Unless they are configured properly, they are providing you a false sense of security. And remember, when viewed from a distance, many software products seem pretty much alike and they all claim to be the latest and greatest. But few actually are. YOU MUST DO 1. Update programs as often as possible to avoid being attacked by a newly discovered danger.
Most software programs offer free updates on-line for the most recently detected viruses.
Regardless of how meticulous you are about your security measures, there is no system or combination of systems that is absolutely 100 percent effective and there is always that chance something can go wrong. Never download pictures or .exe files from IRC or ICQ or any other untrusted source. Try to avoid giving away your personal IP Use caution when using floppy disks or CD ROMS from others. Always scan first. Always scan new programs or downloads.