Web Application Firewall
A Web Application Firewall (WAF) is a security solution that monitors, filters, and blocks malicious traffic to and from web applications. It protects applications by inspecting HTTP/HTTPS traffic and preventing common attacks like SQL injection, cross-site scripting (XSS), and file inclusion.
Why WAF is Important
- Web applications are a prime target for cyberattacks.
- Traditional firewalls don’t understand application-layer traffic.
- WAFs provide dedicated protection for APIs, websites, and portals against OWASP Top 10 threats.
- Supports regulatory compliance (e.g., PCI-DSS, HIPAA, GDPR).
Core Features of WAF
- Traffic Inspection : Analyzes incoming HTTP/HTTPS requests at the application layer.
- Signature & Behavior-Based Detection : Blocks known and unknown threats.
- Rate Limiting & Bot Protection : Prevents abuse like credential stuffing or DDoS attacks.
- Custom Rules & Whitelisting : Tailors protection to specific applications.
- Logging & Alerting : Real-time visibility into attack attempts.
Deployment Modes
Cloud-based (e.g., AWS WAF, Cloudflare, Akamai) : Scalable and easy to deploy.
On-premises (appliance or software) : Suitable for high-control environments.
Hybrid : Combines both for flexibility and resilience.
On-premises (appliance or software) : Suitable for high-control environments.
Hybrid : Combines both for flexibility and resilience.
Benefits
Shields web applications from critical vulnerabilities.
Reduces risk of data breaches and service disruption.
Improves application uptime, trust, and performance.
Aids in faster incident detection and response.
Helps meet industry compliance and audit requirements.
See Caudate Technologies WAF – Protect Applications. Block Threats Instantly.
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