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---
title: DAST: Dynamic Application Security Testing Guide 2024 | daily.dev
description: Learn about Dynamic Application Security Testing (DAST) in 2024, including benefits, process, common issues, tools, and future trends. Discover how DAST helps secure web applications and APIs against external threats.
canonical: https://daily.dev/blog/dast-dynamic-application-security-testing-guide-2024/
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og:title: DAST: Dynamic Application Security Testing Guide 2024 | daily.dev
og:description: Learn about Dynamic Application Security Testing (DAST) in 2024, including benefits, process, common issues, tools, and future trends. Discover how DAST helps secure web applications and APIs against external threats.
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article:author: Alex Carter
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twitter:title: DAST: Dynamic Application Security Testing Guide 2024 | daily.dev
twitter:description: Learn about Dynamic Application Security Testing (DAST) in 2024, including benefits, process, common issues, tools, and future trends. Discover how DAST helps secure web applications and APIs against external threats.
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---

Dynamic Application Security Testing (DAST) is a crucial security method that checks running applications for vulnerabilities by simulating real-world attacks. Here's what you need to know:

-   DAST acts like a hacker to find weak spots in live applications
-   It's essential for securing web apps and APIs against external threats
-   DAST can be integrated into DevOps workflows for continuous security testing

Key benefits of DAST:

-   Identifies real-world vulnerabilities
-   Tests applications from an attacker's perspective
-   Helps meet compliance requirements (e.g., [PCI DSS](https://www.pcisecuritystandards.org/), [HIPAA](https://www.hhs.gov/hipaa/index.html))

DAST process:

1.  Plan testing scope
2.  Map application entry points
3.  Simulate attacks to find vulnerabilities
4.  Verify and prioritize identified issues
5.  Generate reports for remediation

Common issues DAST detects:

| Vulnerability | Description |
| --- | --- |
| SQL Injection | Manipulates database queries |
| XSS | Injects malicious scripts into web pages |
| CSRF | Tricks users into unwanted actions |
| Authentication Flaws | Compromises user account security |
| IDOR | Allows unauthorized data access |

While powerful, DAST has limitations:

-   May miss certain internal vulnerabilities
-   Can be time-consuming for large applications
-   Requires careful configuration to avoid false positives

To maximize effectiveness, combine DAST with other testing methods like SAST and manual penetration testing.

## Related video from YouTube

::: @iframe https://www.youtube.com/embed/QwyGC_giqFE

## DAST Basics

### Main Ideas Behind Dynamic Testing

DAST checks running apps for security problems. It works like a hacker, trying to find weak spots from the outside. This method helps find real issues that attackers could use.

### DAST vs. Other Security Tests

Here's how DAST compares to other tests:

| Test Type | What It Does | When It's Used |
| --- | --- | --- |
| DAST | Tests running apps from outside | During development and after launch |
| SAST | Checks source code | Early in development |
| IAST | Tests from inside the app | During development |
| RASP | Protects apps while they run | After launch |

DAST stands out because it acts like a real attacker, making it key for app security.

### Parts of a DAST System

A DAST system has three main parts:

1.  **Scanner**: Sends fake attacks to the app
2.  **Analyzer**: Checks how the app responds to attacks
3.  **Reporter**: Makes a list of found problems and how to fix them

These parts work together to find and report security issues in running apps.

## How DAST Works

### Planning Your DAST

Before starting DAST, make a plan:

1.  Pick which parts of your app to test
2.  Decide how often to test
3.  Choose what kinds of tests to run

Common tests include:

-   Checking logins
-   Making sure data input is safe
-   Seeing how the app handles errors

### Finding and Mapping

DAST starts by looking at all the ways someone could get into your app. This includes:

-   Forms
-   APIs
-   Web addresses (URLs)

The DAST tool uses this info to test for weak spots.

