F


Fail closed

A control failure that results all accesses blocked.

Fail open

A control failure that results in all accesses permitted.

Failover

A failure mode where, if a hardware or software failure is detected, the system automatically transfers processing to a hot backup component, such as a clustered server.

Fail-safe

A failure mode where, if a hardware or software failure is detected, program execution is terminated, and the system is protected from compromise.

Fail-soft (or resilient)

A failure mode where, if a hardware or software failure is detected, certain, noncritical processing is terminated, and the computer or network continues to function in a degraded mode.

FAR (False Accept Rate or Type II Error)

In biometric access control systems, the percentage of unauthorized users that are incorrectly granted access. See also CER, FRR.

Fault

Momentary loss of electric power.

Fault-tolerant

A system that continues to operate following failure of a computer or network component.

FDDI (Fiber Distributed Data Interface)

A star topology token-passing network transport protocol.

Felony

More serious crimes that normally result in jail/prison terms of more than one year. See also Misdemeanor.

FIPS

Federal Information Processing Standard.

Firewall

A device or program that controls traffic flow between networks.

Firmware

Program or code that is stored in ROM memory.

Forensics (or Computer Forensics)

The science of conducting a computer crime investigation to determine what has happened, who is responsible, and collecting legally admissible evidence for use in a computer crime case.

Frame Relay

A packet-switched network protocol used to transport WAN communications.

Fraud

Any deceptive or misrepresented activity that results in illicit personal gain.

FRR (False Reject Rate or Type I Error)

In biometric access control systems, the percentage of authorized users who are incorrectly denied access. See also CER, FAR.

Fuzzy logic

An artificial intelligence method that is used to address uncertain situations to determine whether a given condition is true or false.




CISSP For Dummies
CISSP For Dummies
ISBN: 0470537914
EAN: 2147483647
Year: 2004
Pages: 242

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