ZeroDay Labs is a cybersecurity certification training platform built for professionals who want to pass — not just study. Our adaptive practice engine pinpoints your weak domains in CompTIA Security+ (SY0-701) and (ISC)² CISSP, then targets your training there — so you're never wasting time on material you already know. Features include adaptive practice exams that mirror real exam formats (including CISSP's CAT), 168+ scenario-based topic quizzes, domain-mapped study guides.