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June 15, 2026 Verified Sensitive Record Insurance

Aflac Japan 2026 Security Incident

The 2026 Aflac Japan security incident involved officially reported unauthorized access to some systems from June 15 through June 25, 2026, with the company identifying the incident on June 25.

4.4 Million
Affected Accounts
8
Data Types
Critical
Severity
Yes
Verification

Exposed Data Types

8
Names
Dates of birth
Gender
Physical addresses
Phone numbers
Insurance policy numbers
Insurance policy information
Subset-only bank account information

Additional Information

Added DateJuly 9, 2026
Breach DateJune 15, 2026
Domainaflac.co.jp
SourceOfficial Aflac Japan FAQ and regulatory filing
Last Content UpdateJuly 29, 2026

Verification and editorial method

LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.

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Company Information

Company NameAflac Life Insurance Japan Ltd.
SectorInsurance
CountryJapan
Websiteaflac.co.jp

Risk Level

Critical

The reported impact exceeds 1 million and falls within the critical severity band.

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