r/cissp
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…
How to think about r/cissp
The community focuses on the Certified Information Systems Security Professional (CISSP) certification, providing a platform for individuals preparing for the exam or sharing their experiences post-exam. Members engage in discussions about study methodologies, materials, and exam strategies, fostering a collaborative environment for knowledge sharing. The community is characterized by its emphasis on rigorous study practices and a supportive atmosphere for both new and experienced cybersecurity professionals.
Confidence 4/5
Audience
Participants primarily include cybersecurity professionals, students, and individuals seeking to enhance their credentials through CISSP certification. The demographic is likely to consist of adults aged 25-40, with a mix of seasoned experts and newcomers. Members are motivated by career advancement and a desire to deepen their understanding of information security, contributing to a vibe that is serious yet collaborative.
Posting culture
The posting culture encourages detailed discussions, study tips, and personal experiences related to the CISSP exam. Content that includes thorough write-ups, visual aids, and practical advice tends to thrive, while superficial posts or blatant self-promotion are often downvoted. Members are encouraged to share their study resources and insights, with a cadence that reflects ongoing exam preparation, especially during peak exam seasons.
Brand engagement notes
Brands looking to engage with this community should prioritize providing value through educational content, such as study guides, webinars, or tools that aid in exam preparation. Direct promotion is generally unwelcome, so brands should avoid overt marketing tactics. Instead, they can build credibility by participating in discussions, answering questions, and sharing relevant resources that align with the community's focus on CISSP certification. Authentic engagement is key to gaining acceptance.
Top keywords
What r/cissp talks about
Weighted by how often each term appears in posts and comments, relative to baseline frequency. The largest words are the strongest signals of community focus.
External signals
Where the community looks
Top external domains linked from posts and comments — a quick read on the sources of truth this audience trusts.
Top contributors
Who shapes the conversation
The most active and most-upvoted posters and commenters in this community. Useful when planning outreach or studying a community's tastemakers.
Top posters
By post count
- u/[deleted]
- u/GwenBettwy
- u/smencik
- u/prabhnair1
- u/b_secure
- u/Luke_Ahmed
- u/Traditional_Round680
- u/Emotional-Meeting753
- u/ezsnipa
- u/neon___cactus
- u/overmonk
- u/anITprofessor
- u/computerchipsanddip
- u/RealLou_JustLou
- u/FirefighterNo7790
- u/Mike20_
- u/Kennedystyle
- u/Commforceone
- u/Individual_Tutor_141
- u/robot_ankles
- u/Sorry-Ad-1452
- u/Enricohimself1
- u/ososbek
- u/Witty-Date8860
- u/Security-Meow
- u/jtrojnar227
- u/g00gleg00n
- u/Pale_Ocelot2177
- u/Busy-Procedure9458
- u/ugonikon
- u/No_Analysis_2858
- u/anwserman
- u/cyberDon007
- u/Overall_Paramedic_51
- u/D1CCP
- u/lakerskb248
- u/Consistent-Brain8465
- u/b1nkh4x0r
- u/Deodandy
- u/BrijFower
- u/EnduranceGeek
- u/nk38
- u/_Pizzas
- u/SEW786
- u/NewMombasaNightmare
- u/Whole_Experience8191
- u/321beachlife
- u/arscribs
- u/DaveOnCyber
- u/Human-Stage-200
- u/maia_mchv
- u/syedahmedd
- u/Gold_knuckles
- u/OleTvck
- u/Kcin41
- u/ahill74
- u/nilicule
- u/orionsmasta
