Japan Data Breaches 2026: Inside the October Surge

Reported by SOCRadar (Ameer Owda)

Summary by Cyber Security News20 Oct 2026, 14:04 CET

About this summary. This is a short excerpt from the description that SOCRadar published with its article. Cyber Security News did not report or verify the underlying story. Read the original: https://socradar.io/blog/japan-data-breaches-2026-inside-the-october-surge/

Japan is facing a dense wave of breach disclosures. Since late September, at least 20 major Japanese companies have reported breaches, including Times Car, Lawson, Yakiniku King, Sourcenext and Burger King Japan, and a ransomware attack on SoftBank’s IDC Frontier cloud took 495 customer organizations offline.

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