Determine Whether a Computer or Mobile Device Is Secured Properly Several steps are required to secure a computer or mobile device properly.In addition to installing antivirus software and updating the virus definitions regularly, you also should install and configure a firewall, keep the operating system up to date, and be careful not to open suspicious email messages, visit unsecure webpages, or download untrusted files while using the Internet.The following steps guide you through the process of making sure your computer or mobile device is secured properly by verifying antivirus software is installed and running, a firewall is enabled and configured, and the operating system is up to date. Verify Antivirus Software
a. Use the search tool in the operating system or scan the programs on the computer or mobile device for antivirus software. Some operating systems include antivirus software.
b. If you are unable to locate antivirus software on the computer or mobile device, obtain an antivirus program and install it.
c. Run the antivirus program.
d. Verify the virus definitions in the antivirus program are up to date. Verify the Firewall a. Use the search tool in the operating system or scan the programs, apps, and settings on the computer or mobile device to access and configure the firewall.
b. If you are unable to locate a firewall on the computer or mobile device, obtain a firewall program and install it.
c. Run the firewall program.
d. View the firewall settings and verify the firewall is turned on.
e. View the list of programs, apps, and features allowed through the firewall. If you do not recognize or use one or more of the programs, apps, or features, remove them from the list of allowed programs, apps, and features.
1. Before you began this exercise, was your computer or mobile device secured properly? How did you know your computer or mobile device was secured properly? If it was not, what actions did you need to perform to secure it?
2. Which programs, apps, and features do you think are safe to allow through your firewall? Which programs, apps, and features do you feel are not safe to allow through your firewall?
3. What additional ways can you properly secure your computer?