WAFs work by shielding web sites by applying a set of rules to HTTP conversations to prevent them from being attacked. However, WAF technology is costly and complex to apply because these rules need to be customized to the applications, and they must be updated often to cover changes to the applications and to address new and emerging threats. As a result, many organizations cannot afford to deploy WAFs, or they can only deploy them on a select number of mission critical web properties.
"It can be challenging for companies to use WAFs because initial costs are high compared with other technologies," said
•Real-time application defense, blocking attacks against websites as they happen. •Application hardening, minimizing application attack surfaces by providing a shield around coding defects, application framework flaws, web server bugs and loose configurations. •Low-cost, automated service maintained and updated by
Customers using WAF will experience benefits including:
•Always up-to-date rules. •Immediate rules deployment on all WAFs connected to QualysGuard. •Maximum efficiency as rules are strengthened with security events from all WAF customers. •In-cloud or on-premise web site protection, with a SaaS platform providing centralized management for distributed WAF virtual appliances.
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