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Data Sanitization

What is Data Sanitization?

The process of deliberately and permanently destroying data on storage media so it cannot be recovered, using methods such as overwriting, degaussing, or physical destruction.

Information Security

Frameworks that govern data sanitization

ISO 27001:2022View framework →NIST Cybersecurity Framework 2.0View framework →CIS Controls v8View framework →

What the standards actually require on data sanitization

Requirements naming data sanitization across 5 standards, quoted from the control text.

NIST SP 800-53 Rev 51 control

When transferring information between different security domains, sanitize data to minimize [Selection (one or more): delivery of malicious content, command and control of malicious code, malicious code augmentation, and steganography-encoded data;

NIST800-AC-4(25) · AC-4(25) Information Flow Enforcement | Data Sanitization →
NIST SP 800-124 Revision 2 - Guidelines for Managing the Security of Mobile Devices1 control

Decommission mobile devices through full data sanitization, account removal, and recycling or destruction aligned to media policy.

800-124r2-7.2 · Mobile Device Decommissioning →
NIST SP 800-1601 control

End the existence of a system element or system, securely handling data sanitization and residual security risks.

SP800-160-TE-DISPOSAL · Disposal Process →
NIST SP 800-881 control

Address cloud-resident data and hosted storage scope per NIST SP 800-88 Rev 1 considerations (acknowledged in Section 3.6) + cloud-era guidance from NIST CSF 2.0 + NIST SP 800-145 + provider-specific documentation.

NISTSP88-8 · Cloud-Resident Data, Hosted Storage, and Scope Boundaries →
NIST SP 800-88 Rev 11 control

Routers, switches, firewalls, and load balancers store configuration, credentials, certificates, and cached data. Sanitization requires vendor-specific factory reset combined with credential and certificate removal, or physical destruction.

MS-DESTROY-6 · Networking Equipment Sanitization →

Questions people ask about data sanitization

What is Data Sanitization?
The process of deliberately and permanently destroying data on storage media so it cannot be recovered, using methods such as overwriting, degaussing, or physical destruction.
Why is Data Sanitization important for compliance?
Data Sanitization is a key concept in Information Security. Understanding data sanitization helps organizations meet regulatory requirements, reduce risk, and demonstrate due diligence during audits. Our compliance platform maps 1,016 frameworks with 316K cross-framework control mappings.
Which compliance frameworks address Data Sanitization?
Data Sanitization appears in the requirement text of NIST SP 800-53 Rev 5, NIST SP 800-124 Revision 2 - Guidelines for Managing the Security of Mobile Devices, NIST SP 800-160, NIST SP 800-88, NIST SP 800-88 Rev 1. Across these standards we have identified 5 controls that name it directly, each linked to the control text on the compliance platform.
Where can I learn more about Data Sanitization?
Explore our compliance framework pages to see how data sanitization applies across different standards and regulations. Our implementation guides provide step-by-step guidance, and the compliance platform offers AI-powered analysis of how this concept maps across 1,016 frameworks.

See how Data Sanitization applies across compliance frameworks

Our platform maps 1,016 frameworks with 316K cross-framework control mappings. Explore how this concept is addressed across standards.

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Written and maintained by Gerard Blokdyk, The Art of Service.