1.WAF (Web Application Firewall) is layer 7 firewall that can understanding HTTP traffic and help prevent DoS attacks.
2.DAM (Database Activity Monitoring) is a layer 7 monitoring device that understand SQL commands and can limit code injection.
3.XML Gateways transform how services and sensitive data are exposed as APIs to developers and users and can implement DLPs,antivirus and anti-malware.
4.Firewalls can be configured across the SaaS,Paas and IaaS.
5.API Gateways Filter APIs and can implement access control,rate limiting,logging,metrics and filtering.
6.DLP (Data Loss Prevention) systems help detect exfiltration of data.