A USB (Universal Serial Bus) blocker is used to disable the ports into which removable storage devices are plugged in. Portability and ample storage capacity make USBs an easy medium through which data theft can occur. To combat this, USB blocking measures are now integrated into dynamic data loss prevention (DLP) solutions to address all types of sophisticated data security threats.
USB sticks have been the source of multiple data security incidents like the Stuxnet attack. Portable storage devices are also a threat vector for rogue insiders. The top reasons to block USB ports in your organization are to:
USB ports can be blocked using several methods. The most common methods are:
A USB blocker can prevent indiscriminate use of USBs, however, its limitations are too substantial for widespread use. Productivity is increased by 53 percent when employees can use personal mobile devices, which highlights the importance of adopting a strategy that is more inclusive of employee preferences. USB control software built into a data leak prevention solution is a more effective strategy to prevent data theft.
The major disadvantages of USB blockers are: