If you're looking for a standalone FIM solution, there are many third-party products available that specialize in file integrity monitoring, such as:
Thus, if you hear “Symantec has FIM,” it likely refers to the cloud-native SES Complete or the retired SCSP, not the traditional SEP. If you're looking for a standalone FIM solution,
SEP’s feature allows administrators to define rules that monitor and restrict which executables, scripts, and DLLs can run. It can also monitor certain file system paths for changes to binary files. However, this is not FIM because: such as: Thus