Many, though not all, of the private schools offering online programs are religious schools. Some of these schools incorporate scripture into their online program, though others do not, and have no religious requirements for distance learners. Private non-profit schools are often more expensive than other four-year options, so be sure to do your research and find a school that fits with your budget.
Make sure your computer is protected against malware. If you have Windows 8 or 10, you should already have Windows Defender (but make sure it’s on and up-to-date). For further protection, you can pair that with the free version of Malwarebytes. It also doesn’t hurt to install an ad blocker like Ublock Origin (which is what I use in order to block malicious ads before they even get the chance to load – you can always whitelist the sites you trust if you want to support them.