UK Cyber Essentials
Security Update Management

UK Cyber Essentials CE-SU.4: Remove Out-of-Support Software

Remove software that is no longer receiving security updates from in-scope devices, or fully segregate it from the rest of the network.

Maintained by Gerard BlokdykVerified against the published standard Control text last updated

What else in your programme already covers this

This control maps to 25 controls across 15 other frameworks. If you already hold one of them, the evidence you collected for it is the starting point here rather than new work.

  • ASD37-11 Operating system hardening (Very Good)
  • ASD37-19 Patch operating systems (Essential)
  • ASD37-22 Network segmentation (Excellent)
  • ANSSI-HYG-19 Segment the Network and Partition the Zones
  • ANSSI-HYG-35 Anticipate the End of Maintenance of Software and Systems
  • AM-2 Use only approved services
  • AM-3 Ensure security of asset lifecycle management

CIS Controls v8 · 2 controls

  • CIS-2.2 Ensure Authorized Software is Currently Supported
  • CIS-9.1 Ensure Use of Only Fully Supported Browsers and Email Clients

FedRAMP High · 2 controls

  • CM-7 Least Functionality
  • SA-22 Unsupported System Components (SA-22)

FedRAMP Moderate · 2 controls

  • CM-7 Least Functionality
  • SA-22 Unsupported System Components (SA-22)

ISO 27001:2022 · 2 controls

  • 8.22 Segregation of networks
  • 8.8 Management of technical vulnerabilities

ISO 27002:2022 · 2 controls

  • 8.22 Segregation of networks
  • 8.8 Management of technical vulnerabilities
  • NIST-CSF-ID.AM-08 Systems, hardware, software, services, and data are managed throughout their life cycles
  • NIST-CSF-PR.PS-02 Software is maintained, replaced, and removed commensurate with risk

C5 (Germany) · 1 control

  • C5-OPS-18 Managing Vulnerabilities, Malfunctions and Errors - Concept

PCI DSS 4.0 · 1 control

  • 12.3.4 12.3.4 Annual review of hardware and software technologies

Every mapping shown was judged rather than inferred from wording similarity, and the ones that failed review are published too. See the coverage reports and what was rejected.

Other controls in Security Update Management

You are reading one control. How much of UK Cyber Essentials have you already done?

UK Cyber Essentials CE-SU.4 is one control. If you already hold one of the frameworks below, a reviewed crosswalk already says how much of UK Cyber Essentials your existing evidence covers. Hold FedRAMP Moderate and 29 of 36 UK Cyber Essentials controls already carry evidence.

Each report names every control your existing framework evidences, every one it does not, the reasoning behind each claim, and the claims that were argued against and rejected. 0 were rejected on the FedRAMP Moderate pair alone.

Query this from an agent

The graph holds this control, the 25 it maps to, and the evidence behind each claim, over MCP and REST.