All posts by thecybersecurityman

PenTest Edition: Sniffing URL Names, Web Traffic, and Passwords With MITMf and Urlsnarf on Your Home Network

In this PenTest Edition, I'll show you how you can examine web traffic on your network using the MITMf and urlsnarf tools. This will give you the ability to the identify what users are browsing on your network by providing you with their URL links. I am running Kali Linux 2018.1 and using the Alfa ...

Your Home Router Could Be Infected – The Destructive VPNFilter Malware Is Worse Than We Thought

According to new research by Cisco Talos and its additional intelligence groups, the VPNFilter malware that was discovered in the previous months is much worse than originally thought. New modules in stage 3 were discovered. Also, the list of known affected devices has expanded, effectively increasing VPNFilter's attack surface. In the days Cisco's first findings ...

This Month in Cybersecurity News [June 2018]

I've been neglectful on posting cybersecurity news lately. To make up for it, here are some of the hot cybersecurity events that occurred this month. The New OnePlus 6 Smartphone - Serious Bootloader Vulnerability The Chinese smartphone manufacturer, OnePlus, just released the all new OnePlus 6 smartphone last month. With its high-end specifications, glass-design, large ...

How to Subnet. Then, How to Subnet the Correct Way Using VLSMs

A "subnet" is nothing more than just a segmented network; In other words, it is a larger network separated into smaller networks. Subnetting offers numerous benefits in terms of performance, security, and management. This discussion focuses on "Classful" subnetting first. Classful subnetting follows a network design of either Class A, Class B, or Class C ...

Transmission Control Protocol (TCP)

"Transmission Control Protocol (TCP)" is defined in RFC 793. Its purpose is to govern the way in which computers exchange data and describe how reliable connections are created between a sending machine and a receiving machine. TCP works together with "Internet Protocol (IP)." Together, the TCP/IP protocol suite make up the rules that define the ...