Personal information leaked or lost at listed companies, etc. “40.9 million people, the highest ever”.
There were eight cases in which more than 1 million people were leaked, including approximately 2.4 million people. Ransomware, a malicious program that encrypts files without permission and is used to demand ransom, was the most common cause. "There is a need for thorough implementation," says Tokyo Shoko Research. "Last year was characterized by a continued increase in damage from cyberattacks, which are on the rise"