r/cissp is a subreddit with 95k members. The most common kinds of discussions are advice requests and pain & anger, and the community frequently discusses cissp, passed, struggling, 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."
5 posts
#2
Pain & Anger
: "Nothing I studied mattered"
1 post
#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."
1 post
Popular Topics in r/cissp
#1
Cissp
: "Passed Cissp yesterday — 100 questions, ~58 min left on the clock"
21 posts
#2
Passed
: "Passed CISSP today at 100 questions with around 80 minutes left. Free resources only."
21 posts
#3
Struggling
18 posts
#4
Looking
16 posts
#5
Study
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
100q
: "FINALLY PASSED! 100q 100min left"
3 posts
#10
Minutes
: "I Passed Today At 100 Questions with 62 Minutes Remaining"
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! 🙌🏾"
65 posts
#2
Unsuccess Story
: "Failed 😞"
2 posts
#3
Post-Exam Questions
: "Failed at 100"
1 post
#4
Other/Misc
: "Demotivated for 2nd attempt"
1 post
Member Growth in r/cissp
Yearly
+12k members(13.8%)
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About
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Last updated: August 13, 2026