← ARCHIVE / CASE-20150916-EXPERIAN
CASE FILE CASE-20150916-EXPERIAN

Experian (2015)

experian.com
CRITICAL
7,196,890 ACCOUNTS
SEP 2015 BREACH DATE
13 DATA TYPES
11mo DARK PERIOD

EVIDENCE FILE

CASE CONTEXT

This record summarizes the public breach profile for Experian (2015): when it happened, when it surfaced publicly, the estimated exposure, and whether Have I Been Pwned currently marks it as verified. It is a plain-English view for quick risk review and source attribution — it keeps the source data visible, separates the public incident record from recovery advice, and collects nothing about you.

RISK REVIEW

The right response depends on what was exposed. The reported data classes here are Credit status information, Dates of birth, Email addresses, Ethnicities, Family structure, Genders, Home ownership statuses, Income levels, IP addresses, Names, Phone numbers, Physical addresses, Purchasing habits: email addresses and usernames can fuel phishing or account enumeration, profile data helps with impersonation, and financial or government identifiers warrant a closer fraud review. Have I Been Pwned does not currently mark this breach as verified, so the file should be treated as a public archive record rather than an account-specific confirmation.

This public record does not list passwords among the exposed data classes. It can still support phishing, account recovery abuse, or identity profiling when combined with other breach records. HIBP does not mark this breach as sensitive, but the exposed data can still matter if it helps attackers identify, profile, or credential-stuff affected users. For personal cleanup, start with password reuse, two-factor settings, and recovery-email security on the affected service. For research, treat this file as a source pointer and confirm exact impact against the original HIBP entry — the counts here describe the public record, not any one account.

DISCOVERY GAP

DISCOVERY GAPTime between breach occurrence and public disclosure
BREACH OCCURREDSEP 2015
11 months dark
DATA SURFACEDSEP 2016

11 months passed before this incident was disclosed.

RELATED CASES - 2015