Device Monitoring Studio is a program for monitoring and analyzing data passing through serial ports of a computer. In addition to serial ports, Device Monitoring Studio can monitor data received/sent through the network and USB devices. The program allows you to log data flows (with the possibility of subsequent playback), test the work of developed applications and hardware, as well as control the use of data and compliance with information security requirements. The data streams of any device connected to the computer can be logged and then analyzed. Quick search of information in stored data is supported, including - using regular expressions. The program can be successfully used by security specialists, system administrators, software and hardware developers, beta-testers, etc.