Information security companies announced the results of their investigations on the status of cyber attacks around the world on the 8th.
He points out that urgent action is required as cyber attacks using malicious programs called "ransomware" and advanced attacks that are believed to be led by nations such as China and Russia are expanding.
"Ransomware" is a malicious program that automatically encrypts data when a computer is infected and demands a ransom to restore it, and companies and others are being damaged one after another in Japan.
Information security company "CrowdStrike" released the results of an analysis of the situation of cyber attacks in countries around the world including Japan on the 8th.
According to the report, the number of cyber attacks caused by "ransomware" confirmed by the company in various countries around the world last year was 2,686, an increase of 82% from the previous year.
In addition, as a result of tracking more than 170 attackers from all over the world, advanced attacks that seem to be led by nations such as China, Russia, North Korea, and Iran last year were confirmed by the company as a whole cyber attack. It accounts for 18% and is on the rise.
In addition, it is said that there are many attacks on companies that carry important infrastructure such as electricity and gas, and last year, the average time from the first confirmation of intrusion into a company's system until the attack spreads to other terminals in the company. Is 1 hour and 38 minutes, which is about half of the previous year, and points out that urgent action is required.
"CrowdStrike" officials said at a meeting on the 8th, "Russia's risk of cyber attacks is increasing as a retaliation for economic sanctions imposed by each country following the military invasion of Ukraine by Russia. The system is vulnerable. There is an urgent need to review whether or not there is sex. "