Tech Musings

Aug 31, 2026 · Cloud Native

Securing DeepSeek Harness in Multi-Tenant Containers: Removing Filesystem Plugins to Reduce Attack Surface

The author details removing filesystem tool plugins from DeepSeek Harness (DSH) to secure multi-tenant container deployments, covering plugin architecture, overlay-based disabling, impact on 6 tools, real-model attack testing showing bash as a residual channel mitigated by sandbox fail-closed behavior, and resource metrics showing negligible savings.