Adda.io data breach exposes 1.86 million user records
A hacker, 'Blinkers,' uploaded a database containing personal details of over 1.86 million Adda.io users to a hacking forum on November 23, 2025. The leaked data includes owner IDs, first and last names, phone numbers, email addresses, and MD5-hashed passwords. The actual breach is believed to have occurred in March 2025.
Signal context
First seen: Nov 23, 2025
Last updated: Jun 25, 2026
Status: Public signal
Key points
- Data of over 1.86 million users exposed.
- Hacker 'Blinkers' responsible for leaking data.
- Data circulated on a hacking forum on November 23, 2025.
Signal analysis
BetaIt helps compare this signal with other published signals without treating the labels as final determinations.
Likely country: Location not provided
Watch internet-facing systems, credential abuse and exploit activity.
- Source type: outside the affected organization
Impact area: Confidentiality
Likely asset: User or customer data, Server or cloud data store
- 1 signal in the same sector
- 90 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
Over 18 lakh users of Adda.io platform reportedly exposed in data breach - Varindiahttps://www.varindia.com/news/over-18-lakh-users-of-addao-platform-reportedly-exposed-in-data-breachPublic source from varindia.com.
Major Adda Data Breach Reveals Millions of User Records, Raising Serious Cybersecurity and Data Protection Concerns - TopTechByteshttps://toptechbytes.com/major-adda-data-breach-reveals-millions-of-user-records-raising-serious-cybersecurity-and-data-protection-concerns/Public source from toptechbytes.com.
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