Dispatch
Host-level security changes how developers build AI agents
On enrolled Linux hosts, Phantom Engine can refuse unauthorized commands, files, and destinations even when a prompt is injected. It does not sanitize prompts or replace every app-layer check.
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Vantio Newsroom
Vantio AI, Inc.
Prompt injection still works on the model. Vantio does not claim to detect or rewrite injected instructions. What changes on enrolled Linux hosts is what happens next: if the agent tries an unauthorized command, a protected file, or a destination you already refused, Phantom Engine can stop that move there.
Prompts stay for the task
Developers still spend time writing system prompts. Instructions like "do not execute system commands" remain easy to bypass with injection. Host protection does not remove that work, and it does not mean you can skip Gate on the wrapped path.
What it can remove is the false hope that the prompt is the last control. If an agent on a host you enrolled tries a command or file you already refused, the host can refuse it even when the prompt said yes.
What this does not do
Phantom Engine does not sanitize prompts, inspect vector databases, govern MCP tool calls as a product, or detect every data-exfiltration path everywhere agents run. Coverage is the Linux hosts you enroll, plus Gate on the path you wrap, plus Optics on traffic that hits the wrap.
Read the host-level model on vantio.ai/architecture and the product page at vantio.ai/phantom.