Steam, a popular gaming community, is being targeted with a highly sophisticated phishing attack. But it's the way the hackers are bypassing two-factor authentication that is really concerning. A new story from Netcraft explains the multilayered attack in detail.
Various application platforms support code-signing and provide different tools to perform the signing. Here is a list of the more common code-signing types and references as to where you can find guides for the given application. Adobe AIR Adobe – Digitally signing an AIR file Apple Mac OS X Developer Library – Code Signing and Application Sandboxing Guide Authenticode Entrust