r/cissp is a subreddit with 95k members. The most common kinds of discussions are advice requests, and the community frequently discusses cissp, struggling, looking, study, and exam, 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 - My experience and prep"
7 posts
Popular Topics in r/cissp
#1
Cissp
: "From Security Architect to Cissp: How it changed my way of thinking."
23 posts
#2
Struggling
18 posts
#3
Looking
16 posts
#4
Study
: "Made a Free CISSP Study Portal While Preparing for the Exam"
16 posts
#5
Exam
8 posts
#6
Passed
: "Passed CISSP at 100 questions!"
6 posts
#7
Failed
3 posts
#8
Advice
: "Passed CIISP some Advice."
3 posts
#9
100
: "Passed CISSP at 100 questions!"
2 posts
#10
Endorsement
2 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... again"
15 posts
#2
Pre-Exam Questions
: "How hard is this exam really?"
3 posts
#3
Study Material
: "Study plan"
3 posts
#4
Post-Exam Questions
: "Failed at 100"
2 posts
#5
Other/Misc
: "From Security Architect to CISSP: How it changed my way of thinking."
2 posts
#6
Study Material Questions
: "QuantumExams New mode"
2 posts
#7
General Study Questions
: "I need suggestion"
2 posts
#8
Unsuccess Story
: "Failed CISSP — 150 questions, need advice for a 2-month retake plan"
1 post
#9
Exam Questions
: "I built it and passed using it"
1 post
Member Growth in r/cissp
Yearly
+12k members(14.1%)
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Last updated: July 22, 2026