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Manufacturing Technology Insights | Wednesday, November 03, 2021
These systems are also often riddled with older vulnerabilities, making them an easy target for cybercriminals, who can exploit the systems using very simple techniques.
FREMONT, CA: Industrial Control Systems (ICS) are essential for the efficient functioning of critical infrastructures, such as water and energy grid or manufacturing units. These systems are generally called operational technologies (OT) and are usually legacy systems, having known vulnerabilities that are very e laborious to patch. These systems are also often riddled with older vulnerabilities, making them an easy target for cybercriminals, who can exploit the systems using very simple techniques. This has led to an increase in the number of cybercrimes that are targeting search control systems.
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The attack against the OT environment increased by 2000% between 2018 and 2019. The majority of these attacks were executed using a combination of known vulnerabilities within the hardware components and password spraying attacks using brute force login strategies. The attackers often target these systems in order to disrupt their functioning and reliability and cause a ripple effect in a nation's economy. It is evident that these industries are targeted by financially motivated external members who are performing espionage. Exploiting vulnerabilities is not the only strategy that cybercriminals employ while targeting such manufacturing units.
Recently, there have been incidents of several ransomware attacks on operational technologies systems. Considering that the manufacturing sector is rapidly embracing digitalization, the convergence of IT and OT Infrastructure allows cybercriminals to execute IT breaches to target OT devices, controlling physical assets and demanding massive amounts of ransoms to give up the control. Ransomware attacks are becoming the primary choice of several attackers who are targeting manufacturing units specifically. Needless to say, protecting such systems against cyber-attacks becomes of utmost importance for ensuring unhindered operations of manufacturing units and power plants.
The first and most important is the segmentation of OT systems from the rest of the IT networks so that even if a standard Windows system is compromised, the attackers are prevented from moving laterally on to a control system. Constantly monitoring physical assets and having comprehensive visibility of a unit to spot any e abnormal behavior is essential for identifying and isolating cyber-attacks before they reach their final stages. Businesses can employ strict access control rules along with constant monitoring to minimize the impact of intrusions. Organizations should also regularly back up their systems and store them offline. These backups must include the last known good profile data to make it easier for plant managers to recover swiftly.
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