Preventing Data Loss Pt. 2 – CompTIA Security+ Lesson 15

Sooner or later, your equipment will fail, an thus result in a loss of data. Implementing fault tolerance is a good way of preventing data loss. Last week I made a post about backups regarding data loss. This week it's all about RAID systems. (Learn how to create a RAID with a Rapsberry PI here) … Continue reading Preventing Data Loss Pt. 2 – CompTIA Security+ Lesson 15

Preventing Data Loss Pt.1 – CompTIA Security+ Lesson 14

Sooner or later, your equipment will fail, an thus result in a loss of data. Implementing fault tolerance is a good way of preventing data loss. In this post I will give you a quick overview on preventing data loss through fault tolerance. What does that even mean? It means we're gonna take a look … Continue reading Preventing Data Loss Pt.1 – CompTIA Security+ Lesson 14

Virtualization – CompTIA Security+ Lesson 12

Virtualization. A popular word. But what does it mean, what is it and how do you use it. But most important: What does it have to do with CompTIA Sec+? Simply put virtualization is kinda like inception, for pcs. You can install multiple workstation/ servers on one hardware machine, instead of having to buy each … Continue reading Virtualization – CompTIA Security+ Lesson 12

Designing a Secure Network – CompTIA Security+ Lesson 8

This lesson is about security topology of networks. Factor access methods, security and technologies into the physical layer and create a secure network. Primary areas of concern on this topic are the following: Demilitarized zones (DMZs) Subnetting VLANs Remote access NAT Telephony NACs Demilitarized Zones A DMZ is an area where you place public servers … Continue reading Designing a Secure Network – CompTIA Security+ Lesson 8

Mastering TCP/IP Part 2: Transport, Internet and Network Layer – CompTIA Security+ Lesson 6

Last time we looked at the application layer. Today we are going to look at the other layers of TCP/IP and how they help the application layer do its job. Transport Layer This layer is responsible to establish session and datagram communication services for the application layer. It uses mainly TCP and UDP. TCP in … Continue reading Mastering TCP/IP Part 2: Transport, Internet and Network Layer – CompTIA Security+ Lesson 6