An organization decided to harden its security against web-application and web-server attacks. John, a security personnel in the organization, employed a security scanner to automate web…

AlienVault OSSIM is an open-source Security Information and Event Management (SIEM) platform used for log aggregation and security event correlation, not for automated web application vulnerability scanning.

ASyhunt Hybrid is a web application security scanner and fuzzer designed to automate testing for a broad range of web vulnerabilities including cross-site scripting (XSS), SQL injection, directory traversal, command execution attempts, and fault injection. This directly satisfies John's requirement for a single tool that automates web-application security testing and guards against multiple classes of web-application threats simultaneously.

Saleae Logic Analyzer is a hardware device used for capturing and analyzing digital and analog signals in electronic circuits, which has no relevance to web application security testing.

Cisco ASA is a network firewall and VPN appliance that provides perimeter-level network security, not a web application scanner capable of detecting XSS, SQL injection, or directory traversal vulnerabilities.