8+ years in security
Security, understood. Finally.
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
S
SunExplains
Security Practitioner · CISSP
Everything on SunExplains
Six things you’ll actually use
Exam Prep
CISSP Notes
Domain-by-domain revision from a certified practitioner. Cut through noise, revise what matters.
8 domains covered↗
Architecture
Design References
Visual architecture patterns and secure design thinking. Build systems right from the start.
Visual explainers↗
Engineering
Automations
Real engineering assets you can use today. Scripts, pipelines, tools built for practitioners.
Ready to use↗
Concepts
Blogs
Concept explainers for people who know the basics. No hand-holding — just clarity.
Live articles↗
Field Lessons
Experiences
What the textbooks don’t tell you — lessons from real security work over 8+ years.
Practitioner stories↗
AI + Security
AI & Fundamentals
Where AI meets security. Use it better — and understand where it quietly makes you wrong.
Growing fast↗
What you’ll actually see
Architecture visuals & diagrams
CISSP Coverage