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, exam, 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
: "CISSP exam next week — need some honest guidance"
16 posts
#2
Pain & Anger
: "Failed CISSP: struggling with the gap between the official practice questions and the real exam"
1 post
#3
Self-Promotion
: "Selling CIPPE official textbook. With a few official and unofficial mocks for a REASONABLE rate."
1 post
Popular Topics in r/cissp
#1
Cissp
: "I passed my Cissp exam today!"
37 posts
#2
Exam
: "I passed my CISSP Exam today!"
25 posts
#3
Struggling
18 posts
#4
Looking
15 posts
#5
Study
12 posts
#6
Passed
: "I Passed my CISSP exam today!"
11 posts
#7
Cissp Exam
: "I passed my Cissp Exam today!"
9 posts
#8
Passed Cissp
: "Just Passed Cissp today!"
7 posts
#9
Prep
: "Passed my exam on first try today, 6 months of Prep, 100 questions, 68min left"
4 posts
#10
Exam Prep
: "CISSP Exam Prep: Single Sign-On (SSO) vs Centralised AAA | Scenario Question (Ep1) in English"
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 the CISSP! 150Q with 1 minute left"
5 posts
#2
General Study Questions
: "Refining study approach 3 weeks out"
4 posts
#3
Study Material
: "Why is the answer D?"
2 posts
#4
Study Material Questions
: "Preparation material exam"
2 posts
#5
Pre-Exam Questions
: "CISSP exam in ~2 weeks Tips for Enhancing Score?"
2 posts
#6
Other/Misc
: "How did CISSP affect your career?"
1 post
#7
Post-Exam Questions
: "About the Master’s Degree waiver"
1 post
#8
Exam Questions
: "2 Questions for those of you who have already taken and passed the exam."
1 post
#9
Unsuccess Story
: "Failed in 1st attempt"
1 post
Member Growth in r/cissp
Yearly
+11k members(13.5%)
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About
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Last updated: September 23, 2026