AAA	Authentication, Authorization, and Accounting
ACL	Access Control List
AES	Advanced Encryption Standard
AES-256	Advanced Encryption Standards 256-bit
AH	Authentication Header
AIS	Automated Indicator Sharing
ALE	Annualized Loss Expectancy
AP	Access Point
API	Application Programming Interface
APT	Advanced Persistent Threat
ARO	Annualized Rate of Occurrence
ARP	Address Resolution Protocol
ASLR	Address Space Layout Randomization
ATT&CK	Adversarial Tactics, Techniques, and Common Knowledge
AUP	Acceptable Use Policy
AV	Antivirus
BASH	Bourne Again Shell
BCP	Business Continuity Planning
BGP	Border Gateway Protocol
BIA	Business Impact Analysis
BIOS	Basic Input/Output System
BPA	Business Partners Agreement
BPDU	Bridge Protocol Data Unit
BYOD	Bring Your Own Device
CA	Certificate Authority
CAPTCHA	Completely Automated Public Turing Test to Tell Computers and Humans Apart
CAR	Corrective Action Report
CASB	Cloud Access Security Broker
CBC	Cipher Block Chaining
CCMP	Counter Mode/CBC-MAC Protocol
CCTV	Closed-circuit Television
CERT	Computer Emergency Response Team
CFB	Cipher Feedback
CHAP	Challenge Handshake Authentication Protocol
CIA	Confidentiality, Integrity, Availability
CIO	Chief Information Officer
CIRT	Computer Incident Response Team
CMS	Content Management System
COOP	Continuity of Operation Planning
COPE	Corporate Owned, Personally Enabled
CP	Contingency Planning
CRC	Cyclical Redundancy Check
CRL	Certificate Revocation List
CSO	Chief Security Officer
CSP	Cloud Service Provider
CSR	Certificate Signing Request
CSRF	Cross-site Request Forgery
CSU	Channel Service Unit
CTM	Counter Mode
CTO	Chief Technology Officer
CVE	Common Vulnerability Enumeration
CVSS	Common Vulnerability Scoring System
CYOD	Choose Your Own Device