Host Security Personal password-protects files and folders and firewalls network accesses. It can restrict uses of local hard disks, CD-ROM drives, floppy drives, and removable disk drives. It can also stop hackers from accessing you computer, prevent your children from visitting unhealthy websites, and block MSN Messenger, Yahoo! Messenger, ICQ, and AOL Instant Messenger. It supports FAT/FAT32/NTFS.