Attacks on RDP servers have tripled in the U.S. since March. Today’s columnist, Amit Bareket of Perimeter 81, offers some tips on how to better manage servers that run over the Microsoft protocol. (Photo by Smith Collection/Gado/Getty Images)

The rise of the coronavirus pandemic has prompted organizations around the world to adopt a work-from-home policy. Analysis from security firm Kaspersky found that this sudden shift has resulted in more than 1.5 million new Remote Desktop Protocol (RDP) network attacks globally. The number of attacks targeting open RDP servers in the United States has tripled since March.

RDP is a Microsoft protocol managed by sys admins that lets users remotely connect to corporate machines, resources and services. Most RDP users gain access by inputting their usernames and passwords. This simple method makes the user’s devices exploitable to brute-force attacks, password guessing and credential stuffing. These different types of attacks depend on a mix of ordinary usernames and passwords or stolen credentials.

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