Professor Messer’s CompTIA A+ Study Group – November 2014
In this month’s Study Group replay, we survive another round of live interactive Q&A and your calls in the after-show!
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Professor Messer’s Network+ Study Group – September 2014
This is the replay of our live Network+ Study Group and Pop Quiz extravaganza! I’ll present some Network+ questions to see how much you know of the Network+ exam objectives.
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Trust Models – CompTIA Security+ SY0-401: 6.3
There are many ways to manage and validate the trust of our encryption keys. In this video, you’ll learn about using CAs, mesh relationships, web-of-trust, and mutual authentication.
Key Escrow – CompTIA Security+ SY0-401: 6.3
The escrow of encryption keys can be a necessary process, but it isn’t without controversy. In this video, you’ll learn the advantages and disadvantages of escrowing your encryption keys.
Key Registration – CompTIA Security+ SY0-401: 6.3
If a key is going to be associated with a person, there must be a formal way to validate the association. In this video, you’ll learn about the best practices for registering and assigning encryption keys.
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Public and Private Keys – CompTIA Security+ SY0-401: 6.3
For asymmetric encryption, you’ll need the public and private key pair for successful encryption and decryption. In this video, I’ll demonstrate the creation of a public and private key pair.
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Key Recovery – CompTIA Security+ SY0-401: 6.3
If you lose your encryption key, you’ll lose access to all of your data. In this video, you’ll learn about key recovery techniques and how some certificate authorities can manage your encryption keys.
Public Key Infrastructure – CompTIA Security+ SY0-401: 6.3
If you have a large number of devices using a public key infrastructure, you’ll need a way to manage all of the keys in the infrastructure. In this video, you’ll learn about public key infrastructures and the key management lifecycle.
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Digital Certificates – CompTIA Security+ SY0-401: 6.3
We rely on digital certificates for much of the encryption that we use over the Internet. In this video, you’ll learn about digital certificates and what information is contained in a digital certificate.
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Key Revocation – CompTIA Security+ SY0-401: 6.3
An encryption key may need to be revoked for many reasons. In this video, you’ll learn about automated key revocation and how to revoke keys in a web-of-trust.