Comscore, Inc. Data Breach History
WebsiteComscore (NASDAQ: SCOR) is a global, trusted partner for planning, transacting and evaluating media across platforms. With a data footprint that combines digital, linear TV, over-the-top and theatrical viewership intelligence with advanced audience insights, Comscore empowers media buyers and sellers to quantify their multiscreen behavior and make meaningful business decisions with confidence. A proven leader in measuring digital and TV audiences and advertising at scale, Comscore is the industr
This page shows all data breaches of Comscore, Inc.. View the complete breach timeline, records exposed, root causes, and AI breach risk score. BreachHistory tracks disclosed data breaches worldwide.
Data Breach Timeline — All Comscore, Inc. Breaches
- 2013 2013 — Comscore, Inc.: Two comScore panelists filed a lawsuit in August of… Unknown records Share
Comscore, Inc. Data Breach Summary
This page tracks the Comscore, Inc. data breach history and cybersecurity incidents affecting Comscore, Inc. (United States). BreachHistory currently indexes 1 publicly disclosed or catalogued incident spanning 2013, with approximately an unknown number of records reported as exposed across all indexed events. These totals may include overlapping datasets or third-party estimates and should not be interpreted as unique affected users.
The Comscore, Inc. breach timeline includes major data breaches, cyber attacks, data leaks, credential exposures, API abuse, and other security incidents. Each incident provides details on the estimated records exposed, attack method, affected data types, and supporting public sources. Currently, 0 incidents are company-confirmed, while 1 remain unverified claims pending independent verification.
Largest Comscore, Inc. Data Breaches
Indexed Comscore, Inc. incidents are listed below. Where a public count is unavailable, the catalog shows unknown records exposed. Open each page for attack method, data types, and sources.
- 2013 2013 — Comscore, Inc.: Two comScore panelists filed a lawsuit in August of… — about Unknown records exposed · Unverified claim
What Information Was Exposed?
Depending on the incident, exposed data may include email addresses, passwords, phone numbers, names, profile information, account identifiers, and other personal information (PII). The exact data varies between incidents, so review each breach page before assuming your information was affected.
Comscore, Inc. Data Breach 2026
At the time of this update, no Comscore, Inc. data breach has been catalogued for 2026. New incidents are added as official disclosures, regulatory filings, or credible cybersecurity reports become available.
What To Do If You Were Affected
If you believe your account may have been involved in a Comscore, Inc. data breach, change any reused passwords, enable multi-factor authentication (MFA), monitor your account for suspicious activity, and be cautious of phishing emails or fake breach notifications.
This Comscore, Inc. breach history is maintained by BreachHistory using public disclosures, regulatory filings, security research, and clearly labelled third-party claims. For the complete breach timeline, records exposed, incident details, and AI Breach Risk Score, explore the sections on this page.