GMO Internet Group, which is facing off with a hacker group holding its clients’ personal data hostage, said Thursday that its cybersecurity team found critical information that could help identify the perpetrators.

The company also received 270 tips within the first day of it announcing a $1 million bounty for information leading to the arrest of the hackers who stole its clients’ data. GMO said the bounty would remain active for a year, or until the perpetrator is arrested or placed on an international wanted list.

“In order to ensure a speedy arrest or the issuance of an international wanted notice, we have submitted the information to the police and other relevant parties,” GMO Internet Group CEO Masatoshi Kumagai said in a post on X.

The hacker group has remained mum — at least publicly — since the website it used to leak the personal information of GMO clients was taken down early Wednesday.

As a show of government intervention, on Tuesday the Internal Affairs and Communications Ministry reportedly…