Using IPsec to protect data
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Guidance for organisations wishing to deploy products that use IPsec.
Adapted edition
- Document type
- Reference Guide
- Format
- DOCX
- Pages
- 7
- Language
- English
- Version
- 1.0
- Updated
- 2026-09-16
- Category
- Information security
- Licence
- Open Government Licence v3.0
Description
Guidance for organisations wishing to deploy products that use IPsec for organisational planning, review and training. NCSC guidance is advisory and should be applied to the organisation's own risks and obligations.
Contents
- About this guidance
- Note
- Deploying and using IPsec securely
- Device principles
- Pre-Shared Keys (PSKs)
- Network design principles
- Cryptographic profiles
- Post-quantum cryptography in IPsec
- Certificate algorithms and key sizes
- Recommended Profile
- Legacy Profile
- Security considerations for key exchanges
- Source links
Source and licence
National Cyber Security Centre
AttributionNational Cyber Security Centre, “Using IPsec to protect data” (23 September 2016), reused under the Open Government Licence v3.0.
ChangesAdapted 16 September 2026: converted the official HTML article into neutral text-only DOCX and PDF editions. Preserved article headings, paragraphs, lists and plain-text source-link destinations; normalized web whitespace and typographic punctuation; omitted site navigation, topic and download cards, images, logos, scripts, styles and page furniture.
Version history
- v1.016/09/2026