USB Power Issues: Why Some CAC Readers Need Powered Hubs

David Mitchell is an IT security specialist with over 15 years of experience supporting DoD smart card infrastructure. He has managed CAC reader deployments across multiple military installations and federal agencies, providing technical guidance on PKI implementation, HSPD-12 compliance, and identity management systems. David holds CISSP and Security+ certifications and has contributed to DISA smart card technical documentation.