The National Stock Exchange of India Limited (NSE) on October 16, 2026, issued an advisory on Common Cyber Security Non-Compliances Observed during Cyber Revalidation Audit and CSK Monitoring.
The following has been stated: -
•The Securities and Exchange Board of India (SEBI), in coordination with stock exchanges, has issued an advisory highlighting common cybersecurity non-compliance identified during special-purpose cyber revalidation audits and monitoring through the CERT-In Cyber Swachhta Kendra (CSK) platform.
•The observations indicate gaps in understanding and implementing applicable cybersecurity and cyber resilience requirements.
•All trading members are advised to strengthen their cybersecurity systems, controls and procedures and ensure compliance with applicable SEBI and stock exchange circulars relating to the Cyber Security and Cyber Resilience Framework (CSCRF).
[Circular Ref. No: 51/2026]