwide.
US President Biden orders full investigation, saying "the initial thinking was it was not the Russian government, but we're not sure yet."
Software supplier Kaseya urges customers to shut down their servers as cyber-attackers believed to be from REvil gang smuggle ransomware onto its network platform.
Iran’s President Hassan Rouhani says Tehran has decided on starting advanced centrifuges and refined uranium to make Israel understand it cannot stop the country from using nuclear technology.
Iran’s Foreign Ministry says sabotage of Natanz nuclear site is an Israeli act that Tehran would avenge, as Israel’s media reports, citing unnamed intelligence agency, that Tel Aviv is behind cyberattack that caused the blackout.
The 17-year-old Tampa, Florida resident was arrested last week along with two others, aged 19 and 22, for hijacking dozens of high-profile Twitter accounts last month.
The National Cyber Security Centre said the attacks by the group APT29 were ongoing but targets have so far included UK, US and Canadian vaccine research and development organisations.
Australian Prime Minister Scott Morrison said in a media briefing that cyberattacks have targeted all levels of the government, political organisations, essential service providers and operators of other critical infrastructure.
Speaking at Chatham House in London, UAE's foreign minister also denied a Washington Post report saying that his country had been behind an alleged cyberattack on Qatar.
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