Home › Certifications
CISSP exam prep
43 visual explainers that cover CISSP topics, grouped by topic area.
1 · Security & Risk Management
- EU Cyber Resilience Act (CRA) Explained
- Risk Analysis Explained: SLE, ARO and ALE with a Worked Example
- RTO vs RPO vs MTD vs WRT: Business Continuity Metrics Explained
2 · Asset Security
- Data Remanence Explained: Clear, Purge, Destroy (NIST SP 800-88)
- Data Roles Explained: Owner, Custodian, Controller and Processor
3 · Security Architecture & Engineering
- Security Models Explained — Overview (Part 1)
- Bell-LaPadula Model Explained — Security Models (Part 2)
- Biba Model Explained — Security Models (Part 3)
- Clark-Wilson Model Explained — Security Models (Part 4)
- Brewer-Nash Model Explained — Security Models (Part 5)
- Graham-Denning Model Explained — Security Models (Part 6)
- Harrison-Ruzzo-Ullman (HRU) Model Explained — Security Models (Part 7)
- Take-Grant Model Explained — Security Models (Part 8)
- Noninterference Model Explained — Security Models (Part 9)
- Cryptography Explained — Overview (Part 1)
- Symmetric Encryption Explained — Cryptography (Part 2)
- Asymmetric Encryption Explained — Cryptography (Part 3)
- Hashing Explained — Cryptography (Part 4)
- PKI Explained — Cryptography (Part 5)
- Key Management Explained — Cryptography (Part 6)
- Cryptanalytic Attacks Explained — Cryptography (Part 7)
- Secure Access Service Edge (SASE) Explained
4 · Communication & Network Security
- ARP Explained: How Attackers Find Devices on Your Network
- Identity-Aware Security Explained — Communication & Network Security
- SAVNET (Source Address Validation) Explained in 5 Minutes
- 802.1X Explained: How Network Access Control Keeps Devices Out
5 · Identity & Access Management
- Access Control Models Explained — Overview (Part 1)
- Discretionary Access Control (DAC)
- Mandatory Access Control (MAC)
- Role-Based Access Control (RBAC) Explained — Access Control Models (Part 4)
- Rule-Based Access Control (RuBAC) Explained — Access Control Models (Part 5)
- Attribute-Based Access Control (ABAC) Explained — Access Control Models (Part 6)
- Risk-Based Access Control Explained — Access Control Models (Part 7)
- Passkeys (FIDO2 / WebAuthn) Explained
- SAML vs OAuth vs OpenID Connect: Federated Identity Explained
6 · Security Assessment & Testing
- Adversarial Exposure Validation (AEV) Explained
- SOC 1 vs SOC 2 vs SOC 3 Explained: Type I vs Type II Reports
7 · Security Operations
- Agentic Security Operation Explained — Security Operations
- Incident Response Explained: 7 Steps and NIST SP 800-61 Rev. 3