about building systems to remain dependable in the face of malice, error, or mischance

measures to protect data during their transmission over a collection of interconnected networks 

takes stateless packet filtering one step further by maintaining a connection table

Is a branch of computer technology known as information security as applied to computers and networks.

user interface to the alerts stores in database.

taken from the structural analog that slows the spread of fire in a building, a combination of hardware and software used to implement a security policy

the assurance that the information is trustworthy and accurate

refers to any permanent storage(e.g., database) in which alerts generated by the sensors are stored for analysis

a computer network defense mechanism which includes response to actions

a set of rules that limits access to information