History
TSFdn evolved from a number of previous activities: *A study by the Cabinet Office, Central Sponsor for Information Assurance (CSIA) in 2004-5 which identified a pervasive lack of secure software development practices as a matter for concern *A Department of Trade and Industry (DTI – predecessor of BIS) Global Watch Report in 2006 which noted a relative lack of secure software development practices in the UK *The Technology Strategy Board (TSB) Cyber Security Knowledge Transfer Network (CSKTN) Special Interest Group (SIG) on Secure Software Development (SSD, 2007-8) *The TSB / Foreign and Commonwealth Office (FCO) Science and Innovation Network (SIN) Multinational Workshop “Challenges to building in … information security, privacy and assurance”, held in Paris in March 2009 *The Secure Software Development Partnership (SSDP) Study Period, funded jointly by the UK government' TSB and theObjectives
TSFdn primarily aims to provide a living backbone for signposting to diverse but often obscure sources of Good Practice, with a secondary objective to address other aspects of the 2009 Trustworthy Software Roadmap.Trustworthiness
TSI considers that there are five facets of trustworthiness: * Safety - The ability of the system to operate without harmful states * Reliability - The ability of the system to deliver services as specified * Availability - The ability of the system to deliver services when requested * Resilience - The ability of the system to transform, renew, and recover in timely response to events * Security - The ability of the system to remain protected against accidental or deliberate attacks This definition of trustworthiness is an extension of a widely used definition of dependability, adding as a 5th Facet of Resilience based on theGovernance and Operation
TSFdn operates as a not-for-profit Company Limited by Guarantee, jointly owned by the subscriber organisations – UK professional bodies. It is based at the Cyber Security Centre of theActivities
* Updating its Trustworthy Software Framework (TSFr), originally published as British Standards (BS) Publicly Available Specification (PAS) 754, into a British Standard (through BSI Project Committee ICT/00-/09, Chaired by Ian Bryant) * Continuing to engage with partners for promulgation of Software Trustworthiness across Education, in particular through the IAP, BCS and theReferences
{{reflist Information technology management Information technology organisations based in the United Kingdom Organisations based in the London Borough of Ealing Software engineering organizations