IT Professional with 10 Years of Experience Seeks Advice on Overcoming Imposter Syndrome in Lead Infosec Role

The poster has 10 years of IT experience, including 8 years in networking and systems administration and 2 years in information security, currently holding a Lead Infosec Analyst role. They feel their knowledge does not match peers with 10 years of security-specific experience and seek advice on certifications (CISSP, CISM, OSCP, or SANS), skill-building strategies, and whether to focus on GRC/management or technical engineering. They describe their current position as stable and well-paid but lacking challenge and depth.