This has given rise to HP's Trusted Linux. We will look at the mechanisms in Trusted Linux comparing them to the mechanisms found in normal Linux and also those found in conventional Trusted Operating systems such as Virtualvault. We will look at examples of real deployments and conjecture on future scenarios. Morris Sloman Security policy and trust in internet applications Trust is an important aspect of decision making for Internet applications and particularly influences the specification of security policy i.e. who is authorised to perform actions as well as the techniques needed to manage and implement security for the applications. Filtered actions extend authorisations to define transformation of input or output parameters.
Constraints specify limitations on the applicability of policies based on time or object state.
Roles group the policies relating to a position in an organisation. A management structure defines a configuration of role instances as well as the relationship between roles. These concepts can be used to model roles, rights and duties relating to organisational patterns which occur in many large enterprises. E-business is causing an evolutionary explosion of three, four and five letter acronyms such as UDDI, SOAP, ebXML, OBI etc. Everyone from the United Nations, to Microsoft and Sun are forming new standards bodies and developing new standards.