### Looking for Weak Spots

Next, the DAST tool tries to break into your app. It does this by:

1.  Sending bad data to your app
2.  Trying common hacking tricks
3.  Watching how your app responds

### Testing Weak Spots

If the tool finds a possible problem, it checks to make sure it's real. Here's how:

1.  Sends many requests to the app
2.  Changes the data it sends each time
3.  Looks at how the app answers
4.  Figures out how big the problem is

### Writing Up Results

After testing, you get a report. This report:

1.  Lists all the problems found
2.  Tells you how serious each problem is
3.  Gives tips on how to fix the issues

Your team can use this report to make your app safer.

| Step | What Happens | Why It's Important |
| --- | --- | --- |
| Plan | Choose what to test | Focuses your efforts |
| Find | Map out app entry points | Shows where hackers might get in |
| Look | Try to break in | Finds possible weak spots |
| Test | Check if problems are real | Confirms actual issues |
| Report | List findings and fixes | Helps team improve security |

## What DAST Can Find

DAST checks running web apps for security problems. It acts like a real attacker to find weak spots. Here's what DAST can spot:

### Common Web App Weak Spots

DAST finds these common issues:

| Issue | What It Is | Why It's Bad |
| --- | --- | --- |
| SQL injection | Sending bad data to mess with databases | Can steal or change data |
| Cross-Site Scripting (XSS) | Putting bad code in web pages | Can steal user info or change sites |
| Cross-Site Request Forgery (CSRF) | Tricking users into doing things they didn't mean to | Can change user data without them knowing |
| Broken authentication | Problems with logins and user sessions | Lets attackers pretend to be other users |
| Insecure Direct Object References (IDOR) | Accessing things users shouldn't be able to | Lets attackers see or change private data |

### API-Specific Issues

DAST also checks APIs for:

-   API keys that aren't hidden well
-   Ways to overload the API with too many requests
-   Data that isn't protected when sent over the internet

### New Threats in 2024

DAST now looks for new problems like:

-   Attacks on cloud systems
-   Tricks using AI to hide from security
-   Problems with Internet of Things (IoT) devices

## DAST Tools in 2024

### Popular DAST Tools

In 2024, several DAST tools help find weak spots in web apps. Here are some top tools:

| Tool | Key Features |
| --- | --- |
| [Intruder](https://www.intruder.io/) | \- Checks for common app weak spots  <br>\- Manages attack surface |
| [Acunetix](https://www.acunetix.com/) | \- Finds over 7,000 weak spots  <br>\- Checks hard-to-scan areas |
| [Rapid7 InsightAppSec](https://www.rapid7.com/products/insightappsec/) | \- Tests apps like a hacker would  <br>\- Helps big companies fix app problems |
| [Qualys WAS](https://www.qualys.com/apps/web-app-scanning/) | \- Scans apps from the cloud  <br>\- Finds issues in running apps and APIs |

### Free vs. Paid DAST Tools

When picking DAST tools, you can choose free or paid options:

| Free Tools | Paid Tools |
| --- | --- |
| \- Good for small tests  <br>\- Basic features  <br>\- Example: [OWASP ZAP](https://www.zaproxy.org/) | \- Better for big companies  <br>\- More features  <br>\- Better help when you need it |

### New DAST Tech in 2024

DAST tools are getting better. Here's what's new:

| New Tech | What It Does |
| --- | --- |
| AI-powered DAST | Uses smart tech to find tricky problems |
| [Cloud-native DAST](https://app.daily.dev/tags/cloud-native) | Works well with cloud apps |
| [DevOps DAST](https://app.daily.dev/tags/devops) | Fits into how teams build and update apps |

These new tools help find and fix app weak spots faster and better.

## Using DAST in Software Development

### Adding DAST to CI/CD

Putting DAST into your software development process helps find weak spots early. Here's how to do it:

1\. **Add DAST to your [CI/CD pipeline](https://daily.dev/blog/cicd-pipeline-feedback-loops-best-practices)**

-   Test every code change for security issues
-   Find and fix problems early
-   Use DAST tool APIs to run tests automatically

2\. **Why it's good**

-   Catches issues sooner
-   Saves time and money on fixes

### Always-On vs. On-Demand DAST

There are two ways to use DAST:

| Type | How it works | Good for |
| --- | --- | --- |
| Always-On | Scans all the time | Full testing |
| On-Demand | Scans when you ask | Flexibility |

Always-On DAST checks more but uses more resources. On-Demand DAST is easier to control.

