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.

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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

CISSPCareer

Is CISSP still worth it in 2026? A salary-data answer

The market changed in 2024 and 2025. I pulled CISSP salary data from three job boards to answer a question I get twice a week, and the answer surprised me in one specific way.

Apr 17, 2026, 4:10 PM · 4 min read

CISSPISC2

The CISSP 2024 format change, two years in: what we actually learned

ISC² shortened CISSP to 100–150 questions in April 2024 and made CAT the default globally. Here is what changed in practice, based on our 1,000-question audit and candidate feedback through early 2026.

Apr 17, 2026, 8:30 AM · 4 min read