Do you always step away from your PC without locking it? Someone can easily steal your data with a USB drive or forward it via the network. With Port Locker, data theft is no longer a threat. Simply lock your USB port, printer and internet access for total protection! Port Locker is a data protection software application that reduces the risk of data leakage and data theft by locking and blocking USB ports from unauthorized data access via pen drives, memory cards, flash drives. It also restricts unauthorized printing and data transfer through the network.