Alex is a social media editor for Early Times. identified that there are exploitable zero-day vulnerabilities in many of the open source protocols and common file formats software used by some of…

Alex is a social media editor for Early Times. identified that there are exploitable zero-day vulnerabilities in many of the open source protocols and common file formats software used by some of the specific industries. To identify vulnerabilities in software, he had sent malformed or random input to the target applications to crash or behave in an unexpected manner to uncover zero-day vulnerabilities and helps security teams in identifying areas where the quality and security of the software need to be improved. Which of the following testing is best suited to uncover zero-day vulnerabilities?