What does trout sniffer mean?

"Trout sniffer" is a slang term used in the hacking community to refer to someone who is skilled at detecting and identifying security vulnerabilities or weaknesses in computer systems or networks. This term is often used in a derogatory manner to describe individuals who engage in unauthorized or malicious activities related to cybersecurity. In the context of cybersecurity, being labeled a "trout sniffer" suggests a level of expertise in uncovering potential threats and exploiting them for personal gain or mischief.