They keep damage on one part of the network-such as eavesdropping, a worm program, or file damage-from spreading to the rest of the network. And others, like the distributed denial of service attacks that crippled Yahoo, E-Bay, and other major e-commerce sites in early 2000, are in current headlines.įirewalls, critical components of today's computer networks, effectively protect a system from most Internet security threats.
What kinds of security threats does the Internet pose? Some, like password attacks and the exploiting of known security holes, have been around since the early days of networking. We've updated Building Internet Firewalls to address these newer risks. The security risks-and the need to protect both business and personal data-have never been greater. The commercial world has rushed headlong into doing business on the Web, often without integrating sound security technologies and policies into their products and methods.
In the five years since the first edition of this classic book was published, Internet use has exploded.
0 kommentar(er)
