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P
P Model
P&D
P. O. D.
P3P
PA
PAA
PABX
Packet
Packet Assembler/disassembler
Packet Filtering
Packet Format
Packet inspection
Packet Switched Networks
Packet Switching
Packet Transfer Mode
Packet-Mode Terminal
Packet-Switched Data Transmission Service
Packet-Switching Network
PAD
Padded Cell
PAE
Page In
Page Out
Pain In The Net
Paired Disparity Code
PAL
Palladium
PAP
Paper-Net
Paperwork Reduction Act
Parallel Computer
Parallel Information Unit
Parallel Processing
Parallel Transmission
Parallel-To-Serial Converter
Param
Parameters
PARC
Parent Message
Parity
Parity Check
Parity Errors
Parkinson's Law Of Data
Parm
Parse
Partial Ordering
Partitioned Security Code
Partitioned Security Mode
Pascal
Pass
Pass Key
Pass phrase
Passive Attack
Passive fingerprinting
Passive Station
Passive Threat
Passive Wiretapping
Passphrase
Passport
Passwd
Password
Password Authentication Protocol (PAP)
Password Dialogue
Password Length Equation
Password Length Parameter
Password Management
Password Management Guideline
Password reset
Password Space
Password System
Password-cracking software
Pastie
PAT (Port address translation)
Patch
Patch Space
Patch test system
Path
Pathological
Patriot Act of 2001
Patterns
PAX
Payload
Payware
PBD
PBX
PC
PCA
PC-Ism
PCS
PCZ
PD
Pdl
PDN
PDP-10
PDP-20
PDR
PDS
PDU
Peek
Peer-Entity Authentication
Peer-To-Peer Security
Pen registers
Pencil And Paper
Penetration
Penetration Paths
Penetration Profile
Penetration Signature
Penetration Study
Penetration Testing
Peon
PERC
Per-Call Key
Perceived Threat
Percent of disruption
Percent-S
Perf
Perfect Programmer Syndrome
Performance
Performance Parameter
Peril
Periods Processing
Peripheral Device
Peripheral Devices
Peripheral Equipment
Perl
Permissions
Permit All
Permuter
Perpetrator
Person Of No Account
Personal Data
Personal Identification Number
Personal Identification Number (PIN)
Personal Identifier
Personal IDS
Personal Password
Personnel
Personnel Screening
Personnel Security
Personnel Security Policies And Guidance
PES
Pessimal
Pessimizing Compiler
Peta
PETSCII
PGP (Pretty Good Privacy)
Phage
Phase
Phase Of The Moon
Phase-Locked Loop
Phase-Wrapping
Phonetic Alphabet
Photosensitive Recording
Phracker
Phreak
Phreaker
Phreaking
Physical Compromise
Physical Control Space
Physical Control Space/physically Controlled Space (PCs)
Physical Layer
Physical link
Physical Memory Location Of The Instruction
Physical Seals
Physical Security
Pico
PID (Process ID)
Pig, Run Like A
Piggy Back
Piggy Back Entry
Piggyback
Piggybacking
Pilot Error
PIN (Personal Identification Number)
Ping
Ping (Packet INternet Groper)
Ping scanning
Ping-of-Death
Pink-Shirt Book
PIP
Piracy
Pistol
PIX
Pixel Sort
Pizza Box
Pizza, ANSI Standard
PKA
PKC
PKI (Public key infrastructure)
PKSD
PL
PL/1
PLA
Plaid Screen
Plain Text
Plain Text/plain-Text
Plain-ASCII
Plaintext
Plan File
Planning
Plan-protect-respond (PPR)
Platform for Privacy Preferences (P3P)
Platform-Specific Security
Platinum-Iridium
Playpen
Playte
Plingnet
Plokta
Plonk
Plotter
PLSDU
Plugh
Plumbing
PM
P-Mail
PMD
PMO
PMP
Pnambic
PNEK
PNET
Pod
Point Of Presence
Point-And-Drool Interface
Pointer Bug
Point-to-Point Protocol (PPP)
Point-to-Point Tunneling Protocol (PPTP)
Poisson Function
Poke
Policies
Policy
Policy Development
Policy Enforcement
Policy-based audits
Poll
Polygon Pusher
Polygraphic Processing
POM
Pop
POP (Post Office Protocol)
Pop-behind ads
POPJ
Port address translation (PAT)
Port numbers
Port scanning
Port spoofing
Port-switching application
Poser
Position Sensitivity
Positive Control
Positive Control Material
Post
Post Office Protocol (POP)
Postcardware
Posting
Postmaster
Postmortem analysis
PostScript
Post-Selection
Potential Threat
Pound On
Power Controls (e. G. , UPS, Emergency Power)
Power Cycle
Power Hit
Power Line Conduction
Power Line Modulation
Power users
Powerline Conduction
PPL
PPN
PPP (Point-to-Point Protocol)
PPS
PPTP (Point-to-Point Tunneling Protocol)
PPTP access concentrator
Practice Dangerous To Security
Practices
PRBAC
Precedence Lossage
Precision
Predicated Event
Preferred Products List (PPL)
Preliminary Technical Report
Prepend
Preproduction Model
Pre-Selection
Preserving evidence
President's Council On Integrity And Efficiency
Prestidigitization
