r/cissp is a subreddit with 96k members. The most common kinds of discussions are advice requests and pain & anger, and the community frequently discusses cissp, struggling, passed, looking, 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
: "Passed CISSP today at 100 questions with around 80 minutes left. Free resources only."
13 posts
#2
Pain & Anger
: "Nothing I studied mattered"
2 posts
#3
Self-Promotion
: "I passed my CISSP 2 months ago and want to pay it forward. I'm willing to give these away for free to anyone who is SERIOUSLY studying for the CISSP."
2 posts
#4
Solution Requests
: "I built a CISSP prep app with a 4,063-question bank and a real adaptive (CAT) mock exam — 3 lifetime codes for honest feedback"
1 post
Popular Topics in r/cissp
#1
Cissp
: "Passed Cissp on my first attempt at 100Q with 80mins left 🎉"
23 posts
#2
Struggling
18 posts
#3
Passed
: "Passed CISSP today at 100 questions with around 80 minutes left. Free resources only."
18 posts
#4
Looking
16 posts
#5
Study
: "Looking for a Study buddy for prep"
14 posts
#6
Questions
: "Passed in 150 Questions! 🙌🏾"
13 posts
#7
Exam
: "Passed the Exam"
11 posts
#8
Pass
: "Passed in 150 Questions! 🙌🏾"
4 posts
#9
Security
: "Passed The Week After Taking SecurityX"
3 posts
#10
Prep
: "Passed at 100 questions - detailed Prep / resource review"
3 posts
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
: "Passed in 150 Questions! 🙌🏾"
40 posts
#2
Study Material
: "Passed CISSP at 101 questions (Nov 2024) — sharing a completely FREE study guide I built to give back"
5 posts
#3
Unsuccess Story
: "Did not pass at 150q"
5 posts
#4
Other/Misc
: "Demotivated for 2nd attempt"
5 posts
#5
General Study Questions
: "Those of you who have passed, have you faced these kinds of questions often?"
5 posts
#6
Pre-Exam Questions
: "How hard is this exam really?"
5 posts
#7
Study Material Questions
: "Quantum exam"
4 posts
#8
Post-Exam Questions
: "Failed at 100"
3 posts
#9
Exam Questions
: "Reasonable Accommodations"
1 post
Member Growth in r/cissp
Yearly
+12k members(13.7%)
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About
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Last updated: August 27, 2026