Mitsui Fudosan published a second report on 28 September concerning the unauthorized access to some systems of the Mitsui Fudosan Group that it had announced on 1 September. Some credentials were misused through unauthorized activity involving a third party, and some information may have been viewed.
On 28 September, Mitsui Fudosan published a second report on the unauthorized access to some systems of the Mitsui Fudosan Group that it had announced on 1 September. The company had been investigating after confirming the unauthorized access on 28 August, and found that some credentials used by the company had been misused and that some information may have been viewed by a third party.
A second official report was published concerning the possibility of information leakage resulting from the unauthorized access, and the company disclosed the results of its additional investigation. A PDF document was provided as a related link, offering a source of primary information.
The article does not provide specific figures on the cause of the unauthorized access or the scope of its impact, and the situation remains pending further official reports or subsequent updates.