Application & Web Security
Websites, applications and APIs handle business operations, customer accounts and sensitive information, making the application layer an important target for cyberattacks.
This resource centre covers secure application development, web vulnerability testing, penetration testing, web application firewalls and defenses against threats such as cross-site scripting.
Application and Web Security Pillar Guide
Begin with our complete guide to protecting websites, software applications, APIs, development pipelines and browser-facing services.
Application and Web Security: The Complete Guide
Understand application-layer threats, OWASP security risks, API protection, software supply-chain weaknesses, security testing methods and the controls needed to build safer applications.
Read the Complete Application and Web Security Guide →Application and Web Security Cluster Pages
Continue with focused guides covering WordPress security, penetration testing, vulnerability assessments, web applications, WAFs, XSS and dynamic security testing.
Latest Application and Web Security Articles
Browse the latest explanations and practical guidance covering web vulnerabilities, secure development, penetration testing and application-layer protection.
Application and Web Security: The Complete Guide
On 21 February 2025, a small number of signers at the crypto exchange Bybit confirmed what appeared to be a…
What is XSS (Cross-site Scripting)? Definition, Types & More
This Article is a part of Application and Web Security Guide What is XSS? XSS (Cross-site Scripting) is a code…
What is a Penetration Test (Pen test)? – Definition, Methods & More
This Article is a part of Application and Web Security Guide Penetration Test Definition A penetration test (pen test) is…
Everything You Need to Know About Gray Box Penetration Testing
This Article is a part of Application and Web Security Guide Most companies don’t think about security until something goes…
WordPress Security Guide 2026
This Article is a part of Application and Web Security Guide When it comes to running a successful website, WordPress…
Pentesting Security Audit: Red Team & Purple Team [2026]
This Article is a part of Application and Web Security Guide Pentesting Security Audit According to IBM’s X-Force Threat Intelligence…
What is Web Application? – Definition, Advantages, And More
This Article is a part of Application and Web Security Guide Definition Web Application A web application is an application…
Difference Between Vulnerability Assessment and Pen Testing
This Article is a part of Application and Web Security Guide Vulnerability Assessment and Pen Testing: Business owners have become…
Basics of Dynamic Application Security Testing [2026]
This Article is a part of Application and Web Security Guide Introduction Dynamic Application Security Testing is a great way…
Evolution of WAFs: Simple Rule Sets to AI-Powered Defenders
This Article is a part of Application and Web Security Guide The Evolution of WAFs Web application firewalls (WAFs) have…
What is Online Penetration Testing? – Definition, Features and More
This Article is a part of Application and Web Security Guide Online Penetration Testing Definition Penetration testing can be defined…