WGU D430 FUNDAMENTALS OF
INFORMATION SECURITY STUDY
GUIDE LATEST UPDATED 2025/2026
, lOMoARcPSD| 54339004
D430 Study Guide
What was on the OA:
Be competent with ALL of these terms and concepts. The ones highlighted in red are
the ones that appeared on the OA the most.
Fundamentals of Information Security
CIA Triad
Parkerian Hexad
Attack Types
Threat
Vulnerability
Authentication
Mutual Authentication
Risk Management Process
Incident Response Process
Key Concepts, Identification, and Authorization
Authorization
Least Privilege
Access Contro l
Access Control Models
Network ACL
Accountability
Intrusion Detection (IDS)
Intrusion Prevention (IPS)
Auditing
Auditing, Cryptography, and Legal Issues
Symmetric and Asymmetric Encryption
Symmetric and Assymetric Key Algorithms
Hash Functions
Keyless Cryptography
Digital Signature
Certificates
Secure Socket Layer (SSL)
Transport Layer Security (TLS)
IPsec and SSL VPN
Protecting data at rest/motion/use
DDos
Man-in-the-middle attacks
INFORMATION SECURITY STUDY
GUIDE LATEST UPDATED 2025/2026
, lOMoARcPSD| 54339004
D430 Study Guide
What was on the OA:
Be competent with ALL of these terms and concepts. The ones highlighted in red are
the ones that appeared on the OA the most.
Fundamentals of Information Security
CIA Triad
Parkerian Hexad
Attack Types
Threat
Vulnerability
Authentication
Mutual Authentication
Risk Management Process
Incident Response Process
Key Concepts, Identification, and Authorization
Authorization
Least Privilege
Access Contro l
Access Control Models
Network ACL
Accountability
Intrusion Detection (IDS)
Intrusion Prevention (IPS)
Auditing
Auditing, Cryptography, and Legal Issues
Symmetric and Asymmetric Encryption
Symmetric and Assymetric Key Algorithms
Hash Functions
Keyless Cryptography
Digital Signature
Certificates
Secure Socket Layer (SSL)
Transport Layer Security (TLS)
IPsec and SSL VPN
Protecting data at rest/motion/use
DDos
Man-in-the-middle attacks
