DigiCert Team, Vercara - Page 2 of 23

November 4, 2025

What Is Port 53 and Its DDoS Attack Risk?

Learn how to protect your organization from DNS port 53 DDoS attacks with actionable strategies, including query limits, traffic filtering, and redundant networks. Keep your DNS fast, reliable, and secure under any threat.

November 3, 2025

UltraDDoS Protect DDoS Bot Cluster Analysis

DigiCert’s 2025 DDoS Bot Cluster Analysis reveals how 16M bots operate in synchronized patterns, exposing global threats and defense insights.

November 3, 2025

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.

November 3, 2025

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.

November 3, 2025

Worms

Computer worms self-replicate to spread across networks, causing data loss, slowdowns, and breaches. Learn how to detect, prevent, and stop their spread.

October 31, 2025

Trojan Horse Malware

Learn how Trojan horse malware deceives users, steals data, and disrupts businesses. Understand types, real-world examples, and proven prevention strategies.

October 31, 2025

TCP Floods

TCP floods exploit vulnerabilities in connection protocols to exhaust resources and disrupt networks. Learn how to detect, prevent, and mitigate these DDoS attacks.

October 31, 2025

Spyware

Spyware secretly monitors user activity to steal data, disrupt systems, and harm business operations. Learn how to detect, prevent, and protect against it.

October 31, 2025

Sockstress

Sockstress is a low-and-slow TCP DoS that drains server resources and evades detection. Learn its mechanics and proven defenses to protect uptime and revenue.

October 31, 2025

Scareware

Learn how scareware manipulates users with fake security alerts and how DigiCert UltraDDR Protective DNS blocks these threats before they reach your network.

October 29, 2025

Rootkits

Learn how rootkits infiltrate systems undetected and how DigiCert UltraDDR Protective DNS blocks malicious domains to keep your network secure.

October 29, 2025

Post-Quantum Cryptography

Learn how post-quantum cryptography protects data from quantum threats and how DigiCert UltraSecure helps future-proof your organization’s encryption.

Articles by DigiCert Team

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