Cato Networks says the most prevalent enterprise cybersecurity risks in Q1 came from unpatched legacy systems, attacks from the US, and consumer applications, such as TikTok. The real risk to enterprises comes from older exploits, some as much as 20-years old, according to Cato Networks. Microsoft Office and Google continue to dominate, but widespread use of remote access software was seen of Remote Desktop Protocols (RDP), Virtual Network Computing (VNC), and TeamViewer. The analysis shows that during the first quarter of 2021, most threats did not originate from China or Russia.
Source: https://www.helpnetsecurity.com/2021/05/27/enterprise-networks-vulnerable/