Real-life Public Key Encryption (And Why It Matters)

One major topic in Learning Tree Course 468 System and Network Security Introduction is that of encryption. It is a core technology in cyber security because it is used to secure confidential data, as well as protect passwords and the integrity of documents. There are two basic families of encryption used to ensure the confidentiality […]
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CISSP Certification Exam Changes: What You Need to Know

Effective May 1, 2021, the CISSP certification exam will be changing as part of (ISC)2®’s effort to ensure continued market relevance for their certifications, as well as align with new knowledge and the latest best practices. As (ISC)2’s first Premier Global Training Partner, Learning Tree and our expert instructors want to help you prepare for […]
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Security Should be Simple For the End-User?

“I wish it were easier to turn on security,” grunted my wife through gritted teeth as she tried to configure some security feature in yet another app on her laptop. We can probably all sympathize: if you want to add security to an application, you have to do work upfront and every time you use […]
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Password Cracking Just Got Easier

Cracking or discovering a simple password is not difficult, but it can be time-consuming. It just got a bit quicker. We discuss and demonstrate multiple ways to do that in Learning Tree Course 468 System and Network Security Introduction. One mechanism we do not demonstrate is the use of graphics cards (GPUs) to do the […]
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People May be Too Fearful of Phishing Now

For years security professionals have tried to convince family, friends, and fellow employees to be wary of unsolicited email messages. We’ve shared examples of phishing emails, sent out tests, and stressed the consequences of sharing confidential data. It all may have worked too well! SC Magazine reported last year that employees are ignoring legitimate business […]
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