IntraNet: Six goals of computer security, 3/30/98

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Six goals of computer security
Computer security as a whole comprises six goals, but not every goal is important to every application. All Web sites are concerned with access control and availability. All extranets also require authentication methods and, often, confidentiality. Other extranets require that all six goals be reached. Those goals are:

Confidentiality: verifying that information is private and therefore seen and accessed only by intended recipients.

Authentication: identifying an individual or computer to ensure that the party attempting to access a given area is a member of the appropriate group or is listed on an access list.

Non-repudiation: ensuring that people cannot deny their electronic actions.

Integrity: verifying that information received is the information that was put there by the originator.

Access control: verifying that the resources are under the exclusive control of the authorized parties and ensuring that the person at tempting to access has the authority to do so.

Availability: ensuring that data and server resources are up and running when needed by knowing that downtime was not caused by a security-related incident.

Source: Building an Extranet (John Wiley & Sons)

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