Zoosk 2011 Data Breach
Platform · Online dating and matchmaking · General dating platform · Global
Zoosk Dating Platform Credential Exposure (2011): 52 Million Records :: Authenticity Unverified
Online dating platform.
Confirmed · ObscureIQ Intelligence
Breach Risk Index i
44/100
Lower riskHigher risk
Moderate: notable exposure with meaningful misuse potential.
Data Sensitivity i
RestrictedBeing associated with this breach can itself be harmful. Disclosure is limited and presence is not confirmed to unverified parties.
52.6MRecords
2011Year
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.
Breach Summary
A dataset of approximately 53 million records attributed to the online dating platform Zoosk began circulating in hacking communities around 2011. The data included email addresses and passwords stored in plaintext. However, when analysts conducted extensive verification in 2016, no evidence could be found confirming that the data originated from Zoosk's own systems. The exposure has since been classified as unverified and is treated in breach intelligence databases with that status prominently noted. If genuine, the exposed data would be particularly sensitive given the dating context. Plaintext passwords are especially dangerous because they can be used directly to access other accounts where the same password was reused, without any need for cracking. Email addresses tied to a dating platform can also enable targeted phishing, social engineering, or harassment based on inferred personal behavior. No regulatory action or legal proceedings have been publicly linked to this incident, and Zoosk has not confirmed a breach occurred. Because authenticity remains unverified, affected individuals cannot be certain whether their data was genuinely exposed. As a precaution, anyone who used Zoosk around that period and reused their password elsewhere should update those credentials and remain alert to phishing attempts that reference their dating activity.
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…
52.6M records analyzed
About Zoosk
Zoosk is an online dating platform operating across multiple countries, offering matching, messaging, and virtual gifting features to a predominantly adult user base. The company was founded in 2007 and has changed ownership multiple times, eventually being acquired by Spark Networks — the parent of Silversingles and other dating properties — in 2019. It operates as one of several platforms in the competitive general dating market.
Why They Hold Your Data
Dating platforms collect user identity, profile details, photos, messages, relationship preferences, subscription records, and engagement activity tied to matchmaking workflows.
Recent Developments
Zoosk has continued operating under Spark Networks, which has navigated a challenging environment for subscription dating platforms facing competition from app-based services. No major standalone Zoosk organizational changes have been prominently reported in the recent period.
Data Points Exposed
2 verified field types
Email Address
Password High
Breach Impact
A dataset of approximately 53 million Zoosk records dating to around 2011 circulated in hacking communities, containing email addresses and plaintext passwords. During verification in 2016, analysts could not confirm the data definitively originated from Zoosk's own systems, and the breach has been classified as unverified. It is included in breach intelligence databases with that caveat noted.
Exploitation & Downstream Threats
• Credential stuffing against reused passwords across other platforms | • Targeted phishing campaigns using exposed email addresses
Principal Risk Advisory
What this means for a principal
An intimate-data breach: preferences, orientation or explicit content linked to an identity create acute coercion and blackmail exposure. For a high-profile principal the main risk is credible impersonation and enrichment of existing exposure.
What You Should Do
- Reset any reused passwords and enable MFA on email first, then financial accounts.
- Do not use unofficial 'am I affected' lookups; several are themselves harvesting operations.
How ObscureIQ Can Help
- Corpus confirmation: determine whether and where the principal (plus household and staff) appear in this dataset and which specific fields are exposed for them.
- Exposure mapping: cross-reference the exposed identifiers against broker-available data to size and prioritize the principal's wider footprint.
- ThreatWatch tuned to this incident's identifiers and misuse pattern (impersonation and targeting patterns, not generic credential monitoring).
Protect Yourself
Protect Yourself: Limited Disclosure
Check If You’re Affected: Verification Required
Because being associated with this breach can itself be harmful, we do not confirm whether anyone appears in it to unverified parties. Verify your identity to privately check whether your own data appears in this breach or related indexes.
We will only reveal whether a specific person appears in this breach to that person.
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