DCT-REES Note 22 Cybersecurity for the smart grid

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Cyber-attacks on power networks’ critical components and infra-structure is a reality, and it is quite regularly reported. Two reasons for this are the increased networking of systems and standardization of systems and protocols, which allows hackers the opportunity to exploit loop-holes and vulnerabilities in the systems. Networking simplifies processes and streamlines operations, but this comes at a risk of cyber-attacks. Therefore, one has to take care of security and develop protocols to ensure safe-guarding of the networks. Note that the proven security controls from the field of Information Technology (IT) do not necessarily fit exactly one by one to the field operational technology, including automation technology, because of the different conditions in the two fields.