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Epsilon

Epsilon Vendor Cyber Rating & Cyber Score

epsilon.com

Epsilon is a global data, technology and services company that powers the marketing and advertising ecosystem. The world’s leading brands use Epsilon to harmonize consumer engagement across their paid, owned and earned channels, leveraging capabilities that include data, identity resolution, customer data platforms, clean rooms, digital media, retail media, site personalization, direct mail, loyalty, email marketing and measurement. By applying artificial intelligence against privacy-centric consumer recognition–embedded in data-enriched analytic, marketing and media solutions–Epsilon allows marketers to bridge the divide between marketing and advertising technology, engaging consumers with 1 View, 1 Vision and 1 Voice. 1 View of their


Epsilon A.I CyberSecurity Scoring

Epsilon
Company Information
Website:https://www.epsilon.com
Employees number:10,919
Number of followers:527,308
NAICS:541613
Industry Type:Advertising Services
Homepage:epsilon.com
Epsilon Risk Score (AI oriented)
Between 750 and 799
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EpsilonAdvertising Services
Updated:
30/03/2026
783/1000
Fair
Baa
AaaAaABaaBaBCaaCaC
Powered by our proprietary A.I cyber incident model
Insurance prefers TPRM score to calculate premium
Epsilon Global Score (TPRM)
xxxx
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EpsilonAdvertising Services
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Findings

Epsilon
EpsilonFair
Current Score
783Baa (FAIR)
01000
2 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JUNE 2026
783Before Incident
MAY 2026
783Before Incident
APRIL 2026
783Before Incident
MARCH 2026
783Before Incident
FEBRUARY 2026
783Before Incident
JANUARY 2026
783Before Incident
DECEMBER 2025
782Before Incident
NOVEMBER 2025
782Before Incident
OCTOBER 2025
782Before Incident
SEPTEMBER 2025
782Before Incident
AUGUST 2025
782Before Incident
JULY 2025
782Before Incident
JUNE 2011
735Before Incident
Breach
16 Jun 2011Epsilon
Epsilon

Epsilon Data Breach

653After Incident
CRITICAL-82
EPS153827123
Epsilon—the world’s largest permission-based email marketing company suffered a massive data breach incident in April of 2011 where the names and addresses of 60 million users were stolen. An unauthorized entry got into Epsilon’s email system and breached the mails and names of around 2% of their clients. Companies like Walgreens, BestBuy, CitiGroup, JPMorgan, Capital One and others were all affected indirectly.
INCIDENT DETAILS -
TYPE
Data Breach
IMPACT
NamesEmail Addresses
DATA BREACH
NamesEmail AddressesNumber Of Records Exposed: 60 millionNamesEmail Addresses
APRIL 2011
783Before Incident
Breach
01 Apr 2011Epsilon
Epsilon Data Management, LLC

Epsilon Data Management LLC Data Breach

732After Incident
LOW-51
EPS458072625
The Iowa Attorney General's Office reported on April 5, 2011, a data breach involving Epsilon Data Management LLC, which exposed a subset of customer email addresses and names. The breach occurred due to unauthorized access to Epsilon's email system, with a potential impact on Iowans and a warning regarding increased phishing threats.
INCIDENT DETAILS -
TYPE
Data Breach
IMPACT
Email addressesNamesEmail system
DATA BREACH
Email addressesNamesEmail addressesNames

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