Building Security Engineering competency is accessible because you already implement access controls, encryption, audit logging, compliance measures, and identity management (Active Directory, LDAP). Your authentication mechanism expertise, security monitoring knowledge, and understanding of data protection regulations transfer directly. The main new skills are comprehensive security architecture, threat modeling, penetration testing, and broader security tools, but your specialization in database security, SQL injection prevention, data masking, and secure configuration makes learning security engineering patterns more intuitive. Database Administration competency shares approximately 35-40% overlap with Security Engineering through database security practices.