Public Wi-Fi Insecurity – Part Deux, For Compliance Sakes

### Executive Summary This blog post warns small and medium businesses that offering public Wi‑Fi can create significant PCI‑DSS compliance and liability exposure if IT controls are lacking. It explains how poorly managed wireless deployments can bring cardholder data into scope, lead to auditor findings and insurance complications, and recommends avoiding guest Wi‑Fi unless proper segmentation, RADIUS/certificates, DLP, web filtering, policies, and vendor management are in place; interim mitigations include using telephone‑line card terminals and training staff.