HoHoCon

{{primary sources|date=September 2011}}

HoHoCon (or XmasCon) was a conference series which took place shortly before or after Christmas in Houston, Texas, sponsored by Drunkfux and the hacker ezine Cult of the Dead Cow. The fourth and fifth HoHoCons were also sponsored by Phrack magazine and took place in Austin, Texas. Phreaking software BlueBEEP was released at HoHoCon '93.

HoHoCon is generally credited as being the first "modern" hacker con,{{cite book | author = Raveesh Mayya.K | date = 2012 | title = BLITZ-THE IT QUIZ BOOK | publisher = Sapna Book House (P) Ltd. | pages = | isbn = 9788128005800 | url = https://books.google.com/books?id=yKSEAwAAQBAJ&pg=PT334}} although Summercon was around before it. It inspired later conventions such as DEF CON and HOPE.{{cn|date=July 2014}}

All together, there were five conferences.{{cite book | author = Joseph Menn | date = 2019 | title = Cult of the Dead Cow: How the Original Hacking Supergroup Might Just Save the World | publisher = Hachette UK | pages = | isbn = 978-1-5417-6237-4 | url = https://books.google.com/books?id=x0RzDwAAQBAJ&pg=PT41}}