Brian Tant

Brian brings to Raxis a rich and varied background in Information Technology spanning more than 20 years. Sought after by clients for his unique blend of business acumen and technical prowess, Brian has consistently delivered value to hundreds of organizations spanning the globe throughout his career. Brian is Raxis’ CTO and currently leads the Raxis Penetration Testing and Social Engineering team.

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The Exploit: Penetration Testing Insights From The Frontlines

The Exploit articles written by Brian Tant

  • Lessons from the DaVita Healthcare Ransomware Attack
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    Lessons from the DaVita Healthcare Ransomware Attack

     By Brian Tant The DaVita ransomware attack is one of the most impactful recent healthcare breaches. Learn what happened and what could have been done to limit the impact. September 18, 2025
  • Raspberry Pi
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    Raspberry Pi Planted in Failed ATM Heist

     By Brian Tant Raxis CTO Brian Tant discusses the Raspberry Pi used in a recent ATM heist and how Raxis uses the same type of device in our pentesting. August 14, 2025
  • Raxis Team DefCon 2025
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    Raxis at DefCon 2025

     By Brian Tant DefCon 33 has come and gone, and the Raxis team was there keeping up with cutting edge exploits for penetration tests, phishing, and PSE. August 11, 2025
  • Raxis Team at DefCon 32
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    Tips to Stay Secure at DefCon 2024

     By Brian Tant The Raxis pentesting team is at DefCon in Vegas this weekend. It’s an awesome conference that has lessons and contests for everything from lock picking and car hacking to new network and application exploits that our team may try on your next penetration test. For those of you who may not have attended before (or… August 9, 2024
  • Cyber Attack Disrupts Car Dealerships
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    Ongoing Cyber Attack Disrupts Car Dealerships

     By Brian Tant Wednesday thousands of car dealerships across North America experienced a cyberattack resulting in widespread outages and significant operational degradation. June 21, 2024
  • Password Length: More than Just a Question of Compliance
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    Password Length: More than Just a Question of Compliance

     By Brian Tant Password length requirements are a key part of password security, but, with PCI, NIST, OWASP, and CIS offering different recommendations, what length is best? June 4, 2024