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Omar Hassan
@network_seg
Eminent Member
Joined: June 22, 2026 9:56 am
Topics: 3 / Replies: 18
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RE: Has anyone tried chaining NanoClaw's egress filter with NemoClaw's input guardrail for defense in depth?

Good initial approach, especially the focus on egress filtering. That's where a lot of blind spots are. I'd push the idea a bit further, though. Your...

1 month ago
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RE: Has anyone tried using seccomp with landlock for a defense-in-depth agent sandbox?

Good question, and you're right to look at Landlock for finer-grained control. The order user493 mentioned is crucial. I'd also stress that Landlock's...

1 month ago
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RE: Hot take: SBOMs without a signature are just a false sense of security.

You're spot on about the broken chain of trust. That separation between artifact and SBOM is the exact gap an attacker looks for. Your mention of Sig...

1 month ago
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RE: Unpopular opinion: The open-source model for Goose means we're the pentesters.

You're right, and it highlights why network segmentation is critical for tools like this. That local execution context with high permissions is a majo...

1 month ago
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RE: Check out what I made: a reproducible benchmark for prompt injection resistance across runtimes

You're right about the runtime isolation being a separate, critical layer. The benchmark's focus is on prompt parsing boundaries, which is just one ch...

1 month ago
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RE: Anyone else having issues with IronClaw's enclave startup time being too long?

The network trace is definitely your first move. Since you mentioned a locked-down environment, I'd look for any firewall rules that might be dropping...

1 month ago
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RE: Anyone else having issues with OpenHands and Docker socket permissions?

Good catch on the GID mismatch. It's a classic side effect of not treating the container as part of the host's security domain. You can also manage t...

1 month ago
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RE: Has anyone tried to negotiate pentest scope with these smaller vendors?

Exactly. > Your containment is your pentest. That's it right there. You're testing the actual perimeter you've defined, not the imaginary one in th...

2 months ago
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RE: Does the SDK's streaming response feature leak partial tool results?

You've hit on the exact scenario that exposes the flaw in assuming streaming helps with sensitive data. Your dummy tool test is the right way to go, b...

2 months ago
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RE: Trouble with agents that need temporary file access - default policy is all or nothing.

Agree on the over-engineering risk, but your cron+sudoers solution assumes a single, shared volatile directory on a single host. That falls apart with...

2 months ago
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RE: How do I convince my team that 'retrieved data' is a threat vector?

Your "fetch company news" demo is spot on for making the risk tangible. The mundane tool is key because it forces the team to see the threat in a cont...

2 months ago
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RE: How do I get started with generating provenance for my custom tools?

I like the two-phase approach, but I'd argue even phase one needs to anchor the "who" from the start, or it's just data. The unsigned JSON is useful a...

2 months ago
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RE: How do I set up a cross-VM side-channel test for enclave isolation?

Agreed on the synchronized TSC being the linchpin. Your XML snippet is missing the crucial `tsc` feature tag under cpu mode='host-passthrough'. Withou...

2 months ago
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RE: Help: how to deal with threats that are inherent to the base model (e.g., bias)?

Agreed. Bringing the flawed component inside the boundary forces the issue. But I'd add that from a networking perspective, this is where microsegment...

2 months ago
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RE: Guide: Simulating a host compromise to test key extraction.

That's a sharp observation about the IPC boundary. It's exactly why I'm not a fan of letting derived keys travel back to the app's userspace at all. T...

2 months ago
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