October 29, 2025
Keyloggers
Learn how keyloggers steal sensitive data, their impact on businesses, and how to prevent attacks using endpoint protection, MFA, Protective DNS, and training.
DigiCert Team
Articles by DigiCert Team
October 29, 2025
Insider Threat
Learn how insider threats arise from trusted users, their impact on businesses, and key prevention strategies using policy, culture, analytics, and Protective DNS.
October 28, 2025
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.
October 28, 2025
What Is Fileless Malware? A Guide for Businesses
Learn how fileless malware operates in memory to evade detection, the threats it poses to businesses, and key strategies to detect and prevent these attacks.
October 28, 2025
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.
October 28, 2025
Cross-Site Scripting
Understand cross-site scripting (XSS): how attacks work, real business risks, and proven defenses—validation, encoding, CSP, WAF, and secure development.
October 28, 2025
Ransom DDoS
Discover how ransom DDoS attacks threaten to take services offline for payment and learn key strategies to detect, prevent, and mitigate these extortion threats.
October 28, 2025
Multi-Vector DDoS Attacks
Learn how multi-vector DDoS attacks combine multiple methods to overwhelm networks and discover advanced strategies to detect, mitigate, and prevent them.
October 28, 2025
IP NULL DDoS Attacks
Discover how IP NULL DDoS attacks exploit network protocol flaws, disrupt critical systems, and learn key strategies to detect, mitigate, and prevent them.
October 28, 2025
High Orbit Ion Cannon
Learn how the High Orbit Ion Cannon (HOIC) DDoS tool works, its impact on businesses, and key strategies to prevent and mitigate cyber attacks effectively.
October 24, 2025
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.
October 24, 2025
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.