What We Know
GMO Internet Group was hit by a cyberattack involving a system vulnerability that had remained open for more than two years, according to reporting that cites the company’s chief executive.2Backed by 2 sourcesenglish.kyodonews.netstraitstimes.com
Chairman and CEO Masatoshi Kumagai addressed the incident at a press conference in Tokyo on November 2, 2026, where he and other executives bowed in contrition.2Backed by 2 sourcesenglish.kyodonews.netstraitstimes.com
Source Comparison
Aligned reporting2 corroborates - 0 adds context - 0 conflicts
Corroborates
- english.kyodonews.net↗The report supports the account of a cyberattack involving a vulnerability open for more than two years and places Masatoshi Kumagai at a Tokyo press conference on November 2, 2026.
- straitstimes.com↗The report independently reproduces the central account, identifying the vulnerability as open for two years and describing Kumagai and other executives showing contrition at the Tokyo press conference.