It is (one of the best), for non-enterprise users.
The situation is more complex in the enterprise environment. However, Xcitium can still be as reliable as most EDR products.
[URL unfurl="true"]https://www.gartner.com/reviews/market/endpoint-protection-platforms/vendor/xcitium/product/xcitium-platform[/URL]
One thing must be remembered when using CIS containment. Files that look benign in the Comodo sandbox, can still behave as malware when run without containment (added to the ignored group).