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
8
CISSP domains documented
Free
Always free
21
Practitioner articles
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CISSP Domain Cheat Sheet
All 8 domains · Practitioner-written · Exam-focused
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Risk & Governance
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Asset Security
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Architecture
4
Network Security
5
IAM
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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 8 domains, broken down

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

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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