• Command Line Resources: All kinds of command-line commands including bash, oracle, command prompt, OS X, SQL Server, VB Script, PowerShell, etc. 
• Virtual Box: A virtualization product supporting a large number of guest operating systems.
• InfoSec: A website regarding various security topics and certifications. 
• Naked Security by Sophos: The top cybersecurity news and research work from one of the well-known companies engaged in cybersecurity.
• Linux From Scratch: Interested in building your own Linux distro from source code? Start here!
• HowTo: Privacy & Security Conscious Browsing: Read up if you’re concerned about your safety and privacy on the open net. 
• TCPdump Guide: Learn advanced tcpdump techniques for analyzing network packets 
• Cybersecurity Awareness Month: Raise awareness about the importance of cybersecurity across the Nation. 
• Ebooks: Free ebooks for download direct from Microsoft.
• Cybrary: Free Cyber Security training courses
• FutureLearn: Free Intro to Cyber Security course
• MIT: Computer Systems Security: Free graduate-level course through OpenCourseWare.
• Metasploit Unleashed: Free course on Introduction to Metasploit.
• OWASP: Open Web Application Security Project.
• CEROC: Cyber Security Education Research & Outreach Center of Tennessee Tech
• WiCyS: Women in Cyber Security Organization