Michael
Thank You for responding to my discussion board post. The Ukrainian power grid attack is an excellent example of both the ability of foreign governments to take down critical infrastructure to make political statements. In response to your questions if a person came across a PLC on a network it would be helpful if they had some knowledge PLC if they plan on taking it offline; however, it is possible that they could cause some damage just by poking and prodding the devices. Poking and prodding of the different components may not cause a safety override immediately, but once strange activity is noticed it would definitely be investigated and resolved. For example if a person connected to a power company’s SCADA network and started doing
Thank You for responding to my discussion board post. The Ukrainian power grid attack is an excellent example of both the ability of foreign governments to take down critical infrastructure to make political statements. In response to your questions if a person came across a PLC on a network it would be helpful if they had some knowledge PLC if they plan on taking it offline; however, it is possible that they could cause some damage just by poking and prodding the devices. Poking and prodding of the different components may not cause a safety override immediately, but once strange activity is noticed it would definitely be investigated and resolved. For example if a person connected to a power company’s SCADA network and started doing