
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: 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…

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…

Securing Database Servers
With the ever-expanding data requirements for Web applications, database administrators often configure security parameters at the OS and database layer. Unfortunately, administrators seldom consider implementing security at a network layer to protect the…

Website Vulnerabilities and Nikto
Nikto is an open source Web server vulnerability scanner that performs comprehensive tests for over 6,100 potentially dangerous files/CGIs, checks for outdated versions of over 950 servers, and for version-specific problems on over…








