The number of personal information leaks from companies listed on Japanese stock exchanges, as well as their subsidiaries, rose by 30% in 2021 from the previous year to a record 137 cases, according to a corporate research agency.
Tokyo Shoko Research said in a report that over 50% or 68 of the data breaches were caused by malware or unauthorized access. It said the number of cyberattacks rose for the third straight year.
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