On 31 May 2025, threat actor embargo compromised rotaryeng.com.sg, a leading oil and gas infrastructure services company founded in 1972, exfiltrating over 4 TB of data. The incident impacted Singapore.
Incident Details
- Victim: rotaryeng.com.sg
- Country: SG
- Actor: embargo
- Source: http://embargobe3n5okxyzqphpmk3moinoap2snz5k6765mvtkk7hhi544jid.onion/#/post/a78b27a9-206a-4012-a171-594c9ecfc3e1
- Discovered: 2025-06-10 20:19:28.906044
- Published: 2025-06-10 18:24:58.106465
Information
- Hacked rotaryeng.com.sg on 31 May 2025 and exfiltrated over 4 TB of data.
- The group responsible is identified as Embargo.
- Rotary is a prominent oil and gas infrastructure services company founded in 1972 with extensive international experience.
- This disclosure marks the first public release of information regarding the incident.

Disclaimer: This post is based on public claims made by the ransomware group "embargo". I cannot confirm the accuracy of the information. However, I would be happy to share any official statement from the affected organization to provide clarification.