Home & Property / Housing
A housing service in the home & property sector.
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.
In March 2017, the French Flatsharing site known as Appartoo suffered a data breach. The incident exposed an extensive amount of personal information on almost 50k members including email addresses, genders, ages, private messages sent between users of the service and passwords stored as SHA-256 hashes. Appartoo advised that all subscribers were notified of the incident in early 2017.
Full threat analysis, exploitation vectors, and principal guidance below.
10 additional sections · verified field analysis · defensive doctrine
50K records analyzed
Appartoo is a housing service in the home & property sector.
Appartoo is a housing service in the home & property sector. Services like this typically hold age, auth token, email addresses, employment statuses, names, gender, IP addresses, messages, passwords, physical addresses, relationship status, social profiles through account registration and normal operations.
The Appartoo dataset circulated publicly; treat as part of the standing exposure landscape.
The exposure of credentials alongside personal data heightened account-takeover and reuse risk for Appartoo users and drew scrutiny of its data protection.
• Credential stuffing against reused passwords across other platforms | • Targeted phishing campaigns using exposed email addresses | • Doxxing risk from physical address exposure | • Employment-based social engineering using job and employer data | • Social media account targeting and impersonation
A consumer-service breach: contact and account data supports phishing, account takeover and profile enrichment. For a high-profile principal this is targeting-grade, not merely identity-theft-grade: the combination lets an adversary locate, impersonate, or pressure the principal with little additional work.
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