Glossary

A person who ensures that when maintenance or repairs are undertaken to ICT equipment, uncleared people are not exposed to information they are not authorised to access.

Those services that are vital to the health and welfare of a population and therefore are essential to maintain even in a disaster.

Evaluation Assurance Level (EAL1 through EAL7)

In the context of system logs, an observable occurrence or change of state involving a system, network, application, workload or account.

The transmission of information to a centralised computer concerning events that take place on remote computers or servers. In this context, an event is any occurrence that affects a file, program or task. Events are commonly used for troubleshooting applications and drivers.

Used by a security information and event management tool. This tool provides a level of analysis of the contents of an event log to help network administrators determine what is going on within a network.

A file that causes a computer to perform indicated tasks according to encoded instructions.

A piece of code that exploits bugs or vulnerabilities in software or hardware to gain access a system or network.

A function that uses a hash function to output a digest of a user-chosen length. This is different to a hash function which outputs a digest of a fixed length.

A markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable.