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    Complete List of Cybersecurity Acronyms

    Cybersecurity news and best practices are full of acronyms and abbreviations. Without understanding what each one means, it’s difficult to comprehend the significance of most major threats and the essential tools that help prevent them. Our list below contains 100 of the most common cybersecurity abbreviations that you may encounter in the cybersecurity industry.

    Cybersecurity abbreviations

    NumberAcronymMeaning
    12FATwo-Factor Authentication
    2ACAccess Control
    3AIArtificial Intelligence
    4AESAdvanced Encryption Standard
    5APTAdvanced Persistent Threat
    6APWGAnti-Phishing Working Group
    7ASVApproved Scanning Vendor for PCI
    8ATT&CKAdversarial Tactics, Techniques and Common Knowledge
    9AUPAcceptable Use Policy
    10AVAntivirus
    11AVIENAntivirus Information Exchange Network
    12BASBreach and Attack Simulation
    13BBPBug Bounty Program
    14BYODBring Your Own Device
    15CASBCloud Access Security Broker
    16CAPTCHACompletely Automated Public Turing Test to Tell Computers and Humans Apart
    17CEHCertified Ethical Hacker
    18CERTComputer Emergency Response Team
    19CHAPChallenge-Handshake Authentication Protocol
    20CIRTComputer Incident Response Team
    21CISCenter for Internet Security
    22CISACertified Information Systems Auditor/Cybersecurity and Infrastructure Security Agency
    23CISMCertified Information Systems Security Manager
    24CISOChief Information Security Officer
    25CISSPCertified Information Systems Security Professional
    26COBITControl Objectives for Information and Related Technologies
    27CSACloud Security Alliance
    28CSOChief Security Officer
    29CSPContent Security Policy
    30CTICyber Threat Intelligence
    31CVECommon Vulnerabilities and Exposures
    32DASTDynamic Application Security Testing
    33DCDomain Controller
    34DLPData Loss Prevention
    35DoSDenial of Service
    36DDoSDistributed Denial of Service
    37DNSDomain Name System
    38DRPDisaster Recovery Plan
    39EDREndpoint Detection & Response
    40ERMEnterprise Risk Management
    41FDEFull Disk Encryption
    42FWaaSFirewall as a Service
    43GDPRGeneral Data Privacy Regulation
    44GRCGovernance, Risk, & Compliance
    45HTTPSHypertext Transfer Protocol Secure
    46IAMIdentity and Access Management
    47IBEIdentity-Based Encryption
    48IDSIntrusion Detection System
    49IDPSIntrusion Detection and Prevention System
    50IoTInternet of Things
    51IPSIntrusion Prevention System
    52IRPIncident Response Plan
    53ISOInternational Organization for Standardization
    54ISSEInformation Systems Security Engineer
    55ISSOInformation Systems Security Officer
    56ISSPMInformation Systems Security Project Manager
    57ITAMIT Asset Management
    58ITSMIT Service Management
    59MDRManaged Detection and Response
    60MFAMulti-Factor Authentication
    61MSPManaged Service Provider
    62MSSPManaged Security Service Provider
    63NACNetwork Access Control
    64NCSANational Cyber Security Alliance
    65NGFWNext Generation Firewall
    66NISTNational Institutes of Standards and Technology
    67PAOBOAUProcess Acting On Behalf Of an Authorized User
    68OPSECOperational Security
    69OSINTOpen Source intelligence
    70PAMPrivileged Access Management
    71PCI-DSSPayment Card Industry Data Security Standard
    72RMRisk Management
    73RMFRisk Management Framework
    74RPORecovery Point Objective
    75RTORecovery Time Objective
    76SASituational Awareness
    77SASESecure Access Service Edge
    78SD-WANSoftware Defined Wide Area Network
    79SECaaSSecurity as a Service
    80SIEMSecurity Information and Event Management
    81SIMSecurity Information Management
    82SOARSecurity Orchestration, Automation, and Response
    83SOCSecurity Operations Center
    84SSLSecure Sockets Layer
    85SSOSingle Sign-On
    86SWGSecure Web Gateway
    87TCPTransport Control Protocol
    88TLSTransport Layer Security
    89TPRMThird-Party Risk Management
    90UDPUser Datagram Protocol
    91UEBAUser and Entity Behavior Analytics
    92VPNVirtual Private Network
    93WAFWeb Application Firewall
    94WAPWireless Access Point
    95WAAPaaSWeb Application and API Protection as a Service
    96WPAWiFi Protected Access
    97WPSWiFi Protected Setup
    98WTLSWireless Transport Layer Security
    99XDRExtended Detection and Response
    100ZTNAZero Trust Network Access