ALTDOS
ALTDOS is a threat actor group, tracked by Brandefense. It targets 3 sectors, including Finance and Healthcare, in 4 countries, including Thailand and Malaysia.
- Techniques
- 0
- Exploited CVEs
- No CVE data
- First seen
- Dec 4, 2020
- Last seen
- Feb 1, 2025
- Record updated
Who They Target.
Arsenal · Malware And Tools.
- CobaltStrikemalware
- SQLMapmalware
About ALTDOS.
ALTDOS is a threat actor group that has targeted entities in Southeast Asia, including Singapore, Thailand, and Malaysia. They have been involved in data breaches of companies in various sectors, such as real estate and retail, compromising sensitive information like customer names, bank account numbers, and transaction details. ALTDOS uses tactics like ransomware attacks, data exfiltration, and dumping data publicly or for sale on underground forums. The group has been known to demand ransom payments from victims, but also leaks data if demands are not met.
Last updated Oct 19, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.