Electricity distribution utilities in India are facing major challenges such, as higher revenue realization gap and AT&C
losses. One of the ways to overcome this challenge is by adoption of smart technologies and automating the network
for increased visibility, monitoring and automated control. The adoption of smart technologies merges the conventional
power distribution system with modern communicable devices having sensing and control features. The use of such
modern communicable devices makes power systems vulnerable to cyber-attack. This paper presents the SCADA system
architecture for power distribution systems, NIST guidelines and framework, cyber-security for power systems and
standards for security implementation for telecontrol equipment and systems.
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