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

Nice: unauthorized access to a mail account it manages may have leaked about 2,400 personal data records, and the account was also used to send spam

Unauthorized access to a mail account managed by Nice Corporation may have leaked about 2,400 personal data records; the account was also used to send spam.

Disclosed

2026-08-06

Organizations involved

1

Leaked or at risk

2.4K

2,400

Downtime

Unknown

What happened

  1. It saw suspicious behavior suggesting unauthorized access on a mail address it manages. It changed the account and its management password, cut outside access and began an investigation. [1] [2]

  2. After reporting to the Personal Information Protection Commission, it announced the incident. About 2,400 records stored in the account (names, email addresses, phone numbers, company names and addresses) may have leaked. [1] [2]

  3. It confirmed that a third party had abused the mail address to send spam. It cut the account's sending function and set up a support desk. [1]

Timeline

  1. Detected 2026-07-22
  2. Disclosed 2026-08-06
  3. 15 days

Attack or cause

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

Data exposed or at risk

[Name][E-mail address][Phone number][Postal address]

Organizations involved

  • [Breached][Moderate]Kanagawa, Yokohama, Tsurumi WardWholesale and retail trade2,400 leaked

    Nice Corporation

    Unauthorized access to an inquiry mail account it manages may have leaked the personal data stored in it.

Open in organization search

Sources

  1. [1][Official]メールアドレスへの不正アクセスによる個人情報漏洩の可能性についてNice Corporation · 2026-08-21
  2. [2][News]ナイスのメールアドレスに不正アクセス、約2,400件の個人情報が漏えいした可能性ScanNetSecurity · 2026-08-25 08:05