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DPDPA Guide

Data Breach Basics

DPDPA requires businesses to notify the Data Protection Board and affected individuals when personal data is breached — without delay. This applies to all Data Fiduciaries regardless of size. This guide covers what counts as a breach, what you must report, the notification timeline, and the first practical steps to take.

A data breach is any incident where personal data is accessed, disclosed, altered, or destroyed without authorisation. Under DPDPA, businesses have mandatory obligations when a breach occurs.

What Is a Personal Data Breach?

A breach includes:

  • Unauthorised access to a database or file containing personal data
  • Accidental email containing personal data sent to the wrong recipient
  • Ransomware attack encrypting or exfiltrating customer or employee records
  • Loss of a device containing personal data
  • Insider misuse of data access privileges

Notification Obligations

Section 8(6) of the DPDPA requires Data Fiduciaries to notify the Data Protection Board of a personal data breach "in such manner and within such period as may be prescribed."

Expected requirements based on draft rules:

  • Initial notification within 72 hours of becoming aware of the breach
  • Detailed report following investigation
  • Notification to affected individuals where the breach poses significant risk

Building Basic Breach Response Capability

You do not need a large security team to be prepared. A basic incident response plan covers:

  • Detect — How will you know a breach has occurred?
  • Contain — How do you stop the breach from spreading?
  • Assess — What data was affected, how many individuals, what is the risk?
  • Notify — Who do you notify and when?
  • Remediate — How do you prevent recurrence?

Practical Steps for Indian SMEs

  • Know where all your personal data is stored
  • Ensure access logs exist for systems containing personal data
  • Have a contact for reporting security incidents internally
  • Know who at your organisation would make the notification decision
  • Have draft notification templates ready
  • Ensure your cloud and SaaS vendors have breach notification SLAs in their contracts

Penalties for Breach Notification Failure

Up to ₹200 crore for failing to notify the Data Protection Board of a breach. This is separate from penalties for inadequate security safeguards, which can reach ₹250 crore.

Last reviewed: March 2026

Legal baseline: DPDP Rules, 2025 notified on 14 November 2025, with phased commencement.

This page is for educational purposes and does not constitute legal advice.

Educational content only. This guide is for educational purposes and does not constitute legal advice. Please consult a qualified data protection lawyer for formal legal opinions specific to your business situation.