Jon Pettyjohn

Jon is a CMMC Registered Practitioner who has been assisting clients with CMMC Readiness after the release of the model and DFARS Assessments since 2016. Jon specializes in NIST SP 800-171 (DFARS) and SP 800-53 based assessments and penetration testing of government and commercial systems.  Jon is the Assessments Director for Aerstone, a CMMC RPO.