- u/dechapuun
- u/aks0771
- u/chevinke
- u/scovyman
- u/SomniumInterimo
- u/TinyOstrich7999
- u/Due-Prize1816
- u/GroceryNatural8344
- u/DementorDouche
- u/StormAlert5986
- u/lokisavo
- u/rockisnotdead
- u/DeadBeatAnon
- u/Ok-Necessary6167
- u/ExhaustedCISSP
- u/MutedIndividual9907
- u/spicyszechuansauce
- u/chmsant
- u/StebenY
- u/LTpicklepants
- u/Jus4Q
- u/KimchiPunisher
- u/_BoNgRiPPeR_420
- u/Ipswich69
- u/RubyRoster
- u/Natural_Party6499
- u/The_Techie_Chef
- u/jonathan2090
- u/Flat-Obligation-5609
- u/The-Rampallian
- u/Inevitable-Run-7979
- u/No_Election7114
- u/N_I_N
- u/ssc67
- u/GajeshM
- u/okiewreck
- u/minute_walk2
- u/serviceNowS
- u/monkeybutt111
- u/kilogigabyte
- u/Hgh43950
- u/indie_cock
By votes
- u/[deleted]
- u/ezsnipa
- u/smencik
- u/Luke_Ahmed
- u/neon___cactus
- u/GwenBettwy
- u/anITprofessor
- u/Mike20_
- u/gunmetal5
- u/Traditional_Round680
- u/Kilgrinus
- u/Deodandy
- u/overmonk
- u/Emotional-Meeting753
- u/EnduranceGeek
- u/BrijFower
- u/Whole_Experience8191
- u/prabhnair1
- u/luvcraftyy
- u/SEW786
- u/robot_ankles
- u/nk38
- u/Individual_Tutor_141
- u/arscribs
- u/matombo1
- u/bobinboulder
- u/_Pizzas
- u/RealLou_JustLou
- u/computerchipsanddip
- u/b_secure
- u/maia_mchv
- u/OleTvck
- u/Security-Meow
- u/joshmadakor
- u/321beachlife
- u/Enricohimself1
- u/cw2015aj2017ls2021
- u/jtrojnar227
- u/Commforceone
- u/gibson_mel
- u/Kennedystyle
- u/Gold_knuckles
- u/Sorry-Ad-1452
- u/g00gleg00n
- u/NewMombasaNightmare
- u/dredog90
- u/Human-Stage-200
- u/Basic-Bottle-7310
- u/MiacidaeObsidian
- u/aks0771
- u/Witty-Date8860
- u/FirefighterNo7790
- u/Delta31_Heavy
- u/ososbek
- u/syedahmedd
- u/dechapuun
- u/Study27
- u/4larin100
- u/Pale_Ocelot2177
- u/TTL_Expired
- u/nilicule
- u/anwserman
- u/DaveOnCyber
- u/SignificantTrack
- u/No_Analysis_2858
- u/DumbSecurity
- u/Toshana
- u/Kcin41
- u/TinyOstrich7999
- u/scovyman
- u/TheRealG43
- u/GroceryNatural8344
- u/xxxSsoo
- u/ahill74
- u/SpamReason
- u/NateOfLight
- u/Immediate-Trust1041
- u/ryushi07
- u/orionsmasta
- u/Ok-One1008
- u/Zepperonii
- u/mattymech32
- u/surfboard93
- u/Mysterious_Grape_841
- u/Legitimate_Resist_19
- u/StebenY
- u/pinkstamp
- u/ShanIntrepid
- u/kindapedrator
- u/FoldSame7292
- u/SomniumInterimo
- u/Due-Prize1816
- u/ugonikon
- u/cyberDon007
- u/realeazy93
- u/imhere-because
- u/sideq501
- u/StarSpliter
- u/Pretend_Worker_295
- u/Sad_Summertron
Top commenters
By comment count
- u/computerchipsanddip
- u/[deleted]
- u/JoeEvans269
- u/Traditional_Round680
- u/g00gleg00n
- u/achego
- u/arscribs
- u/SolarSurfer11
- u/rockisnotdead
- u/Rorolespronos
- u/anITprofessor
- u/_BoNgRiPPeR_420
- u/KursedBeyond
- u/Luke_Ahmed
- u/newcar2020
- u/NothingFlaky6614
- u/abhilash841
- u/AdRemarkable2457
- u/SteadfastEnd
- u/544C4D4F
- u/Deep-Explanation-564
- u/GwenBettwy
- u/gfreeman1998
- u/Effective-Ad8694
- u/smacks77
- u/Zero-day_22
- u/ribas456
- u/Emotional-Meeting753
- u/Salt_Adhesiveness161
- u/Whole_Experience8191
- u/buddroyce
- u/KratosVsAtreus
- u/b_secure
- u/BenMalisow
- u/neon___cactus
- u/Necessary_Oil1679
- u/StCyborg
- u/Expensive-Group5307
- u/ssc67
- u/gibson_mel
- u/Shank_Aim
- u/Playful_Jackfruit667
- u/AdAdmirable8824
- u/echopskie1123
- u/StrangerEffective851
- u/Disastrous-Horse-146
- u/cyberguy8332
- u/nilicule
- u/Rocco_SYS
- u/IttsssTonyTiiiimme
- u/ITEnthus
- u/Anakin_Sandwalker13
- u/crocwrestler
- u/ObscureAintSecure
- u/No_Interest_5818
- u/Ok-Force2980
- u/drackos22
- u/Complete-Paint6567
- u/citrus_sugar
- u/bkboygenius
- u/betterme2610
- u/ke-thegeekrider
- u/LookAtMyTARDIS
- u/cycl0ne89
