SunExplains — Security for Practitioners


CISSP Certified

8+ years in security

Security,
understood.
Finally.

CISSP Certified

8+ years in security

Why SunExplains is different
Written by a certified practitioner — not a content team
AI + fundamentals framing you won’t find elsewhere
Real automations and architecture refs, not just theory

8+
Years in
security

10
CISSP domains
documented

0$
Always
free

Practitioner
articles

S
SunExplains
Security Practitioner · CISSP
CISSP
8+ Years
Zero Trust
Cloud Sec


Free Download
CISSP Domain
Cheat Sheet
All 8 domains · Practitioner-written · Exam-focused

1

Risk & Governance

2

Asset Security

3

Architecture

4

Network Security

5

IAM

+3

More inside…

Get the cheat sheet — free

✓ Check your inbox!
No spam. Unsubscribe any time.

CISSP Certified8+ Years ExperienceCISSP NotesDesign ReferencesAutomationsAI and SecurityZero TrustRisk and GovernanceCloud SecurityPractitioner-Written
CISSP Certified8+ Years ExperienceCISSP NotesDesign ReferencesAutomationsAI and SecurityZero TrustRisk and GovernanceCloud SecurityPractitioner-Written

Why SunExplains

Not another security blog

01
CISSP-certified author

Every word written by someone who sat the exam, passed it, and built real security systems. Not a content agency.

Generic contentCertified practitioner

02
AI + fundamentals lens

AI makes you faster — dangerously wrong without solid fundamentals. This site exists to close that gap.

AI hypeAI + strong foundations

03
Real assets, not theory

Automations you can run, architecture references you can use, notes structured for real exam success.

Theory onlyUsable assets

CISSP Coverage

All 10 domains, broken down

View CISSP Notes →

Risk & Governance
Live
Cryptography
Coming soon
AI in Security
Coming soon
Data Security
Coming soon
Identity & Access
Coming soon
Network Security
Coming soon
Security Architecture
Coming soon
Assessment & Testing
Coming soon
Security Operations
Coming soon
Cloud Security
Coming soon

Fresh from the blog

Latest articles

All articles →

Live · Refreshed

More ways to learn

Not just a blog

A full practitioner toolkit — visuals, notes, automations, and real-world lessons. Built by a CISSP with 8+ years in the field.

Explore all resources ↗

Visual Explainers
Architecture diagrams & concept maps
CISSP Notes
Domain-by-domain structured revision
Automations
Real scripts & engineering assets
Field Experiences
Lessons from real security practice