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Web Application Firewall-WAF

Web Application Firewall (WAF) is  a firewall that filters and blocks that monitors data packets as they travel to and from a website or web application. Web application firewall can be network-based, host-based, or cloud-based. A network device WAF which runs as a server plugin or cloud service inspects every packet and uses a rule base to analyze Layer 7 web application logic and filter potentially malicious traffic that could facilitate web vulnerabilities.

Web Application Firewalls are widely used security controls to protect web systems against zero-day vulnerabilities, malware infections, known and unknown threats and vulnerabilities. WAF can detect and instantly prevent some of the most dangerous web application vulnerabilities that traditional network firewalls and other Intrusion Detection and Prevention System (IDS/IPS) cannot thanks to customized controls. WAFs are beneficial for companies that provide products or services over the Internet, especially in e-commerce shopping, online banking and other interactions between customers or business partners.

Web Application Firewall analyzes Hyper Text Transfer Protocol (HTTP) requests and enforces a set of rules that define which parts of speech are benign and which parts are malicious. The main parts of HTTP conversations that a WAF analyzes are GET and POST demands. GET demands are used to retrieve data from the server and POST requests are used to send data to a server to change its state.

Web Application Firewall can utilizes two approaches or a hybrid combination of the two to analyze and filter content that exists in HTTP requests:

Web Application Firewall is important for a growing number of businesses that provide products over the Internet including online bankers, social media platform providers and mobile app developers. Because it helps prevent data leakage. Many sensitive data such as credit card data and customer records are kept in backend databases accessible via web applications. Attackers often target web applications to access relevant data.

Bilgi Birikim Sistemleri believes that offering the “right solution” to the customer is the greatest value. It has been serving in this field for years aiming to adhere to the determined project budget and complete it on time. In this context, it has performed many successful projects with its competent and experienced personnel. Please let us to contact you so that we can introduce our work and offer you the right solution.

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