Heimdal Threat Prevention scans your Internet traffic and blocks access to harmful websites which might infect your system with malware. If the website that you're trying to access is detected as infected or malicious, the HEIMDAL Agent will block your access to it to keep you safe from malware infections, data exfiltration, and other cyber threats.
If you consider a particular website to be a safe online location, please contact us at https://support.heimdalsecurity.com/hc/en-us/requests/new to notify us and we'll get back to you with a solution.