Glossary
Personal data breach
Unauthorised processing, or accidental disclosure, loss or alteration, of personal data that compromises its confidentiality, integrity or availability.
Under section 2(u) of the Digital Personal Data Protection Act, 2023, a personal data breach is any unauthorised processing of personal data, or accidental disclosure, acquisition, sharing, use, alteration, destruction or loss of access to it, that compromises its confidentiality, integrity or availability.
Rule 7 of the Digital Personal Data Protection Rules, 2025 sets two duties on two clocks from 13 May 2027. The data fiduciary must tell each affected data principal without undue delay, and must tell the Board, first without undue delay and then with fuller particulars within seventy-two hours of receipt of information of the breach. The seventy-two hours runs from receipt of information, not from the breach or the end of an investigation, and an extension has to be given by the Board in writing. The position is stated as at 13 November 2025.
Used in
- A telemedicine product in India answers to three regulators at once, and only the doctor may prescribe
- Location and driving data from a vehicle telematics device is personal data under the DPDP Act from 13 May 2027
- An AI vendor's indemnity moves the money, not the responsibility: contracts, diligence and disclosure
- The DPDP Rules are notified, and almost nothing in them binds until 13 May 2027
Sources
- RulesDigital Personal Data Protection Rules, 2025, G.S.R. 846(E), 13 November 2025, Gazette of India Extraordinary, Part II, Section 3, Sub-section (i), Ministry of Electronics and Information Technologymeity.gov.inOn this site: Digital Personal Data Protection Rules, 2025
- ActThe Digital Personal Data Protection Act, 2023 (No. 22 of 2023)meity.gov.inOn this site: The Digital Personal Data Protection Act, 2023
Cite this termPersonal data breach. Juris Eagle glossary. Stated as at 13 November 2025. https://juriseagle.com/glossary/personal-data-breach
