Category: Cyber Security

What is “computer security”? When Adrian Bryan and I set out to write our Introduction to System and Network Security course for Learning Tree some years ago, we needed to start with a definition. It served as a sort of goal or guiding light in writing the course materials. The definition is from Simson Garfinkel […]

Most Internet communications security is provided by the SSL/TLS series of protocols. There is an enormous problem with early versions of SSL/TLS. We have known about this problem since 2002, and a solution has been available since 2006. Sadly, we still need to worry about this. Here is a brief timeline: SSL v1 — Only […]

I see a lot of misguided talk about cloud computing and its security as the New Big Thing. I was reminded of this the other evening when the local brewpub hosted a talk by Gene Spafford,  the director of Purdue University’s CERIAS, the Center for Education and Research in Information Assurance and Security. Spaf spoke […]

Welcome to our newest blog, Perspectives on Security and Information Assurance! Learning Tree offers a range of cybersecurity courses from CompTIA certification to Cloud Security Essentials to CEH: Certified Ethical Hacker and more. This blog will feature perspectives of expert Learning Tree authors and instructors, covering all the latest in cybersecurity trends, news, and training […]