On the 6th, before 6:30 p.m. Japan time, a group of pro-Russian hackers who claimed to have carried out cyberattacks on websites run by the Japanese government said on social media that they had declared war on the entire Japanese government. I posted a video.
On the 6th, the pro-Russian hacker group "Kilnet" claimed to have launched a cyber attack on the sites of the Japanese government and companies on SNS.
Furthermore, before 6:30 pm Japan time on the 7th, a video was posted on SNS in which a person wearing a mask made a claim.
The video has Japanese subtitles and says, "Russia protects its people from European values and a dangerous game invented by the United States. The Japanese are still campaigning against Russia! A declaration of war,” he said.