Control physical access at the USB port before it becomes a data-loss event. This SYBA Multimedia USB port blocker is designed to help security teams limit unauthorized peripheral connections on exposed endpoints, shared PCs, and public-facing systems. By blocking unused ports, it adds a simple but effective layer of physical control where software-only policies may not be enough. The 1-key and 4-lock configuration supports managed deployment across multiple ports while keeping removal restricted to authorized personnel. That matters in environments where endpoint integrity, chain-of-custody discipline, and tamper resistance are part of the operating standard. It is a straightforward way to reduce casual misuse, accidental insertion, and opportunistic attacks through removable media. For organizations that need a low-friction control at scale, this kit offers a clean fit for deskside security programs, lab environments, and customer-facing devices. It is the kind of small hardware decision that helps protect larger investments in compliance, uptime, and endpoint governance.