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Cisco Talos reports rise in ransomware attacks in Japan

Cisco Talos has observed an almost 5 percent increase in ransomware cases in Japan during the first half of 2026. According to the report, two major ransomware groups are responsible for much of this rise. No other regions or attack types are discussed in detail in the report.

Why it mattersA continuing increase in ransomware attacks highlights persistent cybersecurity risks for Japanese organizations. Identifying responsible threat groups may help target defensive efforts.

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