From the course: Linux Hardening

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Minimizing the OS attack surface, part one

Minimizing the OS attack surface, part one - Linux Tutorial

From the course: Linux Hardening

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Minimizing the OS attack surface, part one

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Hello, and welcome to Cybrary's Linux Hardening course and part one of minimizing the OS attack surface. I'm your instructor, Corey Holzer. This lesson has three objectives that we're going to cover. First, we're going to explain the importance of regular patching. And I will explain to you how and why to uninstall unused packages. Finally, I'll explain how and why to disable firewire ports. Patching is a basic part of securing an operating system. It's so important that canonical default message tells users how many packages have to be updated as part of their initial login. I'll touch more on this later. But from a security perspective, providing this information to users who are not administrators reveals too much information about the systems on the network. Therefore, I think you should consider changing the banner for regular users. For easier administration, canonical provides an automated update process. Consider installing this unless the server has requirements that an…

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