Impact & Downstream Threats
This breach carries critical risk due to the nature of exposed data fields and the scale of affected records.
- Credential stuffing against reused passwords across other platforms
- Targeted phishing campaigns using exposed email addresses
- Doxxing risk from physical address exposure
Breach Intelligence
Executive Summary
What happened in the , Poshmark, Breach? March 3rd 2025, 7:00 pm EST, In May 2018, Poshmark, a social commerce marketplace, experienced a data breach that exposed approximately 36 million user accounts. The compromised data included email addresses, usernames, full names, genders, locations, and passwords hashed using bcrypt.,
The breach was publicly disclosed in August 2019, when Poshmark announced that an unauthorized third party had acquired user data. The company stated that financial information and physical addresses were not affected. Poshmark advised users to change their passwords as a precautionary measure and implemented enhanced security measures to prevent future incidents.,
About Poshmark
Social commerce marketplace for fashion.
Data Points Exposed
Dark Web Verification
Status: Confirmed
- Dataset containing approximately 36.4M records identified in breach intelligence sources.
- The data is indexed and searchable across breach notification platforms.
Recommended Actions
⚠️ Do not assume this is low sensitivity.
Non-clients may request a breach impact review.
Frequently Asked Questions
In May 2018, Poshmark experienced a data breach that exposed approximately 36.4M records containing personal information.
The exposed data includes fields such as email address, full name, gender, geographic locations, password.
Approximately 36.4M records were affected based on current breach intelligence.
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- A public-facing individual
- A high-profile executive
- A customer of Poshmark
- Or concerned about credential reuse
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