Almost half of industrial control systems have evidence of malicious activity from hackers , with the internet the main focus of attacks , according to a report by Kaspersky Labs . It said operating systems running on bespoke or outdated operating systems were the most vulnerable to malware , with removable media such as corrupt USB sticks and emails among the main threats . apple recommended regular operating system upgrades and the use of patches to the industrial environment .
Almost half of industrial control systems have evidence of malicious activity from hackers, with the internet the main focus of attacks, according to a report by Kaspersky Labs. It said control systems running on bespoke or outdated operating systems were the most vulnerable to malware, with removable media such as corrupt USB sticks and emails among the main threats. Researchers recommended regular operating system upgrades and the use of patches to the industrial network.