Chris Dale

Co-founder & Chief Hacking Officer @ River Security

SANS Principal Instructor · SEC504

Continuous penetration testing · Attack surface management · Incident response

"Hack for good, not evil or greed. Seek to understand, not just to solve."

Latest posts

2026-07-07 Coaching Singapore's HTX teams to top-5 finishes at DEF CON 32 ★ What it actually means to coach a CTF team: coordination, challenge triage, and knowing when to sit down and grind the hard ones together.
2022-11-16 Deception concepts: the elements of deception Deception is not just for attackers. Four abstractions (NEDI, NEFI, EEDI, EEFI) to structure defensive deception planning.
2020-05-07 Security misconceptions A SANS@MIC talk on the pits and fallacies we fall into while advising ourselves and others in information security.
2017-10-09 Smart house attack vectors Beyond WPA2 and a firewall: WPS, pre-compromised LAN hosts, evil-maid USB attacks, weak ISP routers, leaked credentials, and sub-GHz radio protocols.
2017-10-04 Case study: breaking into the smartest smart house A live hack of Norway's smartest home for NRK: from the parking lot onto the LAN, through a HomeSeer zero-day, and up to the production controller.
2016-08-27 Cipher and password bruteforcing with OpenSSL A small shell loop to bruteforce unknown OpenSSL cipher and password combinations, plus using Hashcat rules to build the wordlist.