Number of outages affecting the PNC, breakdown below. Partial PNC outages are included in the breakdown. Therefore, elements of the PNC service may have been available during the outage period. Outages on the same day have been counted as separate instances. Year Number of outages - Planned Number of outages - Unplanned 2015 22 48 2016 10 18 2017 9 17 2018 13 12 2019 4 1 2020 7 12 2021 11 18 2022 14 13 2023 17 18 *2024 4 6 Total 111 163 * Outages for 2024 are reported up to 31st March 2024. Regular Security IT Health Checks/Audits are undertaken on PNC with actions to manage, mitigate or resolve vulnerabilities progressed to enhance the security of the system. The PNC is security assured by the Police Digital Service on behalf of Policing and in line with HO policy. PNC has a number of back up servers for resilience and mirroring to provide a Disaster Recovery capability from a secondary site. There are numerous back up servers at the primary site and also at the DR site providing several layers of back up for the operation of the PNC ****NOTE - providing detail on the numbers of actual servers increases the operational risk to PNC.