Web Application Firewalls (WAF)
B2B Products/ Services
What is it?
Web Application Firewalls (WAF) are security solutions that protect web applications by filtering and monitoring HTTP/HTTPS traffic between a web application and the internet. WAFs are designed to block malicious traffic and prevent web application attacks such as SQL injection, cross-site scripting (XSS), and other vulnerabilities. Key aspects include threat detection, traffic filtering, and application security. Effective WAFs are essential for protecting web applications from common vulnerabilities and ensuring secure online operations.
How it works?
Companies implement WAFs by first selecting and deploying a firewall that aligns with their web application security needs, such as for threat detection, traffic filtering, or application security. They then focus on monitoring and filtering traffic, blocking malicious activities, and ensuring the security of web applications. Companies maintain threat detection, traffic filtering, and application security in their WAF initiatives, ensuring that web applications are protected and perform securely. WAF efforts are regularly monitored through metrics such as blocked attack attempts, false positive rates, and application performance impact, with adjustments made as needed to optimize performance. The benefits of effective WAFs include protected web applications, blocked malicious traffic, and ensured secure online operations.
What to watch out for?
Key principles of WAF include threat detection, ensuring that the firewall can identify and block malicious traffic aimed at exploiting web application vulnerabilities, such as SQL injection or XSS, through signature-based detection, anomaly detection, or behavioral analysis. Traffic filtering is crucial for controlling the types of traffic that can interact with web applications, whether through IP whitelisting/blacklisting, rate limiting, or content filtering, ensuring that only legitimate traffic is allowed through. Application security is important for protecting the web application itself from attacks, whether through OWASP Top Ten compliance, real-time monitoring, or integration with other security tools, reducing the risk of breaches and ensuring data integrity. It�s also essential to regularly assess the effectiveness of WAFs through metrics such as blocked attack attempts, false positive rates, and application performance impact to ensure they contribute positively to application security.
Suggested services providers
Vendors providing WAF solutions in Asia include Imperva (Global), Cloudflare (Global), Akamai (Global), and F5 Networks (Global). These platforms offer tools for HTTP/HTTPS traffic filtering, threat detection, and web application security.
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