Vulnerabilities in some VPNs used to remotely connect to industrial control systems could enable hackers to compromise large industrial organizations. VPNs that contain these security flaws are used by oil and gas companies as well as water and electric utilities, Claroty says. The increase in remote work due to the COVID-19 pandemic means more employees and workers are relying on VPNs to connect with networks, access devices and OT systems, the company says. This connectivity enables remote performance of certain equipment, such as programmable logic controllers.”]
Source: https://www.govinfosecurity.com/vpn-vulnerabilities-put-industrial-control-systems-at-risk-a-14732