SC-23(3): Unique System-generated Session Identifiers
Control Family:
Parent Control:
CSF v1.1 References:
Baselines:
(Not part of any baseline)
Previous Version:
- NIST Special Publication 800-53 Revision 4:
- SC-23(3): Unique Session Identifiers With Randomization
Control Statement
Generate a unique session identifier for each session with [Assignment: organization-defined randomness requirements] and recognize only session identifiers that are system-generated.
Supplemental Guidance
Generating unique session identifiers curtails the ability of adversaries to reuse previously valid session IDs. Employing the concept of randomness in the generation of unique session identifiers protects against brute-force attacks to determine future session identifiers.