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INDUSTRY 4.0/IIOT The IoT opens up a wealth of
opportunities in the manufacturing industry, but cybersecurity risks need to be taken seriously
security requirements: • A ban on universal default passwords in
consumer smart products • The implementation of means to manage
reports of vulnerabilities • Transparency as to how long a product
will receive security updates. There are other security standards which
are aimed at improving security from network infrastructure to devices. For example, it is possible that industrial IoT devices, processes and systems could be certified under the IEC 62443 series of standards, as part of a larger installation. This standard series addresses security for industrial automation and control systems (IACS). Although it may seem that the standards
do not cover everything, they do at least offer a first line of defence from cyberattack. However, manufacturers should also consider their own cybersecurity programmes as there are other options outside the present standards landscape. This includes more stringent, bespoke testing or “penetration testing” and the necessity to think “secure by design” from the onset and take a proactive
approach to cybersecurity by recognising that attacks are “when, not if”. Threat resilience should be an iterative task.
It is often said that security is a “moving target”, so not all threats may have been discovered during the first assessment. It is therefore very important to ensure up to date compliance with all standards and constantly review your ‘cyber resistance’ status. Ongoing investment in cybersecurity is therefore crucial to keep up with technological development, as cybercriminals rapidly develop new forms of attack. It is therefore
very important that an appropriate, consistent and regular review of your plant’s ‘cyber resistance’ status is made to ensure cyber health is maintained. Tackling the problems of cybersecurity risks
can therefore only be realised by comprehensive planning, periodic evaluation, updates and monitoring. This must be done continuously, from design through to obsolescence.
TÜV SÜD
www.tuvsud.com/uk
NOVEMBER 2022 | PROCESS & CONTROL 35
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