ADDA data breach
The ADDA breach happened on March 24, 2025 and exposed 1,829,314 accounts. 4 kinds of data were exposed.
Overview
- Site
- adda.io
- Breach date
- March 24, 2025
- Recorded on
- November 23, 2025
- Accounts exposed
- 1,829,314
- Exposed data
- Email addresses, Names, Passwords, Phone numbers
- Risk score
- 72 out of 100
Risk based on the exposed data
This breach scores 72 out of 100. The score is driven mostly by Passwords, Phone numbers, Email addresses.
The risk score is a guide to how dangerous a breach is, judged by the kinds of data exposed. The number of accounts is not included.
Breaches from the same period
- Troy Hunt's Mailchimp List (2025-03-25, 16,627 accounts)
- TehetségKapu (2025-03-26, 54,357 accounts)
- German Doner Kebab (2025-03-27, 162,373 accounts)
What affected users should do
- Change your ADDA password, and also change it on any other service where you used the same password. You can create a new one with the password generator.
- Turn on two-factor authentication for your login.
- Phone numbers were exposed, so watch out for impersonation by text message or phone call.
This site organizes publicly available information about data breaches. Data as of November 23, 2025. Breach dates are as originally listed; when only the month is known, the date is recorded as the 1st.