Web Application Firewall

November 13, 2025

Vercara WAF Analysis Report – October 2025

UltraWAF processed 1.86T requests in Oct 2025, with 31.6% malicious. Malformed XML attacks surged, and probes, payload obfuscation, and automated scanning continued to evolve.

November 11, 2025

Keep the Grinch Out: Holiday Retail Cyber Threat Risk

DNS security is a frontline defense against cyber threats that target online retailers during the holiday shopping rush.

Zero-Day Vulnerabilities

Zero-day vulnerabilities explained: how attackers exploit unknown flaws—and how to mitigate risk with rapid patching, virtual patching, WAFs, zero-trust, and monitoring.

XML API DoS Attacks

XML API DoS attacks exploit XML parsing flaws to crash apps and drain resources. Learn how to prevent Billion Laughs, XXE, and other XML-layer exploits.

HTTP Cookie Attacks

Learn how HTTP cookie attacks like hijacking and poisoning work, their impact on data security, and key defenses like HTTPS, WAF, and secure cookie attributes.

Cross-Site Request Forgery (CSRF)

Understand CSRF: how forged requests exploit logged-in sessions, the risks, and defenses like anti-CSRF tokens, SameSite cookies, WAF, and re-auth.

Cross-Site Scripting

Understand cross-site scripting (XSS): how attacks work, real business risks, and proven defenses—validation, encoding, CSP, WAF, and secure development.

Content-Type HTTP Header

The Content-Type header defines how data is processed online—but misconfigurations can expose apps to attacks. Learn its role, risks, and WAF protection methods.

Buffer Overflow

Buffer overflows let attackers exploit memory errors to execute malicious code. Learn how they occur, real examples, prevention best practices, and WAF protection.

Server-Side Request Forgery

SSRF lets attackers trick servers into making internal/external requests, exposing data or systems. Learn how it works, real incidents, and layered defenses.

Slowloris Denial of Service Attack

Slowloris quietly cripples web servers by holding many HTTP connections open, exhausting resources with minimal bandwidth. Learn how it works, impact, defenses.

Watering Hole Attack

Learn how watering hole attacks work, real-world examples, and proven strategies to prevent them. Discover DigiCert solutions for advanced cybersecurity protection.

Vercara Resources

Web Application Firewall Resources

Vercara: A Leader in Securing Online Experiences

Webinar: WAAP is Here to Stay: Combining API Protection and Cloud Application Security

Weekly Updates on the Cyber Threat Landscape

Cybersecurity Insights That Are Ahead of the Curve

Weekly Updates on the Cyber Threat Landscape

Cybersecurity Insights That Are Ahead of the Curve

Weekly Updates on the Cyber Threat Landscape

Cybersecurity Insights That Are Ahead of the Curve