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CISSP Common Body of Knowledge

Book · Self-help, business & learning books · 10 mentions · 1 subreddit · discussed in r/cissp

Reddit take

Not enough linked mention summaries yet; the source excerpts below are the evidence.

Pros

  • Read OSG & CBK. Took quizzes from each domain
  • I used Destination Cert as my primary book because its easier to understand and CBK as my secondary if I need more details about certain topic.
  • I guess cbk would be domain wise.
  • I can only recommend people to use the CBK or OSG, they should be better preparation resources.
  • CBK ~1/3 (9/10) - Focused on domains 1, 3, some 4/5. Actually found this easier to read than OSG, but would recommend sticking with OSG, since that’s what it was made for.

Cons

  • Previously I had read the entire CBK and it was a much less enjoyable read in my opinion.

Sentiment

9 positive (90%) · 0 mixed (0%) · 1 negative (10%)

Trust + time weighted score: +80% · raw score 80%

What redditors said (10 of 10)

Read OSG & CBK. Took quizzes from each domain
positive · u/r****9 · r/cissp · Nov 16, 2025 · open on Reddit ↗
Previously I had read the entire CBK and it was a much less enjoyable read in my opinion.
negative · u/C****h · r/cissp · comment · Aug 11, 2025 · open on Reddit ↗
I used Destination Cert as my primary book because its easier to understand and CBK as my secondary if I need more details about certain topic.
positive · u/n****8 · r/cissp · comment · Aug 11, 2025 · open on Reddit ↗
I guess cbk would be domain wise.
positive · u/I****8 · r/cissp · comment · Jul 27, 2025 · open on Reddit ↗
I can only recommend people to use the CBK or OSG, they should be better preparation resources.
positive · u/C****0 · r/cissp · Jul 25, 2025 · open on Reddit ↗
CBK ~1/3 (9/10) - Focused on domains 1, 3, some 4/5. Actually found this easier to read than OSG, but would recommend sticking with OSG, since that’s what it was made for.
positive · u/b****9 · r/cissp · Jul 16, 2025 · open on Reddit ↗
I'd take the OSG or CBK over everything in that list.
positive · u/g****s · r/cissp · comment · Feb 27, 2025 · open on Reddit ↗
Both the OSG and CBK cover all the content of the exam. I used the CBK as my primary study material and passed.
positive · u/g****s · r/cissp · comment · Jan 31, 2025 · open on Reddit ↗
I studied for a week. Skimmed through a few sections of the CBK, and watched part of Mike Chappel's LinkedIn Learning videos at 1.25X speed.
positive · u/g****s · r/cissp · comment · Jan 21, 2025 · open on Reddit ↗
The OSG and the CBK are the definitive resources available.
positive · u/g****s · r/cissp · comment · Jan 13, 2025 · open on Reddit ↗

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