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Cybersecurity Fundamentals
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DE.CM-1 DE.CM-2 DE.CM-3 DE.CM-4 DE.CM-5 DE.CM-6 DE.CM-7 DE.CM-8
Maturity Level 1
Maturity Level 2
Maturity Level 3
DE.CM-1.1
DE.CM-1.1: Firewalls shall be installed and operated on the network boundaries and completed with firewall protection on the endpoints.
  • Endpoints include desktops, laptops, servers...
  • Consider, where feasible, including smart phones and other networked devices when installing and operating firewalls.
  • Consider limiting the number of interconnection gateways to the Internet.
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

Firewalls shall be installed and operated on the network boundaries and completed with firewall protection on the endpoints.