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IS5 sets a wide range of requirements—not just the technical detail of overwriting data, but also the policies and processes that organisations should have in place, to ensure that media are disposed of securely. IS5 also touches on risk management accreditation, because secure reuse and disposal of media is an important control for ...
Eraser securely erases data by overwriting it such that the data is irrecoverable. [1] It supports a variety of data destruction standards, including British HMG IS5 (Infosec Standard 5), American DoD 5220.22-M , and the Gutmann method which features a 35-pass overwrite.
Data erasure. Data erasure (sometimes referred to as data clearing, data wiping, or data destruction) is a software-based method of data sanitization that aims to completely destroy all electronic data residing on a hard disk drive or other digital media by overwriting data onto all sectors of the device in an irreversible process.
HMG Information Assurance Standard No.1, usually abbreviated to IS1, was a security standard applied to government computer systems in the UK. The standard was used to assess – and suggest responses to – technical risks to the confidentiality, integrity and availability of government information. [1] The modelling technique used in the ...
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Classified information in the United Kingdom. Classified information in the United Kingdom is a system used to protect information from intentional or inadvertent release to unauthorised readers. The system is organised by the Cabinet Office and is implemented throughout central and local government and critical national infrastructure.
Existing published guidance continues to suggest that storage media which hold UK government data should still be destroyed or purged according to HMG IA Policy No. 5, however terminology in this guidance and other material has not been updated fully to reflect the changes from GPMS protective markings to GSCP classifications and as such its ...
Gutmann method. The Gutmann method is an algorithm for securely erasing the contents of computer hard disk drives, such as files. Devised by Peter Gutmann and Colin Plumb and presented in the paper Secure Deletion of Data from Magnetic and Solid-State Memory in July 1996, it involved writing a series of 35 patterns over the region to be erased.