ADDA Data Breach

▼ Key takeaways

•Reports suggest a potential breach involving ADDA.
•Discovered on November 25, 2025.
•Possible data exposed: Email addresses, Names, Phone numbers, MD5 password hashes.
•Confirmation level: Based on reports.

Detailed summary

In March 2025, data allegedly breached from the ADDA housing societies service was posted to a public hacking forum in November 2025. This incident was reported by Have I Been Pwned.

The breach involved over 1.8 million unique email addresses, along with names, phone numbers, and MD5 password hashes. The exact number of affected individuals and the full extent of the compromised data remain unclear beyond what was reported.

Details surrounding this breach may continue to emerge, and official notices may be delayed.

Data possibly involved

Email addresses
Increases risk of phishing attacks and account takeovers
Names
Phone numbers
May be used for SIM swapping or targeted scam calls
MD5 password hashes
Attackers may try to access other accounts using the same credentials

Breach Verification Status

Reports Only

Current

Initial dark web reports of potential breach

Company Confirmed

Company has acknowledged the breach

Regulator Confirmed

Confirmed by regulatory authorities

Note: Breach verification can take time. Information may evolve as more details become available from companies and regulators.

Case Status:

Monitoring

We're monitoring this situation for developments.

Were You Affected By This Breach?

If you are a customer or have received a data breach notification, you may submit your information as part of our ongoing investigation. Submitting your information is free and does not obligate you.

Were you in the ADDA breach? Check your email

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Check Your Risk Level

Answer a few questions to understand how this breach might affect you

Do you use ADDA?

Yes

What should I do?

Change your passwords

Update passwords for the affected service and any accounts using the same password

Enable two-factor authentication

Add an extra layer of security to your accounts

Monitor your accounts

Watch for suspicious activity on your financial and online accounts

Watch for phishing attempts

Be cautious of emails or messages claiming to be from the affected company

Consider a credit freeze

Prevent unauthorized access to your credit report

Scan your email for other exposures

Check whether this address shows up in other known breaches. Free, no account.

Get your info off data-broker sites

Data Shield files removal requests with every broker that accepts an authorized agent, and gives you the exact link or letter for the brokers that only accept requests from you.

See how Data Shield works