A high-level security scan that uses automated tools to identify common vulnerabilities within running web applications or web services without the
need for source code.
DAST(Dynamic Application Security Testing) is a security testing methodology in which an application is tested from the outside in by examining an application in its running state and trying to attack it just like an attacker would.
How it works:
DAST scanners first crawl a web application before scanning it. This step finds all exposed inputs on pages within the web application, which are then subsequently tested for a range of vulnerabilities.
SAST (Static Application Security Testing) is a white-box testing methodology which tests the application from the inside out by examining its source code for conditions that indicate a security vulnerability might be present.
Advantage and Disadvantages:
Technology Coverage:
SAST scanners need to not only support the language (PHP, C#/ASP.NET, Java, Python, etc.), but it must also have support for the specific web application framework being used. This means that if your SAST scanner does not have support for a language or framework you are using, you may hit a brick wall when testing your applications.
Things are different with DAST, because DAST scanners are, for the most part, technology independent. This is because DAST scanners interact with an application from the outside-in and rely on HTTP as a "lingua-franca" across a myriad of programming languages, off-the shelf, and even custom-built frameworks.
Code Coverage:
DAST scanners first crawl a web application before scanning it. This step finds all exposed inputs on pages within the web application, which are then subsequently tested for a range of vulnerabilities.
SAST scanners have an advantage when it comes to code coverage since the scanner has access to the application code, meaning that it knows about all the application's inputs, including hidden inputs that are not exposed.
False POsitives:
DAST, in comparison to SAST, is less prone to reporting false positives
RASP- Runtime Application Self Protection
An active attack is a network exploit in which a hacker attempts to make changes to data on the target or data en route to the target.
Passive attacks in which an unauthorized party monitors networks and sometimes scans for open ports and vulnerabilities. The purpose is to gain information about the target and no data is changed.
need for source code.
DAST(Dynamic Application Security Testing) is a security testing methodology in which an application is tested from the outside in by examining an application in its running state and trying to attack it just like an attacker would.
How it works:
DAST scanners first crawl a web application before scanning it. This step finds all exposed inputs on pages within the web application, which are then subsequently tested for a range of vulnerabilities.
SAST (Static Application Security Testing) is a white-box testing methodology which tests the application from the inside out by examining its source code for conditions that indicate a security vulnerability might be present.
Advantage and Disadvantages:
Technology Coverage:
SAST scanners need to not only support the language (PHP, C#/ASP.NET, Java, Python, etc.), but it must also have support for the specific web application framework being used. This means that if your SAST scanner does not have support for a language or framework you are using, you may hit a brick wall when testing your applications.
Things are different with DAST, because DAST scanners are, for the most part, technology independent. This is because DAST scanners interact with an application from the outside-in and rely on HTTP as a "lingua-franca" across a myriad of programming languages, off-the shelf, and even custom-built frameworks.
Code Coverage:
DAST scanners first crawl a web application before scanning it. This step finds all exposed inputs on pages within the web application, which are then subsequently tested for a range of vulnerabilities.
SAST scanners have an advantage when it comes to code coverage since the scanner has access to the application code, meaning that it knows about all the application's inputs, including hidden inputs that are not exposed.
False POsitives:
DAST, in comparison to SAST, is less prone to reporting false positives
RASP- Runtime Application Self Protection
An active attack is a network exploit in which a hacker attempts to make changes to data on the target or data en route to the target.
Passive attacks in which an unauthorized party monitors networks and sometimes scans for open ports and vulnerabilities. The purpose is to gain information about the target and no data is changed.
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