Glossary

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F
Face scanning
Face Time
Facilities
Facilities Planning
Facility
Facility Management
Facsimile
Facsimile Converter
Facsimile Recorder
Facsimile Transmission
Factor
Fail
Fail Safe
Fail Soft
Fail-Safe Operation
Failure
Failure Access
Failure Control
Fair Credit Billing Act of 1974 (amended 1986)
Fall Over
Fall Through
False acceptance rate (FAR)
False alarm
False negative
False positive
False rejection rate (FRR[AuQ2][AuQ2])
Fan
Fandango On Core
FAQ
FAQ List
FAQL
FAR (false acceptance rate)
Faradize
Farkled
Farming
Fat Electrons
Fault
Fault Tolerance
Faulty
FAX
Fax Security
FCA
Fd Leak
FDDI
FDDI-2
FDIU
FDM
Fear And Loathing
Feature
Feature Creature
Feature Key
Feature Shock
Featurectomy
Features
FEC
Federal
Federal Agency
Federal Computer Criminals
Federal Computer System
Federal Data Processing Centers
Federal Information Processing Standards
Federal Managers Financial Integrity Act
Federal Property And Administrative Service Act
Federal Property And Administrative Services Act Of 1949
Federal Records Act
Federal Register
Federal Telecommunications Fund
Federal Trade Commission (FTC)
Federal Wiretap Act
Feep
Feeper
Feeping Creature
Feeping Creaturism
Fence
Fencepost Error
Fepped Out
FER
Fetch Protection
Fiber Distributed Data Interface
Fiber Optics
Fiber Pigtail
FidoNet
Field
Field Circus
Field Servoid
Fielded Equipment
FIFO
File
File Attach
File Authentication Code
File integrity checkers
File Management System
File Protection
File Request
File Security
File Signature
File Transfer Protocol
File Transfer, Access, And Management
File-infector viruses
Fill
Fill Device
Film At 11
Filter
Filtered Power
FIN
Finagle's Law
Final Evaluation Report
Financial Management Information
Financial Management System
Fine
Finger
Finger Trouble
Finger-Pointing Syndrome
Fingerprint recognition
Fingerprint Signal
Fingerprinting
Finn
FIPS
FIPS PUB
FIPS PUB 39
Fire Prevention And Protection
Firebottle
Firefighting
FIREFLY
Firehose Syndrome
Firewall
Firewall appliances
Firewall architecture
Firewall Code
Firewall Machine
FireWall-1
Firmware
Firmware Security
Firmy
First-In First-Out
FISA (Foreign Intelligence Surveillance Act)
FISH Queue
FISINT
FITNR
Five-Year Plan
Fix
Fixed COMSEC Facility
Fixed Storage
FIXME
Flag
Flag Day
Flag Sequence
Flaky
Flame
Flame On
Flame War
Flamer
Flap
Flash viruses
Flat
Flat-ASCII
Flat-File
Flatten
Flavor
Flavorful
Flaw
Flaw Hypothesis
Flaw Hypothesis Methodology
Flexible Disk
Flippy
Flood
Flooding DoS attacks
Floppy Disk
Flow Control
Flow Control Procedure
Flow Diagram
Flowchart
Flower Key
Flush
Flux
Flypage
Flyspeck 3
Flytrap
FOAF
FOCI
FOI
FOIA
Fold Case
Followup
Follow-up report
Fontology
Foonly
Footprint
For Free
For Official Use Only (FOUO) Data
For The Rest Of Us
For Values Of
Fora
Foreground
Foreign Government Information
Foreign Intelligence Service
Foreign Intelligence Surveillance Act (FISA)
Forensics
Fork Bomb
Forked
Formal Access
Formal Access Approval
Formal Cryptographic Access (FCA)
Formal Development Methodology (FDM)
Formal Methods For Security Design
Formal Proof
Formal Security Policy
Formal Security Policy Model
Formal Top-Level
Formal Top-Level Specification
Formal Verification
Format
Formerly Restricted Data
Formulary
Fortrash
Fortuitous Conduction
Fortuitous Conductor
Fortune Cookie
Forum
Forward Error Correction
Fossil
FOT&E
FOUO
Four-Color Glossies
Fourth Amendment
Four-way close
FQR
FQT
Fragile
Fragment offset
Fragmentation
Frame
Fraud
Fraud Or Abuse
Fraud, Waste And Abuse
FRD
Frednet
FreeBSD
Freedom Of Information Act
Freeware
Freeze
Frequency
Frequency Hopping
Frequency Of Major Failure
Fried
Friendly
Frink
Friode
Fritterware
Frob
Frobnicate
Frobnitz
Front End
Front-End Processing
Front-End Processor
Front-End Security
Front-End Security Filter
Frotz
Frotzed
Frowney
FRR (false rejection rate)
Fry
FSD
FSRS
FSTS
FTAM
FTC (Federal Trade Commission)
FTLS
F-T-P
FTS
FUBAR
FUD Wars
Fudge Factor
Fuel Up
Full backup
Full Bit Emanation
Full Financial Disclosure
Full Maintenance
Full Monty, The
Full protocol decoding
Functional Testing
Funds
Funky
Funny Money
Fuzz
Fuzzball
Filter
  • A device for use on power, signal, telephone or other wirelines, specifically designed to pass only selected frequencies and to attenuate substantially all other frequencies. There are two basic types of filters: a) active filters - Those which are active components and require the application of power for the utilization of their filtering properties. b) passive filters - Those which use passive components having properties of inductance, capacitance or resistance and which do not require the application of power for the utilization of their filtering properties. (NACSIM 5203)
  • See Front-End Security Filter and Guard.
  • n. [orig. UNIX, now also in MS-DOS] A program that processes an input data stream into an output data stream in some well-defined way, and does no I/O to anywhere else except possibly on error conditions; one designed to be used as a stage in a "pipeline" (see plumbing). Compare sponge.