Important: If you install software without the Software Installation Mode when Integrity
Checking monitors updated files, you may be unable to install or use the new software. For
example, Integrity Checking may prevent a kernel update from booting properly as new
drivers are not in the baseline.
Baseline
Integrity Checking is set up by creating a baseline of the system files that you want to protect.
A default set of system files is added to the Known Files List during the installation. By default,
Kernel Module Verification is enabled during the installation and the baseline is generated from
the Known Files List. If you do not enable the Kernel Module Verification during the installation,
you have to generate the baseline manually before Integrity Checking is enabled.
All files that are added to the baseline during the installation are set to Allow and Alert protection
mode.
Note: The default list of known files is generated upon installation, and contains the most
important system files. The list of files differs between distributions. Run
/opt/f-secure/fsav/bin/fslistfiles to retrieve the exact list of files.
Scanning for Viruses
The product stops viruses and other malware.
What are Viruses and Other Malware?
Malware are programs specifically designed to damage the computer, use the computer for
illegal purposes without users knowledge or steal information from the computer.
Malware can:
• take control over the web browser,
• redirect the web search attempts,
• show unwanted advertising,
• keep track on the visited web sites,
• steal personal information such as your banking information,
• use the computer to send spam, and
• use the computer to attack other computers.
Malware programs can also cause the computer to become slow and unstable.
F-Secure Linux Security | Using the Product | 37
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