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  3. CIS Microsoft SharePoint 2019 OS V1.0.0
  4. Ensure ‘Blocked File Types’ is configured to match the enterprise blacklist

Ensure ‘Blocked File Types’ is configured to match the enterprise blacklist

Details

A common tactic of malware is to identify the type of malicious code protection software

running on the system and deactivate it. Malicious code includes viruses, worms, Trojan

horses, and Spyware.

Rationale:

Malicious code protection software must be protected to prevent a non-privileged user or

malicious piece of software from disabling the protection mechanism.

NOTE: Nessus has provided the target output to assist in reviewing the benchmark to ensure target compliance.

Solution

Navigate to Central Administration.

1. Click Security, and then click Define blocked file types.
2. To change the web application, click the link next to Web Application: and then click Change Web Application.
3. In the Select Web Application dialog, click an app.
4. On the Blocked File Types page to add a file to block, type a file extension (with the period), one per line.
5. Add all file types listed in the enterprise blacklist.
6. Repeat check for each web application.

Supportive Information

The following resource is also helpful.

This security hardening control applies to the following category of controls within NIST 800-53: System and Communications Protection.This control applies to the following type of system Windows.

References

Source

Updated on July 16, 2022
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