All directories in local partitions which are
world-writable should be group owned by root or another
system account. If any world-writable directories are not
group owned by a system account, this should be investigated.
Following this, the files should be deleted or assigned to an
appropriate group.
Rationale
Allowing a user account to group own a world-writable directory is
undesirable because it allows the owner of that directory to remove
or replace any files that may be placed in the directory by other
users.
ISA-62443-2-1-2009, Security for Industrial Automation and Control Systems Part 2-1: Establishing an Industrial Automation and Control Systems Security Program