A Sendmail alias allows input to be piped to a program.

rpc.admind in Solaris is not running in a secure mode.

A URL for a WWW directory allows auto-indexing, which provides a list of all files in that directory if it does not contain an index.html file.

Windows NT is not using a password filter utility, e.g. PASSFILT.DLL.

A router's configuration service or management interface (such as a web server or telnet) is configured to allow connections from arbitrary hosts.

A Windows NT system's file audit policy does not log an event success or failure for non-critical files or directories.

A Windows NT system's registry audit policy does not log an event success or failure for security-critical registry keys.

A Windows NT system's registry audit policy does not log an event success or failure for non-critical registry keys.

The HKEY_LOCAL_MACHINE key in a Windows NT system has inappropriate, system-critical permissions.

The HKEY_CLASSES_ROOT key in a Windows NT system has inappropriate, system-critical permissions.

There is a one-way or two-way trust relationship between Windows NT domains.

A Windows NT file system is not NTFS.

A network service is running on a nonstandard port.

A WWW server is not running in a restricted file system, e.g. through a chroot, thus allowing access to system-critical data.

A filter in a router or firewall allows unusual fragmented packets.

A system-critical Windows NT registry key has inappropriate permissions.

An event log in Windows NT has inappropriate access permissions.

The Logon box of a Windows NT system displays the name of the last user who logged in.

The default setting for the Winlogon key entry ShutdownWithoutLogon in Windows NT allows users with physical access to shut down a Windows NT system without logging in.

A Windows NT system does not restrict access to removable media drives such as a floppy disk drive or CDROM drive.