While cybersecurity risks and concerns are not new to industrial operations and critical infrastructure, there has been a huge increase in cyber attacks and breaches over the last few years. This increase is being driven by several complex factors, such as the Internet of Things (IoT), Industry 4.0, legacy devices, open source hacking tools and a general lack of cybersecurity maturity for industrial control system (ICS) environments, just to name a few.
This blog article reviews a few options to consider as cybersecurity tools for local access management of ICS devices (e.g., protection relays, RTUs, PLCs, HMIs, etc.). Access management of ICS devices can be challenging due to a variety of factors, such as the sheer volume of end devices, travel time to remote locations, management of third-party contractors and maintenance personnel, and the lack of dedicated resources to manage appropriate access.
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