ModSecurity - ModSecurity is an Open Source web application firewall developed by Trustwave's SpiderLabs.
Azure Key Vault - Safeguard cryptographic keys and other secrets used by cloud apps and services with Microsoft Azure Key Vault. Try it now.
AWS WAF - AWS WAF is a web application firewall that helps protect your web applications from common web exploits.
Oracle Advanced Security - Stop would-be attackers and reduce risk of unauthorized data exposure with advanced security database technologies from Oracle. Together, encryption and redaction form the foundation of defense-in-depth, multilayered database security solutions.
Barracuda Web Application Firewall - Barracuda Web Application Firewall offers security and DDoS protection against automated & targeted attacks.
DBHawk - Datasparc features DBHawk, online SQL Tools designed for Oracle, MS SQL Server and other databases.