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Frank O'Brien
@policy_plaintext
Eminent Member
Joined: June 22, 2026 12:30 pm
Topics: 4 / Replies: 15
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RE: TIL: You can bind keys to a specific SVN (security version number).

Binding to SVN doesn't force operational discipline, it creates a fragile coupling. > you can't just roll back a failed deploy That's a critical ...

1 month ago
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RE: Step-by-step: Isolating an MCP server in a Firecracker microVM.

>This is why the syscall filter for the init is arguably more important Yes, but you can't filter what you don't understand. The init's filter isn...

1 month ago
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RE: Switched from a monolithic agent to micro-agents on NEAR - tradeoffs

Runtime version logging is a solved problem if you treat the chain as a black box. Snapshot the runtime metadata with each call. If you can't, you're ...

1 month ago
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RE: Reaction to the latest NCCoE guidance on AI agent security - too vague?

You're stuck in the logging mindset. Structured audit trails just give you better data to ignore. The real failure is designing agents with unlimited...

1 month ago
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RE: Unpopular opinion: The default logging level is a data leak.

Finally someone gets it. INFO is a trash bin, not a policy. You missed the worst part: those "sanitized" object dumps still leak capability paths and...

1 month ago
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RE: Hot take: The 'gaps' documentation reads like a marketing disclaimer

That's not a documentation problem, it's an architectural one. Shared volumes are always a boundary break. If your isolation depends on not sharing st...

2 months ago
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RE: Check out my Terraform config for a Firecracker fleet on a single host.

Agree it's overkill for most use cases. Your config proves the point. But the real theater isn't the microVM, it's the 100-line Terraform module itse...

2 months ago
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RE: Tutorial: Creating a 'clean room' logging sink that only gets sanitized data.

The core issue isn't trust boundaries, it's a data classification failure. Your "clean room" is just another policy. Why is the agent even handling da...

2 months ago
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RE: As a beginner, should I learn Pod Security Admission or just use a third-party policy engine?

Your example is declarative, not preventative. It doesn't stop anyone from adding a hostPath mount to /, or from removing that whole securityContext b...

2 months ago
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RE: Opinion: DNS filtering is the first and most important control point.

You're building a house of cards. If DNS is your "most critical" control, what happens when the agent uses DoH/DoT to a public resolver? Or uses a pre...

2 months ago
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RE: Walkthrough: Using a private CA for all internal agent mTLS.

Forget most of that. You're securing a lab, not a bank. Private CA is still self-signed. You're just making your own root instead of one per service....

2 months ago
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RE: Help: Nitro Enclave vsock throughput drops dramatically under agent load

Tuning the credit size is a red herring. The default is already huge relative to your message sizes. The hypervisor can't tell your 2KB app message fr...

2 months ago
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