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

Inventit: cyberattack on the mobiconnect device management service leaks customer-uploaded files

A series of cyberattacks on mobiconnect led to some customer-uploaded files being taken and leaked. An outside firm will investigate.

Disclosed

2026-11-04

Organizations involved

1

Leaked or at risk

Unknown

Downtime

Unknown

What happened

Inventit detected unauthorized access to mobiconnect on 31 October. Attacks continued intermittently and were blocked each time. It confirmed that some files uploaded by customers and stored in the service were taken by a third party and leaked; their contents and number are not disclosed. It says the necessary countermeasures are complete and does not ask users to change passwords or reset devices across the board. An outside specialist will investigate how it happened and its scope. [1]

Timeline

  1. Detected 2026-10-31
  2. Disclosed 2026-11-04
  3. 4 days

Attack or cause

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

Data exposed or at risk

–

Services hit

Organizations involved

Sources

  1. [1][Official]【重要】mobiconnectへのサイバー攻撃による情報漏洩に関するお詫びとお知らせInventit · 2026-11-04