People search Aadhaar data breach timeline because the brand sits on billions of accounts, credentials, and cloud workloads. BreachHistory indexes 4 Aadhaar-linked incidents, with headline counts up to 1.1B+ in catalog rows. This page maps every attested event through 2026 with internal links to canonical records.
Why Aadhaar breach history matters
Aadhaar operates in Technology (India). Across indexed rows, recurring themes include cloud and database misconfiguration. Understanding the chronological pattern helps security teams, customers, and regulators separate confirmed disclosures from forum marketing.
Full timeline through 2026
2018 — — Aadhaar: A security researcher discovered a system…
Cataloged incident. Mar 2018. A security researcher discovered a system vulnerability which means that anybody could download private info on all Aadhaar users. The govt. department that deals with the database has denied the breach. BreachHistory cites approximately 1.1B+ affected records in this row. See the aadhaar2018aadhaar2018b and canonical BreachHistory entry.
2018 — — Aadhaar: Nov, 1000.0M records
Cataloged incident. Nov. The personal information of more than a billion Indians stored in the world’s largest biometric database can be bought online for less than £6, according to an investigation by an Indian newspaper. The reporter who broke the story has been named in a criminal complaint filed by government agency responsible for the data. BreachHistory cites approximately 1B+ affected records in this row. See the aadhaaru and canonical BreachHistory entry.
2018 — — Aadhaar: Poor security / misconfiguration, 55,000,000 records
Cataloged incident. India's biometric database was breached via a leak at a state-owned utility company. All registered Indian citizens were affected. Exposed categories include Personal and demographic data. BreachHistory cites approximately 55M+ affected records in this row. See the aadhaar2018-iib and canonical BreachHistory entry.
2010 — — Aadhaar: Mar, 1100.0M records
Cataloged incident. Mar. A security researcher discovered a system vulnerability which means that anybody could download private info on all Aadhaar users. The govt. department that deals with the database has denied the breach. BreachHistory cites approximately 1.1B+ affected records in this row. See the aadhaaru1 and canonical BreachHistory entry.
Patterns and analysis
- Cloud and database misconfiguration — appears across multiple Aadhaar catalog entries; prioritize controls that address this class of failure.
- Record-count hygiene — BreachHistory indexes actor-cited figures separately from company-confirmed totals; read each row's technicalWriteup before treating counts as fact.
- 2026 monitoring — New disclosures roll into this timeline as they are verified or labeled unverified per catalog policy.
What to do if you may be affected
- Step 1: Enable phishing-resistant MFA on every account tied to this brand.
- Step 2: Use unique passwords and a password manager—breach rows often involve credential reuse.
- Step 3: Monitor official company breach notices and regulator filings, not dark-web downloads.
- Step 4: Review OAuth app permissions and revoke unused third-party integrations.
- Step 5: Bookmark the Aadhaar company page for new 2026+ disclosures.
Canonical BreachHistory hub
Explore every indexed row: breachhistory.com/aadhaar · Latest: aadhaar2018aadhaar2018b.
Sources: BreachHistory catalog (4 rows for Aadhaar), company and regulator disclosures cited in individual breach records.