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Published signals
currently linked to this company
Company intelligence
Adda cybersecurity incidents and threat signals
adda.io
This company page brings together public reporting currently associated with Adda. It reflects signals published by Shadow Tier and should not be read as a complete incident history.
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Last 28 days
recent published signals
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Last 90 days
recent published signals
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High or critical
confidence classifications
June 25, 2026
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Based on all published signals currently linked to Adda. Affected countries come from victim data; the company country above remains a separate profile fact. Counts describe this reporting set, not overall incident prevalence.
Confirmed impacts
Company signals
All published signals involving Adda
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.
FAQ
Questions about Adda cybersecurity reporting
What does the Adda page include?
It combines a reviewed organization profile with all current published Shadow Tier signals explicitly linked to Adda.
Does every mention of Adda appear here?
No. A signal must contain a reliable company connection and meet the publication criteria; incidental or ambiguous mentions are excluded.
Why can the incident count change?
The page follows current published reporting. Counts change as new evidence is added, classifications are reviewed, or older signals leave the reporting window.