Aflac Data Breach History

This page tracks the Aflac data breach history and cybersecurity incidents affecting Aflac (United States). BreachHistory currently indexes 7 publicly disclosed or catalogued incidents spanning 2006 through 2026, with approximately 26.4 million 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 Aflac 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 Aflac Data Breaches

The largest indexed incidents include the 2025 Unauthorized database access — 22M PII, the 2026 Aflac Japan — subsidiary breach; 4.38M customers/agents; bank data exposed, and the 2015 — Aflac: Location of breached information: Unauthorized…, along with additional historical incidents involving exposed passwords, public databases, and large-scale data scraping. Record counts originating from threat actors or leak sites should be treated as estimates unless confirmed by Aflac or a regulator. Below is the list of large data breaches:

• 2025 2025 Unauthorized database access — 22M PII — about 22.0M records exposed · Catalogued incident
• 2026 2026 Aflac Japan — subsidiary breach; 4.38M customers/agents; bank data exposed — about 4.4M records exposed · Catalogued incident
• 2015 2015 — Aflac: Location of breached information: Unauthorized… — about 6.2K records exposed · Catalogued incident
• 2016 2016 — Aflac: Location of breached information: Unauthorized… — about 930 records exposed · Catalogued incident
• 2017 2017 — Aflac: Information on this security breach is provided by… — about 500 records exposed · Unverified claim
• 2014 2014 — Aflac: personal information Location of breached… — about 12 records exposed · Catalogued incident

What Information Was Exposed?

Depending on the incident, exposed data may include Social Security numbers and national IDs, phone numbers, names, physical addresses, payment card and financial account data, bank account details, and other personal information (PII). The exact data varies between incidents, so review each breach page before assuming your information was affected.

Aflac Data Breach 2026

At the time of this update, BreachHistory catalogues 1 2026 incident related to Aflac. Most recent entry: 2026 Aflac Japan — subsidiary breach; 4.38M customers/agents; bank data exposed. 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 Aflac 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 Aflac 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.