@Lisalotte -- do I need both?
You definitely need some anti-virus program; either the "Windows Defender" software included in Windows 10, or the free-to-Shaw-customers McAfee anti-virus software, because the BlueCurve security does not thoroughly scan "attachments" (such as malicious content embedded inside a Word document inside a ZIP'd or RAR'd file).
I am not familiar with the capabilities, or the need, for the BlueCurve Security option.
