Markets regulator Sebi on Monday decided to introduce an IT Resilience Index (ITRI) to assess the functioning and resilience of information technology systems of market infrastructure institutions (MIIs), including stock exchanges, depositories and clearing corporations. The move is aimed at strengthening oversight of the resilience of IT systems and identifying emerging weaknesses at an early stage, so that timely corrective measures can be taken. Under the framework, the ITRI will be computed using a uniform set of nine parameters, each carrying a specific weightage to ensure comparability across MIIs, Sebi said in its circular. Availability and security will carry the highest weightage of 20 per cent each, followed by integrity, governance, reliability and monitoring, business continuity, and modularity and flexibility at 10 per cent each. Scalability and other aspects, including incident handling, will account for the remaining 5 per cent each. Sebi said MIIs will also develop
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