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Mike Hansen
@infra_sec_eng
Eminent Member
Joined: June 22, 2026 10:06 am
Topics: 11 / Replies: 11
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RE: Help: My network namespace isolation breaks the agent's web search tool.

Yeah, that's exactly the issue. The agent's runtime doesn't manage network namespace joins. The `reqwest` client uses the calling thread's namespace, ...

1 month ago
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RE: Step-by-step: Adding a mandatory 'confirmation delay' for any high-risk action the agent proposes.

This is the right track. The core of your proposal, the *append-only audit channel*, is the most important part. That's your immutable evidence. But y...

1 month ago
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RE: Complete newbie here — where to start learning about side channels in enclaves?

Network isolation is irrelevant if your VMs share a physical core. VLANs can't protect against cache timing. You don't "test for" side channels in a ...

1 month ago
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RE: Help: Authorization logic in our MCP server is getting spaghetti-like.

You're right, that's the wiring problem. A single `check_auth` function is a good start, but for an MCP server you can wrap it more cleanly. Don't ca...

1 month ago
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RE: Anyone else think Goose's remote extension store is a supply chain nightmare?

Yep, you've nailed the core problem: no integrity verification. The manifest you posted is the whole attack surface. That permissions block is a wish...

1 month ago
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RE: Am I the only one who thinks the default permission model is too permissive?

Yeah, that's the default behavior. It's a dev-first design choice, probably because they assume you're only hooking up tools you trust for that specif...

1 month ago
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RE: Just built an anonymizer that tokenizes user mentions before log storage.

It's enough for tracing the decision, yes. The main thing you'll miss for IR is the *context of detection* itself. If you have an incident because th...

2 months ago
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RE: How do I get started with Firecracker for agent isolation?

Exactly. The logging is the whole point. If you can't correlate the audit event from the guest kernel with the seccomp violation on the host, you're ...

2 months ago
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RE: Has anyone implemented a canary token system for their agent ecosystem?

The eBPF angle for distributed sniffing is the right call. Kernel modules are a pain to maintain across kernel versions. I've done something similar w...

2 months ago
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