CESG - http://www.cesg.gov.uk/
Security Policy Framework – http://www.cabinetoffice.gov.uk/spf.aspx
Verify a CLAS Consultant’s Identity - http://www.cesg.gov.uk/find_a/clas/index.cfm
The Baseline Standard for Personnel Security - http://www.govconnect.gov.uk/documents/baseline-standard.pdf
Government Connect - http://www.govconnect.gov.uk/
The G3C Catalogue - http://www.g3ccatalogue.net/
Guidance for spotting fake documentation - http://www.cpni.gov.uk/Docs/Document_verification_guidance_-_July_2007.pdf
Tables for performing a Business Impact Analysis - http://www.cesg.gov.uk/policy_technologies/policy/media/business_impact_tables.pdf