- 2005: UCSB iCTF (14th of 22)
- 2006: SECCDC at Kennesaw State (2nd of 7)
- 2006: CIPHER2 (2nd of 20)
- 2006: DEFCON 14 CTF Quals (9th of 69)
- 2006: DEFCON 14 aCTF 2.0 (1st of 30)
- 2006: UCSB iCTF 2006 (3rd of 25)
- 2007: SECCDC at UNC-Charlotte (?? of 8)
- 2007: CIPHER3 (18th of 25)
- 2007: DEFCON 15 CTF Quals (5th of 150)
- 2007: DEFCON 15 CTF (7th of 8)
- 2007: UCSB iCTF (5th of 36)
- 2007: DC3 Forensics Competition (2nd of 140, 1st Academic)
- 2008: CIPHER4 (19th of 31)
- 2008: DEFCON 16 CTF Quals (11th of 200+)
- 2008: UCSB iCTF (24th of 39)
- 2009: DEFCON 17 CTF Quals (34th of 224)
- 2009: CIPHER5 (19th of 34)
- 2009: HackJam (49th of 100)
- 2009: UCSB iCTF (23rd of 47)
- 2010: Defcon 18 CTF Quals (32nd of 265, competed under 0x28 Thieves)
- 2010: smpCTF 2010 Quals (8th of 196)
- 2010: DEFCON 18 oCTF (4th of ?)
- 2011: GitS (3rd, competed under "leave ret alone")
- 2011: CSAW Quals (15th undergrad / 34th international)
- 2011: CSAW Finals (3-way tie for 3rd)
- 2012: GitS Finals (24th of 95)
- 2012: DefCon 20 CTF Quals (40th of 303)
- 2012: Mitre Stem CTF (2nd place)