John Cunniff John Cunniff is an aspiring security expert that currently attends NYU's Tandon School of Engineering for Computer Science. He is a member of the OSIRIS cybersecurity lab and NYU's CTF (capture the flag) team NYUSEC where he specializes in web challenges. John has worked at Cisco Umbrella since mid-2019 as a software engineer on the Applied Research team. At Cisco, John has specialized in engineering tools and mechanisms that have empowered the team to be industry leaders in DNS security.