CWIS website antivirus!

Audit your website security and web applications for SQL injection, Cross site scripting and other web vulnerabilities with Acunetix Web Security Scanner. Download Free Edition!

6Scan is a full service security solution for your small business website.

The All In One WordPress Security and Firewall is the ultimate security plugin that will take your website’s security to a whole new level.

Golem Security Scanner is a powerful and intuitive website security scanner which uses a combination of proprietary and open source scanners to maximize the scan findings. Much less expensive for the paid version than other providers, with a free option which scans a portion of the site.