Pretty Good Privacy (PGP)
Pretty Pictures
Prettyprint
Pretzel Key
Preventative Controls
Prevention
Preventive Maintenance
Price
Priesthood
Primary Distribution
Primary RED Conductor
Primary Station
Primary Substation
Prime authentication problem
Prime Time
Primitive
Principle of least permissions
Principle Of Least Privilege
Principles Of Control
Print Suppression
Print Suppression/print Suppress
Printing Discussion
Priority Interrupt
Priority Message
Privacy
Privacy Act
Privacy Act Guidelines
Privacy Act Of 1974
Privacy disclosure statements
Privacy Protection
Privacy System
Privacy Transformation
Private Automatic Branch Exchange
Private Automatic Exchange
Private Branch Exchange
Private Branch Exchange Security
Private Communication
Private Exchange
Private IP addresses
Private key
Private Key Cryptology
Private Line
Private network
Private Networks
Private port numbers
Privilege
Privilege Levels
Privilege Profile
Privileged Data
Privileged Instructions
Privileged Process
Privileges (Class, Nodes)
Privity
Probable cause
Probes
Procedural Security
Procedure-Oriented Language
Procedures
Process
Process Computer System
Process Control
Process Control Equipment
Process Control System
Process ID (PID)
Process Interface System
Process Isolation
Process Manager
Process Signaling
Processing
Processing performance
Processing Unit
Processor
Procurement
Procurement Lead Time
Product Questionnaire
Production Model
Production server
Professional Interfaces
Profile
Profiles
Proglet
Program
Program Origin
Programmable
Programmable Logic Array
Programmable Read-Only Memory
Programmer
Programmer's Cheer
Programming
Programming Fluid
Programming Language
Programming System
PROM
Promiscuous mode
Propaganda
Propagation
Propagation Of Risk
Propagation vector
Propeller Head
Propeller Key
Property
Property Protection Area
Property Star Property
PROPIN
Proprietary
Proprietary Data
Proprietary Information
PROSECUTION
Protect As Restricted Data
Protected
Protected Communications
Protected Distributed System
Protected Distribution System (PDS)
Protected Information
Protected Services
Protected Wireline Distribution System
Protection
Protection Bits
Protection Critical
Protection Equipment
Protection From Malicious Code
Protection Index
Protection Mechanisms
Protection Philosophy
Protection Ring
Protection-Critical Portions Of The TCB
Protection-Critical Portions Of Trusted Computing Base
Protective
Protective Features
Protective Measures
Protective Mechanism
Protective Packaging
Protective Technologies
Protective Technology
Protective Technology/Package Incident
Protocol
Protocol Data Unit
Protocol enforcement
Protocol field
Protocol stack monitors
Protocols
Prototype
Provably Secure Operating System
Provisioning
Provocative Maintenance
Prowler
Proxy
Proxy firewall
Ps
PSDU
Pseudo
Pseudo-Flaw
Pseudoprime
Pseudorandom Noise
Pseudorandom Number Sequence
Pseudosuit
PSL
PSN
PSOS
PSTN
Psychedelicware
Psyton
PTR
PTT
Public Cryptography
Public Data Network
Public Data Transmission Service
Public Domain
Public Domain Software
Public Key
Public Key Cryptography (PKC)
Public Key Encryption
Public key infrastructure (PKI)
Public Law 100-235
Public Policy
Public Switched Network (PSN)
Public Switched NS/EP Telecommunications Services
Public Switched Telephone Network
Public Utility Commission
PUC
Puff
Punched Card
Punt
Purge
Purging
Purging Magnetic Media
Purple Book
Purple Wire
Purpose And Scope
Push
PUT
PVC
PWA
PWDS
PX
Protocol
  • [In general,] A set of semantic and syntactic rules that determines the behavior of functional units in achieving communication. (FP) (ISO) Note: Protocols may govern portions of a network, types of service, or administrative procedures. For example, a data link protocol is the specification of methods whereby data communication over a data link is performed in terms of the particular transmission mode, control procedures, and recovery procedures. See also communications, handshaking, link (def. #1), link protocol, N-entity, network, packet, packet format.
  • In layered communication system architecture, a formal set of procedures that are adopted to facilitate functional interoperation within the layered hierarchy. See also Open Systems Interconnection--Protocol Specifications, Open Systems Interconnection--Reference Model.