5articles

Denis Knjazihhin

Founder and CEO of Dtwo. Over two decades, Denis has taken security and SaaS products from concept to scale: he built Security Cloud Control Firewall Management (formerly Cisco Defense Orchestrator) from the ground up — now managing tens of thousands of devices across thousands of enterprises — and architected the cloud version of Aveksa's identity and access management platform that anchored its acquisition by RSA. He later co-founded Genie Life Sciences, a lab-automation company acquired by Eppendorf in 2024. Today he writes here about securing AI agents in the enterprise.

6 min read

My Claude Guardrails

Claude Code can access our internal systems. Here are the guardrails: the policies that decide what my AI agent can actually reach, all published in our policy catalog.

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Engineering9 min read

Code got cheap. Architecture got iterative.

Cheap implementation moved the work upstream. Every architectural decision is now recorded in the same repo as code. It becomes the context for everything built after it, and gets revised when we turn out to be wrong.