Certification · Altered Security
Certification CRTP
CRTP (Altered Security) teaches practical, affordable Active Directory attack and abuse. Very popular as an entry into AD red teaming.

Verified at the source
Your CRTP, with the title and the proof
Import your CRTP from Credly with the issuer verified and show it next to your hands-on activity. No loose PDFs: a professional page with the title and the proof that you can apply it.
- Certification verified from Credly
- Next to your HackTheBox, bug bounty and GitHub activity
- One link for job applications and LinkedIn

Show your CRTP verified
Free. Imported from Credly. No card.
What is the Certified Red Team Professional (CRTP)?
CRTP (Altered Security) teaches practical, affordable Active Directory attack and abuse. Very popular as an entry into AD red teaming.
- Issuer: Altered Security
- Discipline: Red Team
- Category: Red Team
- Level: Intermediate
Who is the CRTP for?
Entry into Active Directory red teaming. Do not collect acronyms: one or two certifications well chosen for the role you are targeting, backed by practical evidence, are worth more than ten on paper.
How to prove your CRTP (so it is not "just another CV line")
A certification opens the door, but what convinces is seeing it next to the practice. On CyberProfile your CRTP is imported verified from Credly and shown next to your real activity — HackTheBox machines, bug bounty reports, GitHub projects — so recruiters see both the title and the proof that you can use it. All in one public link, free and always up to date.
Frequently asked questions
What is the CRTP certification?
CRTP (Altered Security) teaches practical, affordable Active Directory attack and abuse. Very popular as an entry into AD red teaming.
Who is the CRTP for?
Entry into Active Directory red teaming. It is an intermediate certification focused on red team within the Red Team discipline, issued by Altered Security.
How do I show my CRTP in a verified way?
With CyberProfile: if your CRTP is on Credly, it is imported with the issuer verified and shown on your public profile, next to your hands-on activity (machines, reports, projects). Recruiters see the title and the proof that you can apply it, in a single link.
Is the CRTP worth it?
It depends on your role and starting point. A certification opens doors, but what convinces is seeing it alongside practical evidence. Prioritize the ones that fit the job you are targeting and back them with demonstrable results.
Show your CRTP verified for free
The title and the proof that you can apply it, in a single link.
- Free forever
- No credit card
- Ready in 60s
- Verified at the source