Category: Cyber Security

Cloud technology intimidates many organizations. The mechanics of setting it up are very different from the traditional model. Several companies offer services establishing and maintaining cloud architectures for their customers. Many people call these providers “cloud brokers.” To me, the term “cloud concierge” or “cloud butler” is far more descriptive. I guess I’m thinking of […]

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 […]