
Cyber Attacks Explained: Packet Crafting
Protect your FOSS-based IT infrastructure from packet crafting by learning more about it. In the previous articles in this series, we explored common infrastructure vulnerability exploitation scenarios. This article takes a step forward…

Cyber Attacks Explained: Web Exploitation
Websites are no longer merely about having an “Internet presence” today, but are also used for commercial transactions and to transfer sensitive data. Such wide usage helps crackers gain more knowledge on vulnerabilities…

Cyber Attacks Explained: DNS Invasions
We often read about defaced websites whose pages get changed to some malicious content. How do hackers do it and how do we protect our infrastructure from them? This article is about how…

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…

Cyber Attacks Explained: DoS and DDoS
With this article, we begin a new series on the major kinds of cyber attacks that weaken the IT security infrastructure within organisations. With the rapid spread of Internet technologies and applications, the…

Chkrootkit — Eliminate the Enemy Within
Last month, we learnt about the technical components that form rootkits. We also discussed why and how rootkits are dangerous, and briefly explored a few detection options. This article continues on the same…

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…

Best Practices in Network Security Monitoring
This article details the best practices organisations can follow to strengthen their network monitoring procedures, and also talks about a few FOSS products that help achieve this. It is imperative for an IT…









