Wordfence - Comprehensive security plugin for WordPress.
ContractWorks - ContractWorks provides secure and easy-to-use contract management software that helps you gain control of your contracts.
iThemes Security - Security plugin that provides over 30+ ways to secure and protect your WordPress site.
Mochadocs - Mochadocs. Creating, Authorizing, Signing and Managing Contracts in one simple solution.
Sucuri - Website Protection, Malware Removal, and Blacklist Prevention
ContractClub - ContractClub helps businesses and professionals manage, negotiate, automate and sign their contracts with software.