The new Security Core in Plesk 12 combines ModSecurity, Fail2Ban, and Outbound Antispam tools allowing you to deliver server-to-site security out of the box.
With the Plesk 12 Security Core on your servers you get:
ModSecurity is a web application firewall (WAF) designed to help detect and prevent common attacks on web sites and web applications.
Parallels partnered with the industry experts at Atomicorp to integrate their premium ModSecurity rules into all Parallels Plesk 12 editions. Atomicorp’s ModSecurity rules are the oldest, largest, and most widely utilized commercial ModSecurity rules in the industry.
Note: ModSecurity is supported on the Linux OS only. Support for the Windows OS will be added as soon as ModSecurity is supported for IIS by their developers respectively.
Fail2Ban is a service that scans log files and bans IP addresses that exhibit malicious behaviors.
Outbound Antispam protects server IP addresses from being blacklisted due to outgoing spam.