### Keeping Security Without Slowing Down

People worry DAST might slow down work. Here's how to keep things fast:

1.  Make testing automatic
2.  Use APIs to start scans
3.  Link DAST tools to your CI/CD setup
4.  Fix the worst problems first

This way, you can find and fix issues quickly without holding up your work.

| Tips for Fast DAST | Why it helps |
| --- | --- |
| Automate testing | Saves time |
| Use APIs | Easy to start scans |
| Connect to CI/CD | Tests happen with code changes |
| Focus on big issues | Fix important things first |

## Tips for Better DAST Use

### Creating a Good Testing Plan

To make DAST work well, you need a good plan. Here's how to make one:

| Step | What to Do |
| --- | --- |
| Pick what to test | Choose which parts of your app to check |
| Choose tools | Pick the right DAST tools for your needs |
| Set goals | Decide what problems you want to find |
| Handle false alarms | Plan how to deal with wrong findings |

### Handling Found Issues

When DAST finds problems, here's what to do:

1.  Make a list of the issues
2.  Rank them by how bad they are
3.  Fix the worst ones first
4.  Tell developers how to fix each problem

Use this table to help rank issues:

| How Bad It Is | What It Means |
| --- | --- |
| Very High | Could cause big problems, fix now |
| High | Needs fixing soon |
| Medium | Fix when you can |
| Low | Not urgent, but should be fixed |

### Security and Dev Team Teamwork

Getting security and dev teams to work together is key. Here's how:

| What to Do | Why It Helps |
| --- | --- |
| Use DAST in development | Finds problems early |
| Share DAST results | Helps devs understand security issues |
| Meet regularly | Keeps everyone on the same page |
| Train together | Builds shared knowledge |

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## DAST Drawbacks and Limits

While DAST helps find weak spots in apps, it's not perfect. Here are some things to watch out for:

### Dealing with False Alarms

DAST tools sometimes say there's a problem when there isn't one. This can waste time and make people frustrated.

To fix this:

-   Set up the DAST tool correctly
-   Learn how your app works
-   Check results carefully

### What DAST Might Miss

DAST can't find all problems. It might not catch issues with:

| Area | Examples |
| --- | --- |
| User input | Things that need specific data |
| Complex workflows | Multi-step processes |
| Behind-the-scenes stuff | Login systems, data protection |

To catch more issues:

-   Use other testing tools too
-   Have people check the app as well

### How DAST Can Slow Things Down

DAST takes time and can make app building slower. This happens because DAST needs to:

-   Scan the whole app
-   Check for many different problems
-   Run lots of tests

To keep things moving:

| Tip | How it helps |
| --- | --- |
| Add DAST to your build process | Tests happen automatically |
| Use fast DAST tools | Scans finish quicker |
| Test the most important parts first | Find big problems early |

## DAST and Other Security Tests

### DAST vs. SAST, IAST, and RASP

DAST is one of several ways to test app security. Let's look at how it compares to other methods:

| Method | What it does | Good points | Not so good points |
| --- | --- | --- | --- |
| DAST | Tests running apps like a hacker | Finds real-world problems | Takes time, might miss some issues |
| SAST | Checks code before it runs | Spots issues early | Might miss runtime problems |
| IAST | Mixes DAST and SAST | Gives quick feedback | Uses lots of computer power |
| RASP | Protects apps while they run | Stops attacks as they happen | Can slow apps down |

### Picking the Right Test

To choose the best test, think about:

-   What kind of app you have
-   Where you are in making the app
-   How much time and money you can spend

DAST works well for websites and APIs. SAST is better for phone apps and built-in systems. IAST helps when you need fast feedback. RASP is good for stopping attacks right away.

### Using Tests Together

Using more than one test can help find more problems. Here's how:

| Combination | How it helps |
| --- | --- |
| SAST + DAST | Finds code issues early and checks for real attacks |
| IAST + RASP | Gives quick feedback and stops attacks as they happen |

## New DAST Methods for 2024

### AI in DAST

AI is making DAST better in 2024. Here's how:

| AI Feature | What It Does |
| --- | --- |
| Smart testing | Picks important parts to test first |
| Faster scans | Gets results quicker |
| Better accuracy | Finds more real problems |
| Learns from past | Improves over time |
| Handles complex apps | Works with tricky setups |

AI helps DAST tools test apps more fully and find issues that might be missed otherwise.

### Auto-Creating Test Attacks

DAST now makes its own test attacks. This new method:

-   Uses AI to make tests that look like real attacks
-   Finds weak spots regular tests might miss
-   Saves time by making tests on its own

This helps teams test their apps better without spending too much time making tests by hand.

