Expert analysis

Have you ever mistyped the address of a web site and received a message like “Error – page name could not be found” or “The page you requested: page …

Domain name system (DNS) servers translate names suitable for use by people (such as www.example.com) into network addresses (e.g., 192.168.4.22) suitable for use by …

Hacker attacks are no longer limited to high-profile organizations such as banks and governments. Automated tools have made it easier to identify and exploit network …

While it sounds strange, disconnecting your e-commerce servers from the Internet is exactly what SpearHead Security Technologies would have you do – using their NetGAP …

Stuart Stuart McClure is the President and CTO of Foundstone, a successful security author, speaker, and teacher. Stuart holds a B.A. degree from the University of Colorado, …

Traditional Internet filtering methods depend on manually compiled blocking lists, individual ratings or online applied heuristics algorithms. These methods are, for the most …

Much of the focus of disaster recovery planning is on creating redundant data sites and backup tapes. Very often, a crucial component is overlooked: that of keeping current …

Buffer Overflows are one of the most common and potentially deadly forms of attack against computer systems to date. They allow an attacker to locally or remotely inject …

Enterprise security is traditionally managed with a plethora of tools. Common among them are firewalls, intrusion detection systems, vulnerability scanning, and penetration …

This paper is written from the perspective of an attacker and shows typical “cursi incursi” for Microsoft SQL Server. An attacker’s location in the …

The Secure Socket Layer is the protocol that gives e-commerce the confidence it needs to allow on-line banking and shopping. SSL provides and encrypted bi-directional data …

Most enterprise networks are protected from the Internet by firewalls. While firewall protections are essential, they rarely identify types of attacks, or attacks on allowed …