Over 450m Cyberattacks Blocked During Tokyo Olympics and Paralympics

The NTT Corporation, Japan’s telecommunications provider during the 2021 Tokyo Olympics and Paralympic Games, said that more than 450 million cyberattacks were blocked during the events in July.

The number of attacks was 2.5 times more than in the 2012 London Summer Olympics, but NTT said that none of the observed attacks affected any of the events and that their cybersecurity operations were successful.

Andrea MacLean from NTT called the operations a “Herculean” effort. A high-profile sporting event like the Olympics was expected to attract a great deal of cybercriminals, MacLean noted.

Prior to the Games, NTT had forecasted in a threat assessment report that the events were prone to nation-wide cyberattacks, some of which could be state-sponsored from Russia, North Korea, and China as presumed from political tensions and attack history.

The Federal Bureau of Investigation in the U.S. had also released a notice before the Olympics that warned of cyberattacks against the events’ infrastructure, recalling a previous attack by Russian hackers into the 2018 Pyeongchang Winter Olympics.


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