Impact & Downstream Threats
This breach carries high risk due to the nature of exposed data fields and the scale of affected records.
- Credential stuffing against reused passwords across other platforms
- SIM swap attacks where phone numbers are present
- Targeted phishing campaigns using exposed email addresses
- Doxxing risk from physical address exposure
Breach Intelligence
Executive Summary
What happened in the , Zacks, Breach? February 4th 2025, 7:00 pm EST, In December 2022, Zacks Investment Research discovered unauthorized access to certain customer records. An internal investigation revealed that the breach occurred between November 2021 and August 2022, affecting approximately 820,000 individuals. The compromised data included full names, addresses, phone numbers, email addresses, and passwords for the Zacks.com website. In June 2023, a separate database containing information on roughly 8.8 million Zacks users emerged on a hacking forum. This dataset appeared to be older, with the most recent entry dated May 2020, suggesting it was from a prior incident. The exposed information comprised names, usernames, email and physical addresses, phone numbers, and passwords stored as unsalted SHA-256 hashes,
About Zacks
Financial research and data firm.
Data Points Exposed
Dark Web Verification
Status: Confirmed
- Dataset containing approximately 8.9M 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 2020, Zacks experienced a data breach that exposed approximately 8.9M records containing personal information.
The exposed data includes fields such as email address, full name, password, phone number, physical address.
Approximately 8.9M records were affected based on current breach intelligence.
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- A public-facing individual
- A high-profile executive
- A customer of Zacks
- Or concerned about credential reuse
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