SiteLock Services Website Security: Protect your site from hackers, vulnerabilities, spam, spyware, viruses and more. SiteLock scans your website daily and detects online threats. TrueShield (CDN): Protect your website from malicious traffic and speed up your site with a content delivery network (CDN). A SiteLock Website Security plan is required to add TrueShield services. PCI Scanning: If your site accepts credit cards, you need to pass periodic PCI scans. We offer a PCI scanning solution. A SiteLock Website Security plan is required to add PCI scanning services. The following are SiteLock services associated with this Account You do not have any active SiteLock services.