Bandwidth Throttling with NetEM Network Emulation
NetEM (Network Emulation) provides functionality for testing protocols, by emulating the network properties of wide-area networks. This article describes the use of NetEM in benchmarking the performance of a Web application, simulating Internet-like…
Cyber Attacks Explained: Network Sniffing
In earlier articles in this series, we have explored denial of service attacks and packet spoofing. This month, let us focus on a wider hacking approach called network sniffing, which is very commonly…
Cyber Attacks Explained: Packet Spoofing
Last month, we started this series to cover the important cyber attacks that impact critical IT infrastructure in organisations. The first was the denial-of-service attack, which we discussed in detail. This month, we…
Rootkits: The Enemy Within
While it was assumed in the past that viruses only targeted Windows, hackers targeting the FOSS world proved this wrong. A rootkit on a Linux distribution makes it vulnerable to programmatic and manual…
Learning Nmap: The Basics
Nmap, the network mapping tool, is the starting point when analysing any network. It is an exciting tool — compact and power-packed. This article looks at the range of functions and options it…
Recipes for Networking
It’s always fun to try out different hacks under the GNU/Linux freedom platform. The pride of becoming a command-line wizard makes everyone stay close to the CLI. Moreover, the CLI vests you with the ultimate power to control your machine.





