Russia-linked group claims cyberattack on Japanese video site niconico

A Russia-linked hacking group claimed responsibility for a recent cyberattack that crippled major Japanese video streaming website niconico, posting a statement on the dark web Thursday.It was not immediately clear whether the statement by the group purporting to be BlackSuit ransomware gang was true or not.The hackers threatened that they have gained access to "very personal information regarding Japanese citizens" and "everything will go public" on Monday unless Kadokawa Corp., the parent company of niconico operator Dwango Co., pays a ransom.Kadokawa, a major Japanese publisher, declined…READ FULL ARTICLE