![]() ![]() ![]() Necessary cookies are absolutely essential for the website to function properly. Since the incident in 2006, the plant has undergone numerous security, operational, and management improvements. Some PLCs crash simply by pinging an IP address, like what happened at the Brown’s Ferry Nuclear Plant, which is located in upstate Alabama.Often times, control systems, including ones that many PLCs integrate with, use Microsoft Windows, which is very popular amongst hackers.They absolutely do not need to understand a PLC or SCADA system to cause operational or programming issues. Hackers do not necessarily need to understand PLC or SCADA to block PC-to-PLC communication.Nobody wants an annoyed employee to make inappropriate changes to a PLC’s communication highway. Piggybacking off of the last point, IT departments’ lack of experience with the aforementioned equipment, along with their lack of experience with industrial standards and scalable processes indicate that they should not be in-charge and responsible for a company’s PLC security.Keep in mind that the majority of IT departments are unaware of factory automation equipment, including CNCs, CPUs, PCBs, robotics parts and, last but not least, PLCs.Wireless networks, laptop computers, and trusted vendor connections could be other sources of connections in which people may be likely to overlook.Contrary to popular belief, a modem connection could also experience intrusion and a hack. Although it may not actually connect to the internet, a control system is unsafe.To continue to up your PLC knowledge, be sure to check out our article covering Modicon PLC history. These days, PLCs are connected to business systems through any run-of-the-mill network and aren’t separated from other networks that other automation equipment may also be on.Īs time goes on, it’s becoming more and more common to see TCP/IP networking from a business system standpoint.īy connecting via TCP/IP, data exchange, as well as more rational and scalable business decisions, is enabled. Whether you think it’s possible or not, an offended employee could indeed be your hacker.Īlmost always caused by software issues, device issues, and malware infections, cybersecurity seems straight-forward initially, until you dig into those fine, often overlooked details.Īs many in the automation space may know, PLC cybersecurity wasn’t a thing a decade ago. In fact, experts believe that only an estimated 20 per cent of all cybersecurity attacks are intentional and intended to be malicious. Not all cybersecurity attacks occur from external hackers or scammers. In order to create and implement training and procedures for staff, you must understand how issues with security occur. Also, feel free to check out our repair and core exchange programs to learn how to save. MRO Electric and Supply maintains a comprehensive stock of Modicon PLC parts, including the Modicon Quantum series. ![]()
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