Things are probably more complicated than that, though. As a recent survey conducted by market research firm Statista clearly shows, email is one of the most popular apps for mobile devices across most organizations and even consumers. Given how many workflows, business processes, and just plain important communications take place over email, this is one area where you likely shouldn't skimp.
GoDaddy offers its own Website Security, a product that includes automatic malware scanning, continuous security monitoring, Web Application Firewall (WAF), and Content Delivery Network (CDN). Website Security proactively blocks malware and malicious traffic from reaching your site. It also safeguards against Distributed Denial of Service (DDoS) and Zero Day attacks.
You can also purchase Secure Sockets Layer certificates (starting at $69.99 per year), the software that's represented by a green padlock in your web browser when you visit, say, a financial institution's website. If you plan to sell products via your website, consider an SSL certificate an essential purchase, as it safeguards the data exchange between a customer and your servers.