Cryptography Concepts – CompTIA Security+ SY0-501 – 6.1

Cryptography Concepts – CompTIA Security+ SY0-501 – 6.1

Cryptography is derived from the Greek word “kryptos,” which means hidden or secret. And when we think about cryptography, that is one of the first things we think about– is keeping things secret. Cryptography allows us to have confidentiality of data, but cryptography also allows some other capabilities, such as authentication and access control. We

Physical Security Controls – CompTIA Security+ SY0-501 – 3.9

Physical Security Controls – CompTIA Security+ SY0-501 – 3.9

Bad guys don’t like to be seen, which is why lighting is so important if you’re trying to provide security. More light means that there’s going to be more security. It’s easier to see everything when it’s lit. And if you have cameras that don’t have any type of infrared capability, more light means that

Embedded Systems – CompTIA Security+ SY0-501 – 3.5

Embedded Systems – CompTIA Security+ SY0-501 – 3.5

SCADA stands for Supervisory Control and Data Acquisition System. You may also see this referred to as Industrial Control Systems, or ICS. SCADA systems are large pieces of equipment, usually used in manufacturing or in power distribution. And we need some way to connect all of these devices together so that you can control them

Installing a SOHO Network – CompTIA A+ 220-1001 – 2.3

Installing a SOHO Network – CompTIA A+ 220-1001 – 2.3

If you work in a large corporation, you probably have a data center, and that data center has many racks of equipment. You have routers and switches and firewalls and intrusion prevention systems and many other components that make up your networking infrastructure. But if you’re in a small office, home office, that’s a SOHO,