System executables are stored in the following directories by default: /bin /usr/bin /usr/local/bin /sbin /usr/sbin /usr/local/sbin All files in these directories should be owned by the 'root' user. If any file

[sys_exec_files_have_root_ownership/sys_exec_files_does_not_have_root_ownership]

System binaries are executed by privileged users as well as system services, and restrictive permissions are necessary to ensure that their execution of these programs cannot be co-opted.