CyberCapture isn't working properly yet (as expected of Avast
).
I would say that Hardened Mode is better protection.
As for what kind of Hardened Mode, I think Moderate is better. Someone correct me if I'm wrong, if I remember correctly, Moderate immediately blocks unknown files, while Aggressive only blocks suspicious files, that is, files that trigger sandbox analysis.
That explanation is correct in some areas and wrong in some.
Hardened Mode: Moderate
Under normal conditions, if avast! decides that some file is too suspicious by various characteristics, it then throws it into the DeepScren for further scanning. But if Moderate Hardened Mode is enabled, avast! automatically blocks files that are detected as suspicious by preliminary analysis.
In most cases DeepScreen checks the file and if it doesn't find obvious malicious problems with it, those files are started automatically after analysis. But Hardened Mode (Moderate) blocks it right there.
Hardened Mode: Aggressive
This mode behaves a bit differently. It actually relies on analysis on a very small scale and mostly relies on a huge whitelist database located in avast! Cloud. If file is located within the cloud and flagged as safe, it will allow to run it. If it's not found or marked as bad, it will block it. So, at least based on my experience, Aggressive Mode is actually much more secure and also a lot less intrusive. Only time that it will cause problems is with some very rare old software or very very new software that isn't used by thousands of users. Usually some very specialized programs used by only few users.
Moderate mode often feels a bit too paranoid (despite its name) because it often blocks safe programs just because they exhibit local suspicious file characteristics that are basically ignored by the Aggressive mode.
Regarding having Hardened Mode and CyberCapture enabled at the same time - there are no issues.
For example, if you have Aggressive Hardened mode enabled, if the file is not in Avast cloud whitelist, it won't be allowed to run meaning CyberCapture wouldn't be invoked.
However, if it's in moderate mode and the file isn't suspicious and not triggered by DeepScreen then CyberCapture will be invoked (assuming the file comes from a http(s) source).