Malicious software.

Trying a small set of passwords across many accounts.

Target time for restoring service after disruption.

Malware that can replicate by attaching to other files.

Attack attempting to make a service unavailable.

Maximum acceptable amount of data loss measured in time.

Malware capable of spreading automatically across systems.

Distributed attack overwhelming a target with traffic or requests.

Switching operation to a backup system after failure.

Malicious software disguised as legitimate software.