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In June 2026, three researchers took over AI
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coding agents, Claude Code, Cursor, Codex, without
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phishing anyone, without malware, without ever
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touching a target's machine. All they needed
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was a public credential developers paste into
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their own apps. It worked 85 % of the time. The
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vendor's response, quote, technically not defensible.
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We're not fixing it. Welcome to the new attack
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surface nobody secured. This is tech updates.
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Let's back up. The thing connecting all your
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AI agents to your tools is a standard called
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MCP, the Model Context Protocol. Think of it
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as USBC for AI, one universal connector so any
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model can plug into any tool, any database, any
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service. Anthropic launched it in late 2024,
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and within a year, OpenAI, Google, and Microsoft
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all adopted it. It's genuinely useful. It's why
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your agent can read your tickets, query your
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database, and open pull requests. It's also a
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fresh internet -facing doorway into your systems
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that most teams stood up in a weekend without
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a security review. Here's how bad the hygiene
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is. Researchers at Gnostic scanned the public
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internet for MCP servers, found over 1 ,800,
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and manually checked a sample. Every single one
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they verified, 100 % handed over its full list
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of tools to anyone who asked. No password, no
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authentication. By early 2026, other researchers
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were reporting more than 8 ,000 exposed servers.
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The reason is almost funny. The early MCP spec
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didn't require authentication, and the default
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config binds the admin panel to every network
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interface public from the first second it's deployed.
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Which brings us back to that opening attack It's
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called agent jacking found by a team at tenant
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security the trick a century DSN a write -only
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credential developers literally embed in public
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web pages Let attackers inject fake error messages
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into the logs and AI agent reads The agent couldn't
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tell a poison log from a real one and ran the
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attackers commands with the developers own privileges
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2300 plus organizations had injectable credentials
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sitting in the open. Every step looked legitimate,
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which is exactly why nothing caught it. And the
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vendor declined to fix it. They filtered one
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specific payload string and called it a day.
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Agent jacking isn't a one -off. It's a pattern.
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Layer one, prompt injection, which OWASP now
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ranks as the number one risk to AI applications,
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two editions running. The model can't tell your
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instructions from an attacker's, because they
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ride the same channel. Layer 2. Indirect injection.
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Hide the instructions in a webpage, a PDF, a
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support ticket, an error log, anything the agent
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reads later. Layer 3. The agent ecosystem itself.
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Last winter, thousands of hobby AI agents leaked
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their credentials and chat histories through
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exposed MCP endpoints, and the wake -up call
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was a year ago. At Black Hat 2025, researchers
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showed zero -click attacks pulling entire CRM
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databases out of copilot and Salesforce agents.
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One stat before we move on. Cisco's State of
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AI Security report this year found that 83 %
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of organizations are deploying agentic AI into
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their business. Only 29 % feel ready to secure
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it. Sit with that for a second. That 54 -point
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gap between what we're shipping and what we can
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defend isn't a statistic. It's the attack surface.
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We wired agents into email, code, payments, and
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customer data faster than any technology in history
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and we did it before writing the security playbook.
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So what do you actually do? Four moves. One,
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lease privilege. Scope every agent and every
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tool to the minimum it needs because an over
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-permissioned agent is a breach waiting for a
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prompt. 2. Sandbox the agent's execution and
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put a human in the loop for anything high risk.
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Refunds, deletes, deploys. 3. Put a gateway in
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front of MCP. Broker the traffic. Require authentication.
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Stop broadcasting your tool list to the world.
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4. Treat every agent credential as a non -human
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identity. Inventory it. Scope it. Rotate it.
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Revoke it. We did a whole episode on NHIs. Your
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agents are the fastest growing population of
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them. Let's translate the vendor pitch. They
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say, autonomous agents that run your business.
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Reality, autonomous agents that will also run
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an attacker's business if you let them. They
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say, MCP connects everything. Reality, yes, including
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the parts you didn't mean to expose. They say,
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AI native security built in. Reality, the number
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one AI risk is a sentence an attacker hides in
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a support ticket, and most products still can't
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reliably stop it. The agents are real and genuinely
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useful, the security is a year behind the adoption,
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and the gap is where you'll get hit. Here's the
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close. Every previous platform shift, Cloud,
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mobile, APIs. We secured years after we adopted
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it and paid for the lag and breaches. Agents
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are the same story at 10 times the speed. The
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companies that win the next two years won't be
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the ones with the most agents. They'll be the
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ones who scoped them before something else did.
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That's the show. Forward it to whoever just gave
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an AI agent access to production. Next week,
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Wi -Fi 7 and whether the AI ready branch is real
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or just a radio with a chatbot bolted on. This
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is Tech Updates. Stay sharp.