Locked In: Prep for CISSP
CISSP exam study companion
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
All 8 CISSP domains in bite-sized lessons, with diagrams, scenario questions, flashcards, and a full 50-question timed mock exam. Offline, one-time unlock.
Locked-In is a bite-sized study companion for the (ISC)2 Certified Information Systems Security Professional (CISSP) exam. Built for working security pros who study in 10-minute windows — on the train, on lunch, or between meetings. Every lesson is short, focused, and ends with a quick-check so you know what stuck.
WHAT'S INSIDE
- All 8 CISSP exam domains, broken into bite-sized lessons
- Visual diagrams for key concepts — security models, OSI layers, cryptography, IAM, network architecture, the risk lifecycle, and more
- Inline quick-checks at the end of each lesson
- A practice bank of 320 multiple-choice questions, organized by domain and difficulty
- Scenario-style questions with detailed answer explanations
- A full 50-question, 75-minute timed mock exam with flag-for-review and a final review screen
- Flashcard deck of must-know terms with SM-2 spaced repetition
- Searchable glossary covering every acronym you'll see on test day
- Progress tracking, streaks, bookmarks, and personal notes
- Weak-spot review that surfaces the topics you keep missing
WHO IT'S FOR
- Security analysts and engineers preparing for the CISSP alongside a day job
- IT pros moving into security management and governance roles
- Career changers building toward a senior security credential
WHY LOCKED-IN
- Works fully offline — no account, no tracking, no ads
- One-time unlock, no subscription
- Content aligned with the current CISSP exam outline
FREE TIER AND FULL UNLOCK
Domain 1's first topic is fully free, plus a preview lesson from every other domain. The one-time $14.99 unlock opens everything — all 8 domains, the full 320-question practice bank, every flashcard, and the timed mock exam.
Not affiliated with, endorsed by, or sponsored by (ISC)2. CISSP and (ISC)2 are registered marks of International Information System Security Certification Consortium, Inc. Locked-In is an independent study aid.
Ratings & Reviews
Version 2.0 is a major refinement of Locked-In:
• Improved layouts across iPhone and iPad
• Clearer navigation and study-progress feedback
• Refined lessons, quizzes, flashcards, and practice flows
• Accessibility and readability improvements
• Reliability and performance fixes throughout
The developer, OMAR DANIEL GRAZIANO, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- OMAR DANIEL GRAZIANO
- Size
- 4.5 MB
- Category
- Education
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
- English
- Age Rating
9+
- 9+
- Infrequent
Mature or Suggestive Themes
- In-App Purchases
Yes
- Locked-In CISSP Full Unlock $14.99
- Copyright
- © 2026 Omar Graziano
