Encrypt your files transparently in Linux with eCryptfs, an enterprise-class stacked cryptographic file system.

Learn about the security provisioning of Windows Mobile devices and how you can provision your own Windows Mobile device using the Device Security Manager (included with Visual Studio 2008).

Build a system to securely talk to your Linux server via email using an email client, GnuPG, procmail, and PHP.

Find out how the new platform security features affect Python for S60, what your development options will be, and how to perform native extending.

This comprehensive guide discusses where to get, how to install, and how to use the various cryptography packages available to enhance the security of your PHP applications.

Just about every web application uses the username and password combination for authentication. OpenID offers a better way. Learn how to integrate OpenID authentication in your Rails 2.0 applications.

Use extension methods to breathe new life into old classes—even classes that you didn't write!

Protecting your systems requires more than just a firewall and a password; you need a documented process.

Learn to take advantage of the inner workings of ASP.NET's security model to help eliminate security vulnerabilities from your web applications.

SQL Server's CREATE ASSEMBLY statement lets you catalog code with one of three predefined security buckets. But under the covers, there are actually two distinct security models at play: Code Access Security and Host Protection, and you need to understand both.

Learn how to add robust security features to a simple wiki system built on the Rails platform.

To secure a wireless network you must first determine the state of the network and then provide a defense against intrusions. Enter Scapy, a packet-crafting tool written in Python.

Neglecting to check all application input to ensure it contains only valid content is simply asking for trouble.

Microsoft's LINQ to SQL technology offers .NET developers the chance to eliminate the possibility of SQL injection security vulnerabilities in their web applications.

Choosing a web services security solution can be daunting. Here's a guide that examines some of the popular security solutions and assesses each one's strengths and limitations.

This article attacks a problem for which I have heard many solutions: How can you offer file downloads on the Internet and protect them from unauthorized downloading?

We've offered a few solutions for working with web cams within .NET to create fun and intriguing monitoring applications. In this article, we extend those ideas so that web cam images can be shared with multiple clients over the Web.

Web application fuzzing enables you to detect a web application's vulnerabilities prior to deploying it on a production system.

Developing enterprise AJAX applications can raise security concerns. By applying server-centric approaches that leverage the inherent security of Java and JavaServer Faces, you can deliver AJAX-enriched presentation to the client, but restrict the client's role to just that—presentation.

The labyrinth of security features for WCF is intricate and at times even overwhelming. At its core, however, are a basic set of security principals for authentication, authorization, and message transfer protection.