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
- 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
In June 2024, the investment research company Zacks was allegedly breached, and data was later published to a popular hacking forum. This comes after a separate Zacks data breach confirmed by the organisation in 2023 with the subsequent breach disclosing millions of additional records representing a superset of data from the first incident. The 2024 breach included 12M unique email addresses along with IP and physical addresses, names, usernames, phone numbers and unsalted SHA-256 password hashes. Zacks did not respond to multiple attempts to contact them about the incident.
About Zacks
Financial research and data firm.
Data Points Exposed
Dark Web Verification
Status: Confirmed
- Dataset containing approximately 12.0M 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 June 2024, Zacks experienced a data breach that exposed approximately 12.0M records containing personal information.
The exposed data includes fields such as email address, full name, ip address, password, phone number.
Approximately 12.0M 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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