Locked In: Prep for SecurityX

Locked-In is a focused study companion for the CompTIA SecurityX (CAS-005) exam — the advanced enterprise cybersecurity certification (formerly CASP+). Built for senior practitioners who study in 10-minute windows between meetings, on the train, or after the kids are asleep. WHAT'S INSIDE • All 4 SecurityX (CAS-005) exam domains, broken into bite-sized advanced lessons • Visual diagrams for the SecurityX-era concepts (Zero Trust components, SASE pillars, STRIDE, NIST CSF 2.0, post-quantum KEM, DevSecOps loop, SBOM flow, and more) • Inline quick-checks at the end of each lesson • A 100+ question advanced practice bank, organized by domain and difficulty • Performance-based questions (PBQs) — drag-and-drop categorize, ordering, and matching • A full 90-question, 165-minute timed mock exam with flag-for-review and a final review screen • Flashcard deck of must-know senior-level terms with SM-2 spaced repetition • Searchable glossary covering modern security vocabulary (CTEM, CNAPP, ITDR, CAEP, SLSA, PQ algorithms, EU AI Act, DORA, and more) • Progress tracking, streaks, bookmarks, and personal notes • Weak-spot review that surfaces the topics you keep missing WHO IT'S FOR • Senior engineers, architects, and consultants targeting CASP+/SecurityX • Security leads moving from Security+ to advanced certification • Practicing CISOs and architects who want a thorough refresh • Anyone who learns better in short, focused sessions than long lectures WHY LOCKED-IN • Works fully offline — no account, no tracking, no ads • One-time unlock, no subscription • Built by an indie developer, not a content mill • Content reflects CAS-005 objectives — Governance, Security Architecture, Security Engineering, Security Operations PRIVACY Locked-In stores your progress on-device. No analytics, no third-party SDKs, no data sold or shared. --- DISCLAIMER Not affiliated with, endorsed by, or sponsored by CompTIA. CompTIA® and SecurityX® are trademarks of CompTIA, Inc.