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Safety and Security
-
Number of
service suspensions0
-
Number of
incidents of
personal information
leaks1
-
Stable service
provision rate100
*You can scroll horizontally
| CSR Priority Activities | Medium-term Targets | CSR Quantitative Indicators | KPI | Target Achievement FY | Result (FY) | ||
|---|---|---|---|---|---|---|---|
| 2017 | 2018 | 2019 | |||||
| Reinforce information security | Suspension of telecommunications services due to cyber attacks from the outside*1 | Number of service suspensions | 0 | 2020 | -- | -- | 0 |
| Number of incidents of personal information leaks due to cyber attacks from the outside*1 | Number of incidents of personal information leaks | 0 | 2020 | -- | -- | 1 | |
| Personal information protection | Zero incidents of personal information leaks | Number of incidents of personal information leaks | 0 | -- | 2 | 1 | 1 |
| Ensure stability and reliability of telecommunications services*4 | Provide stable telecommunications services free of major communications problems | Stable service provision rate*2 | 99.99% | -- | 100% | 100% | 100% |
| Number of major accidents*3 | 0 | -- | 0 | 0 | 0 | ||
*1Newly established in fiscal 2020
*2[1 - total hours under the impact of major accidents (number of affected users × hours of major accidents) / total hours of major service provision (number of users × 24 hours × 365 days)] × 100%
*3Number of accidents that led to a suspension of telecommunications services or a decline in communications quality that meet the following criteria regarding duration and number of people affected:
・Emergency call services (110, 119, etc.): at least 1 hour affecting at least 30,000 users
・Voice services other than emergency calls: at least 2 hours affecting at least 30,000 users, or at least 1 hour affecting at least 100,000 users
・Internet-related services (free of charge): at least 12 hours affecting at least 1 million users, or at least 24 hours affecting at least 100,000 users
・Other services: more than 2 hours affecting 30,000 users, or more than one hour affecting 1 million users
*4Targets of statistics: Four telecommunications business companies (NTT East, NTT West, NTT Communications, and NTT DOCOMO)
Safety and Security
