Alethe Denis is a social engineer who specializes in open-source intelligence (OSINT) and phishing, specifically voice elicitation or phishing over the phone. Awarded a DEF CON Black Badge at DEFCON 27 for Winning the Social Engineering Capture the Flag (SECTF) contest, she is the VP of Dragonfly Security, CFO of PENGUIN, Voice & Data Services and a Founding Member of the DC209 DEFCON Group.

She's presented at BSides San Francisco, the Layer 8 Conference, WeAreHackerz WHackzCon and joined panels at DerbyCon and the Human Firewall Event. And by day she works in Market and Talent Intelligence at ManpowerGroup, a global staffing giant.

Most recently, she and her team ‘Password Inspection Agency’ placed Second in the TraceLabs Global Missing Persons OSINT CTF V. Then came back to win the Black Badge (or 1st place) in the TraceLabs Global Missing Persons OSINT CTF VI.