DEF CON

wikipedia:DEF CON

• George Hotz

• USAMO, IMO, PUTNAM), competition programming (ACM, USACO, codejam, topcoder), science fairs (ISEF, STS), or capture the flag (DEFCON, secuinside, GITS)

See also

• Security conferences, CCC, DEF CON, RSA Conference, ShmooCon, Pwn2Own, CCC