Personal Information Leak Caused by Unauthorized Access
First written in FY2016. 1 of 2 entries say "Materialised", first in FY2016. Latest entry: FY2017.
The whole theme swung hardest in 2026: 13 of 49 companies on the "Worse" side.
22 other companies' latest entry also says "Mitigated".
- FY2017MitigatedAnnual report
「The company publicly announced the incident the following day, established the Personal Information Unauthorized Access Investigation Committee, including external information security experts, compiled measures to determine the cause and prevent recurrence as of 14 July, publicly disclosed the details and implemented the measures.」
An incident involving the leakage of approximately 430,000 records of personal information occurred, and the investigation and measures to prevent recurrence were disclosed and implemented. - FY2016MaterialisedAnnual report
「The website of Nippon Television Network Corporation was subject to unauthorized access on the afternoon of 20 April 2016, and personal information, including the names, addresses and email addresses of viewers submitted through application forms for certain programs, among approximately 430,000 records, may have been leaked externally.」
The disclosure describes an actual incident of unauthorized access that created the possibility of external leakage of approximately 430,000 records of personal information.