A Russian ransomware group DarkSide used malware to lock servers in the Colonial Pipeline IT environment. Out of an abundance of caution, Colonial shutdown its operations while it rebuilt the environment.
A cyber attack is a cyber operation, whether offensive or defensive, that is reasonably expected to cause injury or death to persons or damage or destruction to objects.
Michael Schmitt et al; Tallinn Manual 1.0, pp 92
- ✅ Cyber Operation?
- ❌ Expected to cause death or injury to people or objects?