### Testing Cloud Apps

As more apps move to the cloud, DAST has new ways to test them:

| Cloud Testing Feature | Why It's Useful |
| --- | --- |
| Special cloud tools | Find problems specific to cloud apps |
| Checks for [data leaks](https://app.daily.dev/tags/data-leak) | Makes sure private info stays safe |
| Tests app connections | Ensures parts of the app work together |

These new methods help keep cloud apps safe from hackers and data loss.

## DAST and Following Rules

### How DAST Helps Meet Standards

DAST helps companies follow security rules by:

-   Finding weak spots in apps
-   Testing the whole app
-   Checking apps while they run

This makes it easier to follow rules like PCI DSS and HIPAA. DAST can:

-   Test apps often
-   Cost less than manual testing
-   Make reports for rule-checking

| Regulation | How DAST Helps |
| --- | --- |
| PCI DSS | Scans for card data safety |
| HIPAA | Checks health info protection |
| [GDPR](https://gdpr.eu/) | Tests data privacy measures |

### DAST in Different Industries

DAST works for many types of businesses:

| Industry | What DAST Does |
| --- | --- |
| Banks | Keeps money info safe |
| Hospitals | Protects patient records |
| Online Shops | Stops hackers from stealing info |

### Keeping Records for Checks

DAST tools make reports that show:

-   What problems they found
-   Where the problems are
-   How bad each problem is

These reports help when someone checks if you're following the rules. They show:

-   You test your apps often
-   You know about any safety gaps
-   You're ready for rule checks

## What's Next for DAST

### DAST After 2024

DAST will keep getting better after 2024. Here's what to expect:

-   AI will help DAST test apps on its own
-   DAST will find more problems in apps, especially in APIs
-   More people will be able to use DAST tools

### DAST with New Tech

AI and machine learning will make DAST better:

| Improvement | How It Helps |
| --- | --- |
| Better accuracy | Finds more real problems |
| Fewer mistakes | Less time wasted on false alarms |
| More coverage | Checks more parts of the app |
| Automatic tasks | Saves time for testers |

AI can also help suggest how to fix problems it finds.

### DAST vs. Future Threats

As tech changes, new problems will come up. DAST needs to keep up:

-   Test AI-made code
-   Find tricky problems in how apps work
-   Stay ahead of new ways hackers might attack

By using AI, DAST can:

1.  Spot new kinds of attacks
2.  Test apps faster
3.  Keep apps safe from future threats

## Wrap-Up

### Main Points to Remember

This guide has covered the key aspects of Dynamic Application Security Testing (DAST):

| Topic | What We Learned |
| --- | --- |
| Definition | DAST checks running apps for security issues |
| How it works | Acts like a hacker to find weak spots |
| Benefits | Finds real-world problems in apps |
| Limits | Can miss some issues, takes time |
| Use in development | Helps catch problems early |
| Tools | Both free and paid options available |
| New tech | AI is making DAST better and faster |

### Why DAST is Key for Security

DAST plays a big role in keeping apps safe:

-   Finds weak spots hackers could use
-   Tests apps while they're running
-   Works with many types of apps
-   Helps meet security rules

By using DAST, companies can:

-   Lower the risk of attacks
-   Keep important data safe
-   Find and fix problems before hackers do

DAST is a key part of keeping apps secure in today's world of online threats.

## FAQs

### What are the pros and cons of DAST?

DAST has both good and bad points. Here's a quick look:

| Pros | Cons |
| --- | --- |
| Tests like a real hacker | Might miss some hidden problems |
| Finds actual issues in running apps | Takes a while to finish |
| Works on many app types | Can slow down the app being tested |
| Helps follow security rules | Only checks what's visible from outside |

### What is SAST and DAST testing?

SAST and DAST are two ways to check app safety:

| SAST | DAST |
| --- | --- |
| Checks code as it's written | Tests running apps |
| Gives quick feedback to coders | Acts like an outside attacker |
| Finds issues early in development | Finds problems users might see |
| Looks at the app's "insides" | Doesn't see the app's code |

Both SAST and DAST are needed to fully check app safety. SAST helps catch problems early, while DAST finds issues that show up when the app is running.

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