r/cissp is a subreddit with 97k members. The most common kinds of discussions are advice requests and pain & anger, and the community frequently discusses cissp, struggling, exam, passed, and study, and they frequently recommend/review study resources and study material.
This sub is for those that are pursuing the CISSP® and those that have taken the exam and wish to provide feedback on the study methodology and materials employed. This sub is not supported or managed by ISC2 or its affiliates. This is an unofficial CISSP® Reddit sub.
Information about experience requirements/endorsement/CPEs can be found at https://www.isc2.org/
Popular Themes in r/cissp
#1
Advice Requests
: "Budget-constrained (24) — Need advice on affordable study materials and shifting to the "manager mindset""
7 posts
#2
Pain & Anger
: "Passed at 100Q today - 1st attempt"
2 posts
#3
Money Talk
: "U.S. $50 due on Dec 31 for the Candidate status (The Badge)!"
2 posts
#4
Self-Promotion
: "Looking to sell all the books I used to pass. At least $100 plus shipping for all of it."
1 post
Popular Topics in r/cissp
#1
Cissp
: "UPDATE: I PASSED Cissp at 100 questions! My experience and a big THANK YOU!"
21 posts
#2
Struggling
18 posts
#3
Exam
9 posts
#4
Passed
: "UPDATE: I Passed CISSP at 100 questions! My experience and a big THANK YOU!"
5 posts
#5
Study
2 posts
#6
Endorsement
2 posts
#7
Score
: "UPDATE: I PASSED CISSP at 100 questions! My experience and a big THANK YOU!"
2 posts
#8
Multiple Attempts
: "3rd attempt, finally passed at 104. Thank god!"
2 posts
#9
Boot Camp
1 post
#10
Retention
1 post
Products Discussed in r/cissp
Study Resources
11 reviews
#1
OSG
4.7★ from 3 reviews
#2
Destination Certification
5.0★ from 1 review
#3
Bozon
4.0★ from 1 review
Study Material
6 reviews
#1
Quantum Exam
4.0★ from 1 review
#2
MasterClass
4.0★ from 1 review
#3
LearnZapp
4.0★ from 1 review
Flair Used in r/cissp
#1
Success Story
: "UPDATE: I PASSED CISSP at 100 questions! My experience and a big THANK YOU!"
16 posts
#2
Other/Misc
: "Taking exam in a few hours"
6 posts
#3
General Study Questions
: "What Are You All Doing To Pass?"
6 posts
#4
Study Material Questions
: "Teaching materials"
4 posts
#5
Pre-Exam Questions
: "My confidence is very low"
2 posts
#6
Post-Exam Questions
: "Another frustrated job seeker"
2 posts
#7
Study Material
: "Push yourself.."
2 posts
Member Growth in r/cissp
Yearly
+11k members(13.0%)
Similar Subreddits to r/cissp
r/capm
20k members
26.5% / yr
r/CompTIA
311k members
10.8% / yr
r/IELTS
135k members
41.8% / yr
r/isc2
12k members
39.4% / yr
r/ITIL
20k members
18.0% / yr
r/oscp
94k members
20.6% / yr
r/paralegal
81k members
34.0% / yr
r/pmp
132k members
24.6% / yr
r/Student
45k members
31.9% / yr
r/studying
77k members
39.7% / yr
About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/cissp, including current member size, discussion patterns, product reviews, and related communities to explore.
This data is synced periodically so insights stay current and useful for ongoing research.
Last updated: October 26, 2026