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HMG Information Assurance Standard No.1, usually abbreviated to IS1, is a security standard applied to government computer systems in the UK. The standard is used to assess – and suggest responses to – technical risks to the confidentiality, integrity and availability of government information. 〔(【引用サイトリンク】title=HMG IA Standard No. 1 Technical Risk Assessment Issue 3.51 )〕 The modelling technique used in the standard is an adaptation of Domain Based Security. In confidentiality terms, IS1 does not apply to information which is not protectively marked, but it may still be used to assess risks to the integrity and availability of such information. 〔(【引用サイトリンク】title=e-Government Strategy Framework Policy and Guidelines )〕 The UK Cabinet Office Security Policy Framework requires that all ICT systems that manage government information or that are interconnected to them are assessed to identify technical risks. IS1 is the standard method for doing this and was mandated by previous versions of the Security Policy Framework, but other methods may now be used. The results of an IS1 assessment, and the responses to risks, should be recorded using HMG Information Assurance Standard No.2, usually abbreviated to IS2, which concerns risk management and the accreditation of government computer systems. CESG provides IS1 risk assessment tools. ==Example== An HMG IS2 Full Accreditation Statement based on an HMG IS1 ITSHC (IT Security Health Check) by Deloitte and subsequent remediation by Recipero of its interface between Recipero's NMPR and the UK government's PNC, which are systems used to track mobile devices for law enforcement purposes was posted publicly. A public HMG IS2 Full Accreditation Statement based on an actual ITSHC (by Deloitte in this case) puts the auditor's reputation on the line, in a way that a confidential statement does not. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「HMG Infosec Standard No.1」の詳細全文を読む スポンサード リンク
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