PowerShell, Technology

Powershell: Automating Exiting Users

Introduction I have being playing around with Powershell a lot more lately and trying to learn and utilise it as much as possible. One of the repetitive tasks we deal with is when a student exits the school. There are a number of steps in AD that have to be undertaken each time a student leaves. These include: Disable the…

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PowerShell, Technology, Uncategorized

PowerShell Resources

As a Sys Admin, I am probably a bit late to the party with how useful PowerShell can be. I have lately completed a couple of online courses about PowerShell and am trying to use it as much as I can in my day to day work. I am finding it incredibly useful in work and relatively easy to pick…

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Comptia Security+, Security, Technology

Security+ Course – 6.7 Cryptographic Applications

1. Digital Rights Management Digital Rights Management, or DRM software mechanisms, provide content owners with the technical ability to prevent the unauthorised use of their content. DRM uses encryption technology to render content inaccessible to those who do not possess the necessary license to view the information. Apple and many other subscription-based music services do use DRM technology to encrypt…

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Comptia Security+, Security, Technology

Security+ Course – 6.5 Public Key Infrastructure (PKI)

1. Trust Models Requirements for Symmetric Key Exchange: The 2 parties must be confident that they are really communicating with each other and not an imposter The 2 parties must be confident that nobody is eavesdropping on the key exchange Asymmetric Cryptography Users don’t need to share their private keys Users can share their public keys freely Eavesdropping protection isn’t…

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Comptia Security+, Security, Technology

Security+ Course – 6.4 Key Management

1. Key Exchange In symmetric encryption, the sender and receiver share a single secret key that nobody else should know. Before the sender and receiver can begin to communicate using a symmetric algorithm, they must somehow agree upon and exchange the shared secret key that they will use for that communication session. Problems with Key exchange EG: Alice and Bob…

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Comptia Security+, Security, Technology

Security+ Course – 6.2 Symmetric Cryptography

1. Data Encryption Standard (DES) DES was designed by IBM in the 1970’s Intended to serve as a federal encryption standard. Up until that point different agencies used different encryption algorithms. This caused issues with security because all of those algorithms weren’t thoroughly tested, and interoperability because different agencies couldn’t easily communicate with each other How DES Works DES uses…

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