- u/HeinousAlmond3
- u/adm5893
- u/Alfred_Tham
- u/dkumarjs
- u/incogvigo
- u/No_University_8445
- u/Commit-or-Crash
- u/Silver_Cartoonist639
- u/PweatySenis
- u/Kinops
- u/bpj88
- u/kyuuzousama
- u/daweinah
- u/iMBAnewbie
- u/Hansmester
- u/Jarnagua
- u/Robw_1973
- u/Enricohimself1
- u/thisisrodrigosanchez
- u/Beneficial-Coach-725
- u/Radiant_Sandwich7828
- u/TheUnalteredState
- u/RealLou_JustLou
- u/Key-Argument-5078
- u/DeathwatchDoc
- u/AlwaysWorking2880
- u/Kind-Cantaloupe8860
- u/BosonMichael
- u/JLR30USN
- u/Laurie_-_Anne
- u/boubou_kayakaya
- u/Awkward-Buffalo-2867
- u/Hash_Thinking
- u/Pmpiin
- u/DumbSecurity
- u/GoodbyeIPv4
By votes
- u/computerchipsanddip
- u/_BoNgRiPPeR_420
- u/gibson_mel
- u/[deleted]
- u/JoeEvans269
- u/booboothechicken
- u/Luke_Ahmed
- u/cabell88
- u/neon___cactus
- u/TheUnalteredState
- u/echopskie1123
- u/IT_CertDoctor
- u/Jazzcron
- u/tullymon
- u/Traditional_Round680
- u/mattymech32
- u/LookAtMyTARDIS
- u/BuckyGoat
- u/epriet20
- u/keving216
- u/KratosVsAtreus
- u/g00gleg00n
- u/achego
- u/isoaclue
- u/Salt_Adhesiveness161
- u/arscribs
- u/bseaman77750
- u/Effective-Ad8694
- u/morse-horse
- u/SteadfastEnd
- u/matombo1
- u/unsupported
- u/GwenBettwy
- u/anITprofessor
- u/cuzintheboss
- u/WildSale9543
- u/Jarnagua
- u/Shadow_Road
- u/SolarSurfer11
- u/Ginks84
- u/nealfive
- u/rockisnotdead
- u/NothingFlaky6614
- u/YDKftw
- u/544C4D4F
- u/Rorolespronos
- u/KursedBeyond
- u/b_secure
- u/gfreeman1998
- u/smacks77
- u/RealLou_JustLou
- u/boubou_kayakaya
- u/quantum_entanglement
- u/Zero-day_22
- u/Disastrous-Horse-146
- u/Anakin_Sandwalker13
- u/Reverse_Quikeh
- u/MoonTsukii
- u/Robw_1973
- u/kmartburrito
- u/lumberjackadam
- u/citizenLK
- u/ribas456
- u/Asleep-Specialist976
- u/Whole_Experience8191
- u/buddroyce
- u/BenMalisow
- u/Small_Definition_123
- u/Beneficial-Coach-725
- u/dredog90
- u/slytherinshawty
- u/Exciting-Hedgehog-89
- u/kristiantaylor1
- u/kilogigabyte
- u/xThisIsTheW4y
- u/StrangerEffective851
- u/ObscureAintSecure
- u/Ok-Force2980
- u/TikTokNoob
- u/smencik
- u/IcyBarrels
- u/AdRemarkable2457
- u/AAG_2
- u/Deep-Explanation-564
- u/Necessary_Oil1679
- u/StCyborg
- u/ssc67
- u/Enricohimself1
- u/Playful_Jackfruit667
- u/No_Condition9620
- u/crocwrestler
- u/No_Interest_5818
- u/16Gym
- u/sidney104
- u/drackos22
- u/Life-Improvement-886
- u/bkboygenius
- u/betterme2610
- u/incogvigo
- u/PweatySenis
Similar communities
Where this audience also spends time
Topic-adjacent communities surfaced from Reddit's own related subreddit signal.
FAQ
r/cissp — frequently asked questions
Quick facts about this subreddit's size, history, focus, and related communities.
How many subscribers does r/cissp have?
r/cissp has approximately 91,310 subscribers as of May 27, 2026.
When was r/cissp created?
r/cissp was created on March 30, 2011 (15 years ago).
What is r/cissp about?
The community focuses on the Certified Information Systems Security Professional (CISSP) certification, providing a platform for individuals preparing for the exam or sharing their experiences post-exam. Members engage in discussions about study methodologies, materials, and exam strategies, fostering a collaborative environment for knowledge sharing. The community is charac…
What subreddits are similar to r/cissp?
Communities similar to r/cissp include r/ccsp, r/cism, r/cybersecurity, r/asknetsec, r/securitycareeradvice.
Who are the most active posters on r/cissp?
The most frequent posters on r/cissp include u/[deleted], u/GwenBettwy, u/smencik.
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