Impact & Downstream Threats
This breach carries critical risk due to the nature of exposed data fields and the scale of affected records.
- Identity verification bypass using name + date of birth combination
- 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 mid-2020, a massive dataset labeled "Acuity" surfaced online, comprising approximately 437GB of personal information. This dataset contained over 14 million unique email addresses and more than 400 data fields per record, including names, phone numbers, physical addresses, dates of birth, genders, and other sensitive details. The origin of this data remains unclear, as no organization named "Acuity" has publicly acknowledged a breach corresponding to this dataset. ,
The dataset was widely distributed on hacking forums, raising concerns about its potential misuse. The lack of attribution and verification has made it challenging to assess the full impact and scope of the breach. Despite efforts by cybersecurity experts to trace the source, the dataset's provenance remains unconfirmed. ,
As of now, there have been no public reports of legal actions or regulatory investigations related to this dataset. The incident underscores the challenges in attributing and responding to large-scale data breaches, especially when the source remains unidentified.,
About Acuity
Appointment scheduling software for businesses.
Data Points Exposed
Dark Web Verification
Status: Confirmed
- Dataset containing approximately 241.8M 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 2020, Acuity experienced a data breach that exposed approximately 241.8M records containing personal information.
The exposed data includes fields such as date of birth, email address, full name, gender, ip address.
Approximately 241.8M records were affected based on current breach intelligence.
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- A public-facing individual
- A high-profile executive
- A customer of Acuity
- Or concerned about credential reuse
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