CDSL circular on SOP for handling the Cyber incident and amendments to DP Operating Instructions Annexure 11.1

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Date of Issue: 05-03-2026  
         
Issuer: CDSL

SOP for handling the Cyber incident and amendments to DP Operating Instructions Annexure 11.1

Highlights of  CDSL Circular dated March -05-2026

• Central Depository Services Limited (CDSL) has updated DP Operating Instructions – Annexure 11.1 (Penalty Structure for Cyber Security Incidents) in coordination with other Depositories and Exchanges.

• Standard Operating Procedure (SOP) issued for handling cyber security incidents.

• Depository Participants (DPs) / Members must report cyber incidents within 6 hours of detection or awareness.

• If system reporting is not possible, incidents can be reported via email in the prescribed format to the common email ID specified by Securities and Exchange Board of India (SEBI) / MIIs.

• Depositories/Exchanges may implement precautionary containment measures to prevent spread of threats or malware.

• DPs should take note and comply with the updated instructions.