The connected world: a landscape of potential threats
The good news is that Ubuntu’s out-of-the-box security posture has no open ports by default. What does this mean? Some software, when installed, will allow external access to a system, such as a web server. For a desktop use case, this isn’t necessary, so none of the software installed by default can be accessed from another computer.
While this provides a great starting point, it’s important to understand the implications of any other software you may install.
Understanding the threat landscape
Protecting yourself from threats involves routinely updating your system, carefully considering any software you install, following best practice configurations, and a healthy dose of common sense.
Let’s learn about the three key categories of threats:
- Software vulnerabilities: Bugs that expose vulnerabilities in software that can be exploited.
- Malware: Malicious software, including...
