The answer is: it depends on the platform.
I found ESET’s Cybersecurity Pro/Cybersecurity/NOD32 to be cumbersome under MacOS. On network drives and WebDAV volumes, the access to files and documents were excruciatingly slow. Local scan times took an age too. So I had to give up and head over to BitDefender’s Total Security for the Mac. While not quite as complete as it is for Windows, this is by far the best solution for Mac users. It’s fast, unobtrusive and gets the job done, though it is a pity BitDefender Central couldn’t tell the difference between two MacBook Pros. 🙁
The same cannot be said for the Windows version. I’d just taken delivery of part one of my Dell/Alienware order – an Alienware mechanical keyboard (oh so clicky!) and as it features programmable keys and lighting, it triggered a software install. BitDefender, without telling me, falsely declared the software to be malicious and quarantined everything. I could get stuff back from quarantine, but couldn’t whitelist it – so the BitDefender is now gone from my Windows machine. In its place is ESET Internet Security.
Now, on lower end Windows machines, I’ve found ESET’s Endpoint software to be a blight on system resources – especially if you configure regular scans. But on my current quad-core Alienware R3 machine, ESET Internet Security just flies. Scanning is still rather slow, but you can happily leave it running in the background without slowing things down. (Another reason for me to leave the MacBook/Mac arena and go back to the land of the Windows/Linux PC – it’s just too bloody expensive to get a decent and powerful CPU with Apple – trying to get a Mac under budget for work was nearly impossible and I had to limit myself to dual core.)
I do have access to Sophos Home Premium, but the biggest problem I’ve found with that is that it’s controlled almost entirely online. Give me local controls. I’ve found Sophos’ business products to be excellent (especially Intercept X and their Ransomware protection) – but far too costly and complicated for the consumer.