https://www.bleepingcomputer.com/news/security/over-100k-daily-brute-force-attacks-on-rdp-in-pandemic-lockdown/

The number of daily brute-force attacks against Windows remote desktop service has almost doubled during the pandemic lockdown, telemetry data shows.

With the increase of remote workers during the COVID-19 period, many users no longer relied on the infrastructure monitored by the company to access sensitive information on the network.