Jason Haddix

Jason Haddix

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Jason Haddix is an application security and bug bounty expert (former Bugcrowd exec) who shares knowledge on penetration testing and web app security.

Mythos Brings Scalable Security, Not Full VM Replacement
SocialApr 9, 2026

Mythos Brings Scalable Security, Not Full VM Replacement

I’m excited about Mythos. We have been asking for scale in security for years and we are getting glimpses of it. I sincerely doubt it will replace all of vulnerability management or vulnerability research but it probably will do a...

By Jason Haddix
RSA 2026: AI, Agents, and Security Reality Check
SocialApr 2, 2026

RSA 2026: AI, Agents, and Security Reality Check

New Executive Offense: "RSA 2026: Hot Takes on AI, Agents, and Offensive Security Reality Checks" (This one is more a an opinion piece but hope you enjoy it 🫶 ) https://t.co/pMeHfOXfex

By Jason Haddix
Frontier AI API Costs $100‑200 Daily for Power Users
SocialApr 1, 2026

Frontier AI API Costs $100‑200 Daily for Power Users

*things* I'm musing on today: I talked to a *bunch* of friends at frontier AI labs over dinners this last week at RSA. One undertone that kept coming up was that the *max* plans for all frontier labs are not meant...

By Jason Haddix
Prompt Engineering Is the Real Power Behind Agents
SocialMar 31, 2026

Prompt Engineering Is the Real Power Behind Agents

One thing the big leak today proves is how fucking important prompting is to an agent framework. Stop telling people it’s not. Some of the biggest current and yet to be released features are not code but prompts. Meticulously...

By Jason Haddix
Anthropic AI Lacks Open Researcher Verification, Causing Refusals
SocialMar 27, 2026

Anthropic AI Lacks Open Researcher Verification, Causing Refusals

. @AnthropicAI has stated previously that they want to work with the security research community. Other than the fellow program (a paid, exclusive program), where is the sign-up to prove you are a legitimate researcher, verify your identity, and report...

By Jason Haddix
Litellm Breach Pales Beside Worse AI Supply Chain Threats
SocialMar 24, 2026

Litellm Breach Pales Beside Worse AI Supply Chain Threats

the litellm compromise is bad… But you’d 🤮 if you’ve seen some of the stuff in the AI supply chain I’ve seen 🫠

By Jason Haddix
Demand Thorough Evaluations Before Buying AI Security Tools
SocialMar 10, 2026

Demand Thorough Evaluations Before Buying AI Security Tools

RE: Agentic security testing claims Buyer beware. Make vendors provide you evals for their claims. Describe architecture. Prove workflows. Define models and tuning. Cite data sources. Provide references and case studies. Then buy 🤗

By Jason Haddix
Speed Up Pen‑Test Remediation with PlexTrac’s Automated Workflow
SocialFeb 26, 2026

Speed Up Pen‑Test Remediation with PlexTrac’s Automated Workflow

(Sponsor) If pentest reporting takes weeks, remediation stalls.  ⏱️ PlexTrac replaces spreadsheet tracking with a findings-to-fix workflow and exec-ready reporting. See Demo: https://t.co/NuE4kH3FXK https://t.co/DbP8Xmotdx

By Jason Haddix
GraySwanAI Launches Real-World AI Safeguards Challenge
SocialFeb 20, 2026

GraySwanAI Launches Real-World AI Safeguards Challenge

AI safeguards shouldn’t just sound good, they should hold up under pressure. @GraySwanAI is putting them to the test with the Safeguards Challenge: real prompts, real attacks, real failures. Think you can break them (or prove they work)? We will be playing...

By Jason Haddix
Combine Naabu and Nmap for Depth, Simplicity, Speed
SocialFeb 2, 2026

Combine Naabu and Nmap for Depth, Simplicity, Speed

Port scanners ranked after 15+ years: Nmap → depth Naabu → simplicity RustScan → speed Pro tip: naabu -nmap-cli gives you best of both 🔗 https://t.co/8qHOyCzgAg | https://t.co/LFDCFb3Rgg | https://t.co/d56KN90GG9 https://t.co/WGqy7g65sd

By Jason Haddix
CLI‑enabled Agents Risk Identity‑changing Prompt Injections
SocialJan 30, 2026

CLI‑enabled Agents Risk Identity‑changing Prompt Injections

With autonomous agents who have access to the command line, like Claude code and Open Claw, you don't only have to worry about prompt injection that executes commands and operations, but you also have to worry about prompt injection that...

By Jason Haddix
VPS as Reliable Fallback for Browser‑Only Tasks
SocialJan 29, 2026

VPS as Reliable Fallback for Browser‑Only Tasks

Why not a VPS for Molt? In my use cases, research and testing, sometimes fetch and browser tools are blocked by anti-bot tech, or there is some workflow that doesn't have an API.... it's purely browser driven. With cui and...

By Jason Haddix
Gain Real Visibility Over Fast‑Moving Agentic AI
SocialJan 23, 2026

Gain Real Visibility Over Fast‑Moving Agentic AI

Agentic AI is moving fast and most teams lack visibility into what’s actually happening. Meet our sponsor for this weeks newsletter: @harmonicsec ! Harmonic's Security’s MCP Gateway is a lightweight, developer-friendly gateway that gives security teams real visibility...

By Jason Haddix
Claude Extension Serves as Fallback when Browsers Blocked
SocialJan 22, 2026

Claude Extension Serves as Fallback when Browsers Blocked

When you don't have an Skill/MCP, a headless browser is blocked, curl and fetch are blocked... the Claude extension is a slow but serviceable backup.

By Jason Haddix