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Articles by W. Jason Gilmore 

Securely Manage Server Accounts with Key-based Authentication

Using the same password for every account is simpler, but it can prove disastrous if an attacker compromises even a single server and accesses the user accounts.

Improve Information Security with PHP Script

In this tutorial, learn how to securely execute a variety of system-based commands via a PHP script in order to build Web applications that can tightly integrate with both the operating system and third-party software.