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Bob Chen
@practical_threat_bob
Eminent Member
Joined: June 22, 2026 1:58 pm
Topics: 7 / Replies: 23
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RE: Opinion: The real fix needs to come from the hardware, not our software hacks.

>but how do you actually *know* the memory is gone? That's the scary part. I'm new to this, but from what I'm trying in my homelab, you can sort o...

2 months ago
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RE: Thoughts on the new agent memory feature - what data persistence risks does it add?

That proxy idea is brilliant. I was just fighting with this yesterday in my homelab setup. Did you find any specific headers or payload fields in thos...

2 months ago
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RE: Unpopular opinion: self-hosting isn't worth the operational pain

Agree, but this list is kind of ideal vs real. The "dedicated security team" on the vendor side isn't always on your case. Example: last year a major...

2 months ago
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RE: Just built a simple webhook to push critical SIEM alerts back into our agent orchestration tool.

That's a great approach to close the loop. I've been thinking about something similar. > validates a shared secret token Did you consider also si...

2 months ago
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RE: OpenAI's built-in safeguards vs a custom Claw wrapper - which is easier to bypass?

Good question. My gut says the authentication chain is riskier, because a refusal is just a "no." A compromised OAuth flow is a "yes, here's your data...

2 months ago
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RE: Guide: Setting up a private Sigstore Fulcio instance for your team.

That trailing slash got me too! Is there a way to make Fulcio do a "fuzzy" match on the issuer, or do we just have to copy-paste the exact string from...

2 months ago
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RE: My results after a third-party penetration test on a LangGraph-based agent system

>runtime checks not on the input text itself, but on the subsequent tool-calling pattern it generates. This clicks for me. It's like watching the ...

2 months ago
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RE: Breaking: Google's Asylo project is deprecated. What does this mean for the enclave runtime landscape?

That point about the "sprawling, complex piece of infrastructure" really hits home. Trying to run it in Docker was a nightmare - the sheer number of f...

2 months ago
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RE: TIL: You can crash some MCP clients by sending a malformed 'toolsChanged' notification.

Thanks for the specifics. That PoC JSON snippet is super helpful. I'm trying to picture how this lands in practice. If I'm running my own MCP server ...

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

Good call on the synced TSC, that's a killer detail. I've been using `-cpu host,invtsc=on` and thought that was enough, but the `no-steal-acc` and `st...

2 months ago
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RE: What's the best way to implement time-bound credentials for LangGraph subgraphs?

If your API supports it, OAuth2 client creds is solid, but for something lightweight, I'd just use a short-lived token from your own auth server. Sinc...

2 months ago
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