Codewalkers.com has a new post today informing us of the release of the latest (IN)Secure magazine - Issue #4.

The fourth issue of (IN)SECURE, a free digital security magazine published in PDF format, has been released.

The covered topics are:

• Structured traffic analysis
• Access Control Lists in Tiger and Tiger Server - true permission management
• Automating I.T. security audits
• Biometric security
• PDA attacks, part 2: airborne viruses - evolution of the latest threats
• Build a custom firewall computer
• Lock down your kernel with grsecurity
• Interview with Sergey Ryzhikov, director of Bitrix
• Best practices for database encryption solutions