Josh Devon
@joshdevonai
Security Entrepreneur and Builder. Agent security, governance, and risk. Co-founder and Ex-COO Flashpoint.
What happens when an agent lies to you to get its job done? Prompt filtering is not going to work. We need a new mental model for managing agents focused observing and controlling their behavior, not their prompts or what they're thinking. The A.I. Prompt That Could End the…
Inspirational keynote @joshua_saxe, this slide was the highlight for me and what we need to drive towards as a community
Slides for keynote at @OffensiveAIcon - docs.google.com/presentation/d… - on the roadmap for building robust AI cyber capabilities - really appreciate being invited, thoroughly excited by the energy and talent density of the conference
Honored to be quoted in @ReversingLabs on the Postmark MCP attack. The broader takeaway is beyond just blocking a bad tool. What comes next is a legitimate tool turned into a weapon by a compromised agent. This is a behavioral blind spot in our security stack. It's no longer…
Coding agents are breaking bad in three ways: 💥 Getting hijacked via critical CVEs (Cursor, Claude Code) 💥 “Rage-quitting” and deleting entire codebases (Cursor) 💥 Hallucinating their success and destroying user files (Gemini CLI) With or without MCP, the coding agent itself…
We're riding the wave of our kick-off party into the official first day of #OffensiveAICon! 🌊🏄♀️ >>> Breakfast from 7-8:45 AM >>> Opening notes from the organizers at 8:55 AM >>> Keynote from @joshua_saxe promptly at 9 AM We're so proud to be a part of this community. And…
Super useful and detailed guide to secure agents for life sciences securetrajectories.substack.com/p/ai-security-…
If you'll be at @OffensiveAIcon next week, let me know! Glad to be a sponsor! 🏄
Welcome, Sondera! Thanks for your support for the inaugural Offensive AI Con. 16 days until we see you all in Oceanside! 👏
Karl Mueller posits that what leaders believe about AGI impacts decision making, regardless of what AGI can actually accomplish or enable. Even if a disarming AGI-enabled first strike capability is technically impossible, the fear that an adversary is close to achieving one could…
If only one was found, there are likely more…
🚨 𝗪𝗲'𝘃𝗲 𝘂𝗻𝗰𝗼𝘃𝗲𝗿𝗲𝗱 𝘁𝗵𝗲 𝗳𝗶𝗿𝘀𝘁 𝗺𝗮𝗹𝗶𝗰𝗶𝗼𝘂𝘀 𝗠𝗖𝗣 𝘀𝗲𝗿𝘃𝗲𝗿 𝗶𝗻 𝘁𝗵𝗲 𝘄𝗶𝗹𝗱. It was only a matter of time. The postmark-mcp npm package (1,500+ weekly downloads) has been backdoored since v1.0.16 - silently BCCing every email to the attacker's…
Building an agent? 🤖 Your biggest GTM blocker isn't sales—it's the CISO. After the Notion and ChatGPT agent exploits, security leaders will demand provable governance over your agent. Here's a playbook on how to deliver it and turn security into your biggest competitive…
The Notion and ChatGPT agent exploits are a turning point. ⚠️ Vendor security questionnaires for AI agents are now obsolete. I've outlined the 3 critical questions every CISO needs to ask their vendors to ensure agents are safe to deploy. securetrajectories.substack.com/p/ciso-questio…
Going to be a great event!!
Welcome, Sondera! Thanks for your support for the inaugural Offensive AI Con. 16 days until we see you all in Oceanside! 👏
Would you give an agent your corporate credit card? Google's new Agent Payments Protocol (AP2) means agents can spend your money. For enterprises, the biggest risk isn't fraud--it's a valid payment. AP2 secures the payment, not the business logic, creating a governance gap. A…
Really looking forward to this event!
Come experiment with fellow Philly innovators! On October 25-26, the Philadelphia Open Innovation Tournament will bring together 200 of the city's most ambitious entrepreneurs, technologists, and visionaries for two days of intensive collaboration and breakthrough thinking.…
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