Modern cybersecurity through cutting-edge training and world-class consulting: offensive security, bug bounty, red team operations, and AI for security practitioners.






















































































Live instructor-led and on-demand courses covering offensive security, bug bounty hunting, red team operations, and AI for security practitioners. Modern, cutting-edge, and revised to match the latest tech and tactics.

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No expert bait-and-switch. Every engagement is delivered by world-class researchers, handpicked for your project and led by Jason. Consistent, high-quality consulting from start to finish.
Deep, methodology-driven testing of your web apps by hunters from the top of the bug bounty leaderboards.
Your internet-facing perimeter, assessed the way real attackers approach it, recon first.
Start inside. Measure blast radius, lateral movement, and detection response from a foothold.
LLM apps, agents, and pipelines, tested against prompt injection, jailbreaks, and the OWASP LLM Top 10.
We help your security org adopt AI: workflow analysis, tooling, and augmentation roadmaps.
Full-scope adversary emulation, phishing to objective. Modern initial access via file and credential-capture phishing, dependency confusion and hijacking, plus dark-web credential harvesting for stuffing.
Collaborative, side-by-side testing that tunes your detection and response across real attack scenarios, elevating both teams at once.
Thorough testing of your airspace for rogue access, misconfigurations, and exploitable weaknesses across your wireless footprint.
Comprehensive mapping of your external attack surface, surfacing unknown assets and hidden exposures before attackers find them.
Deep, methodology-driven testing of your iOS and Android apps and the APIs behind them.
Security program and CISO advisory from someone who's been the hacker, the defender, and the executive. Modern, practical, and rooted in real operator experience.
Scoping, methodology receipts, and how the A-Team model works end to end.
World-class content across every channel: newsletter, YouTube, Discord, live events, and open source research. Be part of the narrative.
Purpose-built AI assistants, open research, and a newsletter read by thousands of practitioners. Kick the tires before you spend a dollar.
Ten free AI security assistants for offense, detection, and ops, plus curated reference libraries like the AI Security Resource Hub. No signup, no catch.
The open taxonomy of prompt injection attacks: intents, techniques, evasions, and inputs, maintained by the Arcanum team.
Arcanum's newsletter: methodology drops, tooling, and offensive AI tradecraft.
“Having dedicated years to the cybersecurity community, it was time for a new journey. At Arcanum, our mission is a tangible impact on the security community: world-class, modern, accessible training, and consulting that disrupts the industry's bait-and-switch model.”
Content, consulting, and training that leaves a tangible positive impact. Reach out to learn more.