# John Strand

> Founder, Black Hills Information Security & Active Countermeasures.

Strand runs one of the best-known pentesting and threat hunting firms in the U.S., and his 'pay what you can' training model has helped democratize access to security education for thousands of practitioners.

- **Category:** [Influencers & Voices](https://gracker.ai/cyber-resources/influencers)
- **Website:** https://www.blackhillsinfosec.com
- **Location:** Spearfish, SD, USA
- **Company:** Black Hills Information Security / Active Countermeasures
- **Title:** Founder
- **Verified:** Yes
- **Last updated:** April 21, 2026

## Expertise

- Penetration testing
- Active defense
- Threat hunting
- Security training
- Adversary emulation

## Frequently asked questions

### Who is John Strand?

John Strand is founder of Black Hills Information Security and Active Countermeasures. He is a senior SANS instructor and widely regarded mentor in the offensive and defensive security communities.

### What is John Strand's current role?

John Strand is Founder at Black Hills Information Security / Active Countermeasures.

### What is John Strand known for?

John Strand focuses on Penetration testing, Active defense, Threat hunting, Security training, Adversary emulation.

### Where is John Strand based?

John Strand is based in Spearfish, SD, USA.

### What is John Strand listed under on Cyber Resources?

John Strand is listed in the Influencers & Voices category of Cyber Resources, the curated directory of the cybersecurity marketing and growth ecosystem.