Tuesday, October 27, 2026Oct 27RSSby nabulinesFollow @nabu_lines
Hacks

GMO offers a bounty of up to about ¥150 million to find its attackers

Polymarket Japan's post on the reward drew about 2,234 likes.

Polymarket Japan@polymarketjapan on X
4.6kHacks
GMO offers a bounty of up to about ¥150 million to find its attackers (Security & hacks)
@polymarketjapan · Security & hacks

GMO is offering a reward for credible information that leads to identifying or arresting the people behind its cyber attack, or to solving the case, according to a Polymarket Japan breaking-news post.

The total is up to about ¥150 million. The program as a whole is capped at $1 million, and the yen figure is the company's reference conversion. A dedicated tip line opens October 28 at noon.

Why it mattersThe GMO breach has been running for days, with the attackers taunting the company in public. A cash bounty is an unusual escalation for a Japanese company.

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