All Breaches
June 21, 2020 Misattributed marketing data

Not Acxiom Alleged Data Exposure

Not Acxiom data breach concerns a large-scale personal data set that circulated in 2020 and was initially misattributed to a major marketing data company.

51.7 Million
Email Identifiers
5
Data Types
Critical
Exposure Scope
No
Verification

Exposed Data Types

5
Email addresses
IP addresses
Names
Phone numbers
Physical addresses

Additional Information

Added DateNovember 22, 2022
Breach DateJune 21, 2020
SourceUnverified breach record
Last Content UpdateJuly 18, 2026

Verification and editorial method

LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.

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Record Information

Record NameNot Acxiom
CategoryMisattributed marketing data
CountryGlobal

Risk Level

Critical

The reported impact exceeds 1 million and falls within the critical severity band.

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