> JapanHacked_
[Contained][Severity: Major][Intrusion]

Prudential Life: data stolen from an MDM server

A vulnerable MDM server was accessed on May 16 and data theft was identified on May 20. Names, user IDs and work email addresses for 11,919 employees, former employees and contractors were exposed. No customer data was stored there. The server was isolated and fixed, with no confirmed secondary harm at disclosure.

Disclosed

2025-06-20

Organizations involved

1

Leaked or at risk

11.9K

11,919

Downtime

Unknown

Timeline

  1. Started 2025-05-16
  2. Detected 2025-05-20
  3. Disclosed 2025-06-20
  4. 35 days

Attack or cause

Method
[Intrusion]
Impact
[Data leak]
Entry point
Unknown

Data exposed or at risk

[Name][E-mail address]

Organizations involved

Open in organization search

Sources

  1. [1][Official]弊社の社内ネットワークへの不正アクセスによる社員等の情報流出についてThe Prudential Life Insurance Company, Ltd. · 2025-06-20