CompTIA Stackable Certification: no separate exam or fee — awarded automatically when the listed CompTIA certifications are held and active; expires with the earliest underlying cert. Requires: A+, Network+ and Security+. Secure Infrastructure Specialist confirmed = A+ + Network+ + Security+, no separate exam.
No formal prerequisites are published; anyone can register for the exam.
Valid for 3 years, 50 CEU credits per cycle, $50/yr maintenance fee. Renew by cpe.
Continuing Education fee roughly $25–$50/yr, depending on the certification. Earning a higher CompTIA cert (e.g. CySA+) renews the ones below it.
Auto-awarded CompTIA pathway credential; employers ask for the underlying certs rather than the stack