Comscore is an audience-measurement company operated by Comscore, Inc. (NASDAQ: SCOR), a publicly traded Delaware corporation headquartered in Reston, Virginia. Comscore's own privacy policy states it collects data through browser 'Tags' (cookies and similar technologies, including its ScorecardResearch panel service) that gather cookie/device/machine identifiers, IP-inferred geolocation, and browsing history 'over time and across digital properties, including information about the possible relationships among different browsers and devices' — a cross-device tracking architecture. The same policy states Comscore collects data that reveals or lets it derive sensitive personal information categories including racial/ethnic origin, religious beliefs, health condition, sex life/sexual orientation, and citizenship status, and explicitly self-declares under state privacy laws that it 'sells' and 'shares' several categories of personal information, including for interest-based advertising, and separately sells/shares information revealing the sensitive categories listed above. Comscore's FY2025 Form 10-K discloses a pending, unresolved class-action lawsuit (Singer et al. v. Comscore, Inc., filed February 2026 in the U.S. District Court for the Central District of California) alleging violations of the federal Electronic Communications Privacy Act and California law in connection with Comscore's internet-data collection practices; the company states it believes it has meritorious defenses but cannot estimate the outcome. No settlement, judgment, or FTC/state-AG order was found in this research.
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Comscore's privacy policy states that, applying the definitions in certain privacy laws, it collects data that reveals or from which it could derive sensitive personal information categories including racial or ethnic origin, religious or philosophical beliefs, mental or physical condition or diagnosis, sex life or sexual orientation, or citizenship status; the same policy states it also receives data about individuals from third parties (naming website/application operators and social media platforms — specifically citing Google and Meta as examples) and combines this with data it directly collects.
Comscore, Inc.'s FY2025 Form 10-K, filed with the SEC, states the company is a Delaware corporation headquartered at 11950 Democracy Drive, Suite 600, Reston, Virginia, and that its common stock trades on the Nasdaq Global Select Market under the ticker SCOR.
Comscore's privacy policy states that, in the last 12 months and going forward, it shares for interest-based advertising and otherwise 'sells' categories of personal information including online identifiers, internet/network activity information, and general geolocation information, and separately states it 'sells' and shares for interest-based advertising personal information that could reveal the sensitive-category information described above.
Comscore's own security-practices page states its security program is based on the ISO 27001:2013 control framework and is audited as part of SOX, MRC (Media Rating Council), and SOC3 processes — named third-party audit/accreditation frameworks beyond a bare clean-record claim.
Comscore's FY2025 Form 10-K discloses that in February 2026 a purported class-action complaint (Singer et al. v. Comscore, Inc., No. 2:26-cv-01108, C.D. Cal.) was filed alleging violations of the federal Electronic Communications Privacy Act and California law in connection with Comscore's alleged collection of internet data from California residents; the company states it believes it has meritorious defenses but cannot reasonably estimate the outcome or potential liability.
Comscore's privacy policy states its browser 'Tags' (cookies and similar technologies, including the ScorecardResearch service) may collect data about a user's web browsing over time and across digital properties, including information about the possible relationships among different browsers and devices, in connection with the DAA Self-Regulatory Principles for interest-based advertising.