Pruvos Journal
Notes from the exam-prep trenches
Essays on certification study, exam traps, and cloud-security careers, written by the people who generate the 28,000+ questions in Pruvos.
CISSPDomain 3
CISSP Domain 3: three mental models that make it click
Security Architecture is the hardest CISSP domain. It is also the one where memorization fails hardest. Here are the three mental models I teach instead.
Gagan Walia·Apr 18, 2026, 10:30 AM·4 min read