The Principle of Least Privilege means granting users, systems, and processes only the minimum permissions necessary to perform their job functions. Implementation strategies:
Start with zero access: Grant permissions only when needed
Regular access reviews: Periodically audit and remove unnecessary permissions
Time-bound access: Use temporary elevated privileges when possible
Segregation of duties: Divide critical functions among multiple people
Just-in-time access: Provide elevated access only when requested and approved Example implementation:
Database admin needs read access to production during normal operation
Write access granted only during approved maintenance windows
Emergency access requires additional approval and is automatically logged Benefits:
Reduces attack surface
Limits blast radius of compromises
Improves compliance posture
Reduces insider threat risk
Rewriting in plainer words…
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