The bottom line is there's absolutely nothing wrong with these companies offering alternatives to existing services, especially if it gets people actively thinking about keeping themselves secure. It's just that in terms of malware protection you're probably already protected by Google — or just by common sense. Don't click on suspect links in unsolicited emails or text messages. Don't install an app that mysteriously downloaded itself to your phone or tablet. Only use reputable app stores like Google Play or the Amazon Appstore.