Ransomware incidents in Japan in the first half of 2026: Investigation of The Gentlemen’s infrastructure and evidence of Qilin's AI use

<ul><li>Compared with the same period last year, ransomware incidents in Japan increased slightly by approximately 4.7%, indicating that ransomware continues to pose a significant threat.</li><li>In Japan, The Gentlemen was the most active ransomware group in the first half of 2026.</li><li>Attackers continue to primarily target small- and medium-sized enterprises, with organizations capitalized a