8fit 2018 Data Breach
Platform · Fitness training and nutrition planning · Subscription-based wellness app · Global
8fit Fitness & Nutrition App Breach (2018): 15 Million User Accounts Including Passwords & Location Exposed
Fitness and nutrition app.
Confirmed · ObscureIQ Intelligence
Breach Risk Index i
43/100
Lower riskHigher risk
Moderate: notable exposure with meaningful misuse potential.
Data Sensitivity i
StandardExposed data is largely lower-sensitivity. Standard identity-protection precautions are advised.
16.4MRecords
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.
Breach Summary
In July 2018, the fitness app 8fit suffered a data breach that surfaced for sale on a dark-web marketplace in February 2019 as part of the large collection put up by the actor known as GnosticPlayers. Approximately 15.78 million records were exposed, including email addresses, names, genders, IP addresses, and passwords stored as bcrypt hashes. Some records also contained expired Facebook authentication tokens and profile thumbnail images.
Full threat analysis, exploitation vectors, and principal guidance below.
12 additional sections · verified field analysis · defensive doctrine
Querying breach corpus…
Cross-referencing exposed field types…
Resolving threat-actor attribution…
Compiling principal risk advisory…
16.4M records analyzed
About 8fit
8fit is a mobile health and fitness application offering personalized workout and meal plans to a large international user base.
Why They Hold Your Data
Fitness and nutrition apps collect user accounts, emails, health and wellness goals, workout activity, nutrition tracking, subscription records, and behavioral data tied to personal routines.
Recent Developments
8fit notified users of the incident and prompted password resets. The stolen data later circulated on dark-web marketplaces.
Data Points Exposed
6 verified field types
Email Address
Full Name
Gender
Geographic location
IP Address
Password High
Breach Impact
Bcrypt hashing limited direct password recovery, but the email/name/IP set supported profiling and phishing, and inclusion in a widely traded multi-site collection increased cross-service exposure.
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 healthcare-linked breach: exposure ties a named individual to a provider relationship and, where clinical or insurance data is present, to conditions and treatment. 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).
G
Threat Actor: GnosticPlayersConfidence: Medium
Motivation: Financial
A prolific breach seller persona active around 2019 and associated with large batches of stolen account databases. Some modern reporting groups GnosticPlayers with the broader ShinyHunters data-theft ecosystem, but that relationship should be handled cautiously.
This breach is linked to the GnosticPlayers batches (2019) campaign (2019 related breaches tracked by ObscureIQ). See the full campaign analysis →
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