File Integrity Monitoring lets you monitor files, folders, registry keys, or registry values for changes.
2 days ago British infosec biz Sophos reckons just under half of malware traffic it saw in the wild during the opening three months of 2021 alone was using Transport Layer Security (TLS) to encrypt both its command-and-control traffic and data exfiltration. The company says that figure is up from 23 per cent of known malware traffic during the whole of 2020. Sophos is constantly monitoring new third-party security products. These are added to the Sophos Central Installer to automatically remove them. If the existing product is not detected or fail to be removed, see Sophos Central: Endpoint installer and the detection of other security software.

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This monitoring helps you comply with security requirements like PCI DSS.
To set up a policy, do as follows:
- Go to Server Protection > Policies.
- Create a File Integrity Monitoring policy or edit the Base Policy.
- Open the policy's Settings tab.
- Select Use File Integrity Monitoring.

By default, we monitor critical Windows system files. You can set up custom monitoring if you want to monitor other locations.
Custom monitoring
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To monitor a location, do as follows.
- Go to Custom monitoring.
- Click Add location.
- In Add location, select the item Type.Note If you select Folder, we monitor the folder and the files in it by default. To monitor only the files in the folder, deselect Monitor changes to the folder as well as the files.Note If you select Registry Key, we monitor the key but not the values in it. You must use the location type Registry Value to monitor values.
You can use variables.
- Click Add or Add Another.
To edit a location already in the list, click its path and update the details.
To delete a location from the list, click the cross on the right.

Monitoring exclusions
To exclude a location from monitoring, do as follows.
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- Go to Monitoring exclusions.
- Click Add exclusion.
- In Add exclusion, select the item Type.Note If you select Folder, you exclude the folder and the files in it.Note If you select Registry Key, you exclude the key and the registry values within it.
You can use variables.
- Click Add or Add Another.
To edit a location already in the list, click its path and update the details.

To delete a location from the list, click the cross on the right.
