TopicBackup & PRA →
Simple definition
An isolated backup of the production system and difficult to access continuously.
Technical definition
An airway can be physical or logical and is designed to prevent an attacker who has compromised production from destroying all copies.
What’s the point? ?
More Resisting to malicious ransomware and removals.
Concrete example
An offline copy or an isolated repository may constitute an airway.
Common problems
- Copy never tested
- Isolation only theoretical
- Access to joint administrator with production
Related terms
To be noted: precise behaviors and commands may vary depending on the versions, products and architectures.