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Web Security Blog
The DAST-first mindset: A CISO’s perspective

The DAST-first mindset: A CISO’s perspective

The level of accuracy and automation of modern DAST platforms allows security leaders to make an outside-in approach the foundation of risk-based application security. Welcome to CISO’s Corner, and le...
Meet the future of AppSec: DAST-first application security

Meet the future of AppSec: DAST-first application security

Being DAST-first means starting application security with validated, real-world testing that prioritizes actual exploitable risks. Invicti’s DAST-first platform leads the way towards integrating all A...
Next.js middleware authorization bypass vulnerability: Are you vulnerable?

Next.js middleware authorization bypass vulnerability: Are you vulnerable?

A critical vulnerability in the Next.js framework, officially disclosed on March 21, 2025, allows attackers to bypass middleware security controls through a simple header manipulation. This post summa...
Top 10 dynamic application security testing (DAST) tools for 2025

Top 10 dynamic application security testing (DAST) tools for 2025

This guide explores the top 10 DAST tools for 2025, highlighting enterprise-grade solutions as well as open-source options. Learn how these tools help detect vulnerabilities, integrate with DevSecOps,...
Missing X-Frame-Options header? You should be using CSP anyway

Missing X-Frame-Options header? You should be using CSP anyway

When clickjacking attacks using iframes first became possible, browser vendors reacted by adding <code>X-Frame-Options</code> as a dedicated security header for controlling page embedding permissions....
First tokens: The Achilles’ heel of LLMs

First tokens: The Achilles’ heel of LLMs

The Assistant Prefill feature available in many LLMs can leave models vulnerable to safety alignment bypasses (aka jailbreaking). This article builds on prior research to investigate the practical asp...
Missing HTTP security headers: Avoidable risk, easy fix

Missing HTTP security headers: Avoidable risk, easy fix

Missing HTTP security headers can leave websites and applications exposed to a variety of attacks. If the browser fails to enforce security measures due to missing security headers, apps can be far mo...
DAST vs. penetration testing: Key similarities and differences

DAST vs. penetration testing: Key similarities and differences

Automated vulnerability scanning with DAST tools and manual penetration testing are two distinct approaches to application security testing. Though the two are closely related and sometimes overlap, t...
What is vulnerability scanning and how do web vulnerability scanners work?

What is vulnerability scanning and how do web vulnerability scanners work?

Vulnerability scanning is a fundamental cybersecurity practice for automating security testing. Especially in application security, it’s crucial to have a good vulnerability scanner that can automatic...
Ducks, dinosaurs, and XSS: A little knowledge is a dangerous thing in security

Ducks, dinosaurs, and XSS: A little knowledge is a dangerous thing in security

Security vulnerabilities are often misunderstood and underestimated. Based on superficial application security knowledge, you might say that cross-site scripting is people putting script tags in form...