Tinfoil Security is described as 'provides a simple website application security solution by routinely monitoring and checking for vulnerabilities using a constantly updated scanner'. There are six alternatives to Tinfoil Security, not only websites but also apps for SaaS, Mac, Windows and Linux. The best alternative is Probely, which is free. Other great sites and apps similar to Tinfoil Security are detectify (Paid), McAfee Secure (Paid), Intruder (Paid) and Abbey from Mister Scanner (Freemium).
Detectify is the first company of its kind by automate the cutting-edge knowledge of the best ethical hackers in the world to secure public web applications. Users check web applications against 1500+ known vulnerabilities beyond the OWASP Top 10.
Intruder is a security monitoring platform for internet-facing systems. Intruder provides an easy to use security solution which continually scans your digital assets, highlighting vulnerabilities and outlining remediation advice in simple terms.
Check realtime and continuously for outdated web software on your server. Delivered by mail and an easy to use dashboard and get notified if PHP, Apache, cPanel, Wordpress, Drupal and many more become outdated.