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Cybersecurity Fundamentals
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DE.AE-1 DE.AE-2 DE.AE-3 DE.AE-4 DE.AE-5
Maturity Level 1
Maturity Level 2
Maturity Level 3
DE.AE-3.1
DE.AE-3.1: The activity logging functionality of protection / detection hardware or software (e.g. firewalls, anti-virus) shall be enabled, backed-up and reviewed.
  • Logs should be backed up and saved for a predefined period.
  • The logs should be reviewed for any unusual or unwanted trends, such as a large use of social media websites or an unusual number of viruses consistently found on a particular computer. These trends may indicate a more serious problem or signal the need for stronger protections in a particular area.
Documentation Maturity
Not applicable - Not applicable in the selected scope.
Level 1 - Initial - No Process documentation or not formally approved by management.
Level 2 - Repeatable - Formally approved Process documentation exists but not reviewed in the previous 2 years.
Level 3 - Defined - Formally approved Process documentation exists, and exceptions are documented and approved. Documented and approved exceptions < 5% of the time.
Level 4 - Managed - Formally approved Process documentation exists, and exceptions are documented and approved. Documented and approved exceptions < 3% of the time.
Level 5 - Optimizing - Formally approved Process documentation exists, and exceptions are documented and approved. Documented and approved exceptions < 0,5% of the time.
Implementation Maturity
Not applicable - Not applicable in the selected scope.
Level 1 - Initial - Standard process does not exist.
Level 2 - Repeatable - Ad-hoc process exists and is done informally.
Level 3 - Defined - Formal process exists and is implemented. Evidence available for most activities. Less than 10% process exceptions.
Level 4 - Managed - Formal process exists and is implemented. Evidence available for all activities. Detailed metrics of the process are captured and reported. Minimal target for metrics has been established. Less than 5% of process exceptions.
Level 5 - Optimizing - Formal process exists and is implemented. Evidence available for all activities. Detailed metrics of the process are captured and reported. Minimal target for metrics has been established and continually improving. Less than 1% of process exceptions.
Description

The activity logging functionality of protection / detection hardware or software (e.g. firewalls, anti-virus) shall be enabled, backed-up and reviewed.