Exploring TCP/IP Ports
Ports allow computers to send data out the door while simultaneously identifying that data by category. What this means is
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Hexadecimal vs. Binary
Understanding hexadecimal and binary conversion is an important skill to have for the exam. In the real world, for most
Read moreIP Subnetting
Subnetting is the logical breakdown of a network address space into progressively smaller subnetworks. That’s it. Stop thinking and take
Read moreDissecting the TCP/IP Suite
Complementary to the OSI model is the TCP/IP protocol suite. TCP/IP is not necessarily a direct offshoot, but it’s a
Read moreWorking with the Open Systems Interconnection Model
No network discussion or network device explanation would be complete without a brief overview of the Open Systems Interconnection (OSI)
Read moreExploring Network Topologies
Network topologies represent the physical side of the network, and they form part of the foundation of our overall system.
Read moreVulnerability Research and Tools
`An important part of your toolkit as an ethical hacker will be the information gathered from vulnerability research. This process
Read moreHacking Methodologies
A hacking methodology refers to the step-by-step approach used by an aggressor to attack a target such as a computer
Read moreDelivering the internet to Africa
More than half the population of Africa cannot access the internet, but this is changing thanks to mobile networks and
Read moreHow it works: 3D touchscreens
Heavily inspired by graffiti spray art, a team of researchers at the University of Bristol have developed a special spray
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