A chain is only as strong as its weakest link. That´s doubly true when it comes to protecting computers that are connected to the internet. Anyone who thinks that a virtual firewall is enough to protect a PC from the dangers of the internet — such as hacker attacks and unwanted contact with damaging programs — is making a mistake.
That level of safety requires a combination of several protective measures. Firewall software for home use is not much more than a leaky dike.
“It´s dangerous to view a firewall as some sort of PC airbag,” warns Professor Stefan Wolf, who teaches applied computer sciences at the Polytechnic University of Lippe and Hoexter, Germany.
The so-called personal firewall programs commonly used with home PCs are not comparable to the powerful firewalls used in companies or public organisations.Read Full Story