About Endpoint Detectives Oklahoma-Born, Riding Nationwide
Real Humans. Real Response.
Endpoint Detectives is an Oklahoma City cybersecurity company delivering 24/7 managed detection and response (MDR) to businesses nationwide. We publish our price, and we can answer threats in as little as 15 minutes.
- CrowdStrike Partner
- Response in as little as 15 min
- Nationwide coverage
Who Are Endpoint Detectives?
Endpoint Detectives is headquartered at 720 NE 63rd St, Oklahoma City, Oklahoma. We protect businesses with Endpoint Detection and Response (EDR), a 24/7 Security Operations Center (SOC) and remote incident response.
Our approach is simple: post the price in public and make sure a real person answers every alert, day or night.
On the record
- Endpoint Detectives
- 720 NE 63rd St, Oklahoma City, OK 73105
- Confirmed CrowdStrike partner
- Serving businesses nationwide
- (866) 804-0645
Who Owns Endpoint Detectives?
Endpoint Detectives is owned and run by three Oklahoma IT and security veterans with decades of combined experience.
Andrew Lemon
Co-owner
Andrew Lemon is a co-owner of Endpoint Detectives and the hacker on the team. He also owns Red Threat, an offensive security firm, where he serves as Principal Security Engineer, breaking into networks, buildings and industrial systems so clients find the holes before criminals do. Before Red Threat he was a security engineer at Alias, a cybersecurity analyst at Sonic and a senior network engineer at McAfee & Taft. He has spoken at DEF CON 31, SAINTCON and BSides Oklahoma, and his team won DistrictCon's Most Impactful System award for finding four zero-days in a traffic controller.
Danny J. Slusarchuk
Co-owner
Danny J. Slusarchuk is a co-owner of Endpoint Detectives. He founded Oklahoma City IT firm Standards IT in 2012, which he co-owns with Ryan, and has served in the Oklahoma Army National Guard since 2002.
Ryan Tisserand
Co-owner
Ryan Tisserand is a co-owner of Endpoint Detectives and co-owner of Standards IT, which he joined in 2014 after years as a database administrator and data architect for the Department of Defense, Sonic and healthcare organizations.
What Do We Stand For?
Three rules run the agency. Each one shapes how we price, watch and respond.
Published pricing
$150 per workstation per year, billed annually up front. No hidden fees.
24/7 humans
Real analysts watch your alerts every hour of every day, including holidays.
Response in as little as 15 minutes
Remote incident response is included, not billed by the hour.
Who Is the Marshal?
The Marshal is our badge and our promise: the one you send for when trouble rides into town. The Western look is a nod to our Oklahoma roots. The work behind it is modern detection and response.
Our deputies have names, too. Meet Dead on Arrival, The Lookout, The Ledger and the rest on our MDR services page.
Where to Find Us
Our team works out of Oklahoma City and protects businesses nationwide. See our cybersecurity services in Oklahoma City and cybersecurity services in Tulsa.
Deputize Us
See your annual price, then put the agency on watch.
Born in Oklahoma. Hunting threats everywhere. Real humans. Real response. No corporate runaround. No hidden fees. No mercy for threats.
Last updated: October 28, 2026