Linux Server Security Guide: Part 3

Network Security
When it comes to network security, your firewall is one of your most important tools. It is generally a good idea to have multiple lines of defense, such as a router-level firewall and also a server-level firewall that is software-based. Usually, you can block most ports with your firewall, and only allow […]

Should You Worry About Malware on Your Server?

Malware is in the news all the time. From high profile cyber attacks on government infrastructure, to viruses that affect millions of home computers, malware is everywhere. As a system administrator, should you be concerned about malware on your dedicated server or virtual private server(VPS)?
First, we should have a clear definition of what malware is. […]

Server End of Year Tasks 2: Scan for Vulnerabilities

As the end of the year approaches, you have probably fallen behind on some of your routine security checks. The holiday season is a busy time for hackers who try to exploit the increased online user activity, especially the activity of holiday shoppers. Sometimes security can cost you money, so it is a good idea […]

Why Frequent Vulnerability Scans Are So Important

Some server system administrators, especially those with little experience, may operate under the mistaken belief that they will find security through obscurity. In their minds, as long as their server is small and not hosting major big-name websites, those with malicious intent will leave them alone.
What these idealists fail to realize is that attackers do […]

OpenVAS Vulnerability Scanner

Even a seasoned system administrator cannot locate every single vulnerability on a dedicated server. From the misconfiguration of services to outdated versions of user-installed scripts, the list of possible vulnerabilities can grow quite long. You could easily spend several hours each day, reading security news reports, scouring logs, testing web applications, and monitoring […]