COI Report – Part II
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425 which in turn communicate with the SCM database servers, where patient data is stored.
8.2 SCM application and database servers 56. The SCM database is hosted on a server in the HDC, and is accessible through the SCM client application. The SCM application and database servers are physically located at HDC.
8.3 Citrix servers 57. The SCM Application is not installed on individual users workstations. Instead, users access the SCM Application through Citrix servers in the H-Cloud, on which the said application is published (
i.e. made available for access by multiple users
through a process known as virtualisation). The HDC Citrix servers were protected by a firewall.
58. There is another set of Citrix servers critical to this Inquiry, which was located in Singapore General Hospital (“
SGH”). The SGH Citrix servers were located at the SGH Local Data Centre (“
LDC”). These servers were deployed
in a sub-net that was not protected by a firewall. The SGH LDC also had another location at the SGH Academia building, which was protected by a firewall. This location contained other IHiS servers that are not relevant to the Inquiry.
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