Adda Data Breach: Personal Data Of Over 18 Lakh Users Hacked And Posted Online, Read All Details Here

In a massive data breach, a hacker has claimed responsibility for leaking the database of lakhs of Adda.io users. For those who are unaware, Adda is a community and housing society management platform used by multiple apartments, villas, and gated independent houses in India. and a few other countries as well. The hacker who goes by the alias 'Blinkers' uploaded the personal data details of more than 18.6 lakh users to a hacking forum on Sunday, November 23, 2025, as reported by data breach monitoring websites like HaveIBeenPwned and Leakd.The personal data file size is around 145MB in the uncompressed state and is being circulated in the underground cybercrime communities. That being said, the stolen data includes ownerIDs, first names, last

names, email addresses, phone numbers, and even passwords (hashed with the MD5 hashing algorithm). According to the claims made by the hacker, the data breach occurred in March 2025. And the exposure of this data online in this way could pose serious threats to all the users.Also Read: This WhatsApp Security Flaw Exposed 3.5 Billion Phone Numbers, Here's How Meta Responded Hackers could use their name to trigger phishing attacks. What's more is that the user credentials that surface from one data breach can also be utilised by other hackers to attempt to log in to user accounts on other platforms to carry out credentials stuffing attack. The data has been leaked just a few days after the government of India launched the Digital Personal Data Protection (DPDP) Rules, 2025. Until now, Adda.io has made no statement regarding the incident. Expectations are that we will soon get to listen to the company's point of view on the alleged data breach.

A Little About Adda.io

Adda.io is a digital platform that is used in different types of residential communities to conduct daily operations like billing, collection of society dues, facility booking, sharing community notices and more. As of now, the company has clients in more than ten countries, including India, the Middle East, Singapore, the US, and more.