Versions

6.2.9200.16384 (win8_rtm.120725-1247)	5.37%
6.1.7600.16385 (win7_rtm.090713-1255)	39.16%
6.1.7600.16385 (win7_rtm.090713-1255)	54.00%
5.1.2600.5512 (xpsp.080413-2111)	1.37%
5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)	0.11%

This is a Windows system installed file with Windows File Protection (WFP) enabled.

smss.exe has 5 known versions, the most recent one is 6.2.9200.16384 (win8_rtm.120725-1247). smss.exe is run as a standard windows process in the context of the SYSTEM account with extensive privileges. The average file size is about 72.7 KB. During the process's lifecycle, the typical CPU resource utilization is about 0.0005% including both foreground and background operations, the average private memory consumption is about 402.16 KB with the maximum memory reaching around 913.98 KB. Addionally, typically read and write I/O disk operations is about 697 Bytes per minute for reads and 11 Bytes per minute for writes.

When a client first tries to access a protected resource that is hosted by a relying party, the client must first authenticate itself to a security token service (STS) that is trusted by the relying party. The STS then issues a security token to the client. The client presents this token to the relying party, which then grants the client access to the protected resource. However, you don’t want the client to have to re-authenticate to the STS for each request, especially because it might not eve