Knuddels 2018 Data Breach

Knuddels 2018 Data Breach

Social Networking / Chat

Knuddels 2018 Data Breach

A german social media website.

Confirmed · ObscureIQ Intelligence
Breach Risk Index i
14/100
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.
808KRecords
2018Year

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
Cloud MisconfigurationSocial NetworkingChatUsers2018

Breach Summary

In September 2018, the German social media website Knuddels suffered a data breach. The incident exposed 808k unique email addresses alongside usernames, real names, the city of the person and their password in plain text. Knuddels was subsequently fined €20k for the breach.

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…

808K records analyzed

About Knuddels

Knuddels is a german social media website.

Why They Hold Your Data

Knuddels is a german social media website. Services like this typically hold email addresses, names, location data, passwords, usernames through account registration and normal operations.

Recent Developments

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

Data Points Exposed

5 verified field types
Email Address
Full Name
Geographic location
Password High
Username

Breach Impact

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

Exploitation & Downstream Threats

• Credential stuffing against reused passwords across other platforms | • Targeted phishing campaigns using exposed email addresses | • Doxxing risk from physical address exposure

Principal Risk Advisory

What this means for a principal

A social-platform breach: profile and contact-graph data supports impersonation, enrichment and social engineering. 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. 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: cross-reference the exposed identifiers against broker-available data to size and prioritize the principal's wider footprint.
  3. ThreatWatch tuned to this incident's identifiers and misuse pattern (impersonation and targeting patterns, not generic credential monitoring).

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