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Train the questions you'd miss on exam day.

Adaptive questions, real exam-day pressure, and progress that syncs across every device. Calibrated by Item Response Theory, not guesswork.

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  • 14 certifications
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Live previewCISSP · Asset Security

What is the primary purpose of data classification?

Ability estimate+0.0Chance on this item54%
10ability (θ)

Item characteristic curve. The marker is your ability estimate; it moves with every answer.

Synced · iOS · Web · Android

Before the method, the obstacle. Why would you miss a question you half-know?

Your study method is the problem. Not the exam.

Memorizing without feedback

You re-read the same chapters and highlight the same lines. But without adaptive feedback, you're reinforcing what you already know — not closing the gaps that fail you.

No exam-day pressure

The real exam gives you 250 questions in 6 hours. Your study app gives you unlimited time and no stakes. When test day hits, the pressure is a shock.

Progress trapped in one device

You study on your laptop at home, your phone on the train, and a tablet at lunch. But your progress doesn't travel with you. Every switch resets your momentum.

Traditional prep

  • Same questions for everyone
  • No time pressure simulation
  • Progress stuck on one device
  • Generic explanations

CyberPrep

  • Adapts to your weak domains
  • Timed exam-mode practice
  • Real-time sync across all devices
  • Deep explanations with concept links

So this is what studying one question actually looks like. Follow one through the engine.

Follow one question through the engine.

01Why this question reached you

It reached you on purpose

Item Response Theory calibrates every question by difficulty, discrimination, and guessing. This one landed in front of you because Asset Security is where your ability estimate is thinnest. Nothing you already know gets repeated.

IRT ability (θ)
1.45Proficient
−3.0+3.0
Q1
Easy
Q2
Medium
Q3
Hard
Q4
Adaptive
02How you come to understand it

Then it is taken apart

Most apps tell you which answer was right. CyberPrep explains all four: why the correct option holds, and why each distractor is the trap it is. That is how you learn to read the exam, and every explanation links to its domain.

What is the primary purpose of data classification?
ATo comply with legal requirements
Compliance is an outcome of classifying well, not its purpose. This is the answer that feels safe.
BTo ensure appropriate protection levels
Classification assigns sensitivity, and sensitivity drives the controls applied. That is the cause, not the effect.
CTo reduce storage cost
A real benefit of lifecycle policies, but unrelated to why you classify in the first place.
DTo simplify access control lists
Classification can inform ACLs, yet simplifying them is downstream, not the primary goal.
Domain 2 · Asset SecurityEvery option, explained
03How the answer is recorded

And it moves your standing

Answering this question nudges your Asset Security score and your overall ability estimate. A live view of every domain shows where you are strong, where you are thin, and when the numbers say you are ready.

CISSP domains69%
Security & Risk Mgmt
82%
Asset Security
65%
Security Architecture
78%
Comm. & Network
54%
IAM
71%
Security Assessment
45%
Security Operations
73%
Software Dev Security
38%
04How the work follows you

Wherever you pick it up next

You met this question on your phone at lunch and review it on your laptop at night. Your streak, scores, and history sync in real time across iOS, Android, and Web, so the thread never breaks.

iPhone
47
streak
Browser
47
streak
Android
47
streak
Synced · real time
68%
CISSP mastery
1,240
Answered

Start on your phone, pick up on your laptop.

Your streak, domain scores, and question history sync in real time across iOS, Web, and Android. Start on one, continue on another — your progress never waits.

Asset Security47

What is the primary purpose of data classification?

AComply with legal requirements
BEnsure appropriate protection levels
iPhone
cyberprep.pro/study
Asset Security · Domain 2Synced · just now

What is the primary purpose of data classification?

AComply with legal requirements
BEnsure appropriate protection levels
CReduce storage cost
Browser
Asset Security47

What is the primary purpose of data classification?

AComply with legal requirements
BEnsure appropriate protection levels
Android

One question, taken apart. Now multiply it. The same depth across 13 certifications.

Fourteen certifications, one engine behind every one.

From entry-level Security+ to advanced CISSP. Every certification gets the same depth of coverage, adaptive engine, and cross-device sync.

Security

CISSP
(ISC)² CISSP
616 questions
Sec+
CompTIA Security+
504 questions
CCISO
EC-Council CCISO
474 questions

Cloud

CCSP
(ISC)² CCSP
622 questions
AWS
AWS Solutions Architect
565 questions
AZ104
Microsoft Azure Admin
526 questions
GCP
Google Cloud PCA
552 questions

Governance & Management

CISM
ISACA CISM
678 questions
CISA
ISACA CISA
595 questions
CRISC
ISACA CRISC
350 questions
ITIL
ITIL 4 Foundation
528 questions
PMP
PMI PMP
513 questions
P2F
PRINCE2 Foundation 7
330 questions

Offensive Security

CEH
EC-Council CEH v13
496 questions

AI Security

AAISM
ISACA AAISMComing Soon
AAIA
ISACA AAIAComing Soon
More comingNew certifications added quarterly based on demand.

The loop is the same for everyone who passed. Here are a few of them.

What you’re trusting your 200 hours to.

No borrowed star ratings. Here is the mechanism you can check for yourself.

Calibrated, not crowdsourced

Every question carries Item Response Theory parameters — difficulty, discrimination, guessing. The engine serves what your ability estimate says you haven’t mastered, and skips what you have.

Every option reasoned

Not just the right answer. Each of the four options explains why it holds or why it’s the trap — across 6,900+ questions, so you learn to read the exam instead of memorizing it.

Mapped to the real blueprint

Coverage is tracked against each exam’s published domains. You see where you’re thin by domain, not a single vanity score.

New here: verified reviews land on the App Store and Google Play as the first cohorts sit their exams. Until then, judge the method, not the marketing.

You have seen the whole loop. The only step left is the first one.

One subscription, every device included.

Pay once, study everywhere. Your subscription works on iOS, Web, and Android — including full analytics.

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Annual

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~€7.50/mo

Lifetime

Pay once, study forever.

€179one-time

All plans include access to iOS, Web & Android with real-time sync

All 13+ certifications
Unlimited questions
iOS, Web & Android access
Real-time cross-device sync
Full domain analytics
Adaptive IRT engine
Exam-mode timer
Deep explanations

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Questions before you start

Which certifications does CyberPrep support?

CyberPrep covers CISSP, CISM, CISA, CCSP, CompTIA Security+ (SY0-701), CEH v13, CCISO, AWS Solutions Architect (SAA-C03), Azure Administrator (AZ-104), Google Cloud PCA, ITIL 4 Foundation, PRINCE2 Foundation 7, and PMP. AAISM and AAIA are in progress.

How does the IRT adaptive engine work?

Item Response Theory calibrates every question with difficulty, discrimination, and guessing parameters. The engine estimates your ability after each answer and serves the questions that reveal the most about what you still need to learn, instead of repeating what you already know.

Does my progress sync across devices?

Yes. One account keeps your streak, scores, and question history in sync in real time across iOS, Android, and Web. Answer on your phone during a commute and continue on your laptop at home with no manual setup.

Do I get explanations for wrong answers?

Every question includes a per-option explanation: why the correct answer is right and why each distractor is wrong, with a link back to the specific exam domain so you build understanding rather than memorizing.

Is there a free trial?

You can start for free. Paid plans (monthly, annual, and lifetime) unlock the full question bank, exam-mode timer, and domain analytics across all platforms.

5 questions a day.
90 days to CISSP

You met this question at the top. By day 90, questions like it are the easy ones.

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