ADDA 2025 Data Breach

ADDA 2025 Data Breach

Home & Property / Property

ADDA 2025 Data Breach

A property service in the home & property sector.

Confirmed · ObscureIQ Intelligence
Breach Risk Index i
26/100
Lower riskHigher risk
Lower: limited current risk based on data value and recency.
Data Sensitivity i
Standard
Exposed data is largely lower-sensitivity. Standard identity-protection precautions are advised.
1.8MRecords
2025Year

The Breach Risk Index (BRI) is a proprietary 0–100 score rating how dangerous a breach is right now, based on how recently the data has been circulating on the dark web and how valuable it is to attackers.

Classification Tags
Home & PropertyPropertyMembers2025

Breach Summary

In March 2025, data allegedly breached from the ADDA housing societies service was posted to a public hacking forum. The data contained over 1.8M unique email addresses along with names, phone numbers and MD5 password hashes.

Full threat analysis, exploitation vectors, and principal guidance below.

10 additional sections · verified field analysis · defensive doctrine

Querying breach corpus…
Cross-referencing exposed field types…
Resolving threat-actor attribution…
Compiling principal risk advisory…

1.8M records analyzed

About ADDA

ADDA is a property service in the home & property sector.

Why They Hold Your Data

ADDA is a property service in the home & property sector. Services like this typically hold email addresses, names, passwords, phone numbers through account registration and normal operations.

Recent Developments

The ADDA dataset circulated publicly; treat as part of the standing exposure landscape.

Data Points Exposed

4 verified field types
Email Address
Full Name
Password High
Phone Number

Breach Impact

The exposure of credentials alongside personal data heightened account-takeover and reuse risk for ADDA users and drew scrutiny of its data protection.

Exploitation & Downstream Threats

• Credential stuffing against reused passwords across other platforms | • SIM swap attacks where phone numbers are present | • Targeted phishing campaigns using exposed email addresses

Principal Risk Advisory

What this means for a principal

A consumer-service breach: contact and account data supports phishing, account takeover and profile enrichment. For a high-profile principal the main risk is credible impersonation and enrichment of existing exposure.

What You Should Do

  1. Reset any reused passwords and enable MFA on email first, then financial accounts.
  2. Guard against SIM-swap and vishing: add a carrier port-out PIN and verify any 'support' calls independently.
  3. Do not use unofficial 'am I affected' lookups; several are themselves harvesting operations.

How ObscureIQ Can Help

  1. Corpus confirmation: determine whether and where the principal (plus household and staff) appear in this dataset and which specific fields are exposed for them.
  2. Exposure mapping and footprint neutralization: cross-reference against broker-available data and suppress still-removable elements, prioritizing address and phone, since this record re-seeds broker networks.
  3. ThreatWatch tuned to this incident's identifiers and misuse pattern (impersonation and targeting patterns, not generic credential monitoring).

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