# Thegentlemen group claims Royal Thai Air Force breach

Published: 2026-10-10 · Severity: high · Sectors: defense, government-national
Canonical: https://vorant.io/reports/d61c3720-10c6-526c-a472-1c4af147eda3/thegentlemen-group-claims-royal-thai-air-force-breach

> Ransomware group 'thegentlemen' listed the Royal Thai Air Force as a victim on its leak site, claiming large-scale credential compromise.

This is a victim listing entry from a ransomware leak-site tracking service (ransomware.live), indicating that the ransomware group operating under the name 'thegentlemen' has claimed the Royal Thai Air Force as a victim. The posting cites figures from infostealer-derived intelligence (via Hudson Rock) rather than details of the ransomware intrusion itself: 1,323 compromised employee records, 816 compromised users, 450 third-party employee credentials, and 190 external attack surface items associated with the victim's domain.

The article provides no technical details about the initial access vector, encryption method, ransom demand, or data exfiltrated by the threat actor. It appears to be an automated or lightly-detailed listing rather than an in-depth report. The emphasis on infostealer-related statistics suggests that credential theft via infostealer malware may have contributed to or preceded the ransomware incident, a common pattern where stolen credentials from employee or third-party systems are leveraged for initial access or lateral movement.

Defenders in the defense/government sector, particularly those with ties to Thai military or government infrastructure, should treat this as an indicator of ongoing targeting by the thegentlemen ransomware group. Recommended actions include auditing for exposed/leaked credentials (especially third-party contractor accounts), monitoring for infostealer infections among staff and partners, reviewing external attack surface exposure, and verifying the current status of the claimed breach directly with official Royal Thai Air Force channels, since ransomware leak-site claims are not independently verified in this listing.

## Mentioned in this report

- Threat actors: The Gentlemen

Source reporting: https://www.ransomware.live/id/Um95YWwgVGhhaSBBaXIgRm9yY2VAdGhlZ2VudGxlbWVu

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