# R2 Copilot Journal > Articles about private AI, security and governance. Optional agent navigation; not an indexing or ranking guarantee. ## Articles - [Private LLM Hosting: What Security Teams Need to Check](https://blog.r2copilot.ai/articles/private-llm-hosting-what-security-teams-need-to-check/index.md): Assess private LLM hosting through network access, processing location, retained data and pilot evidence before your team approves a sensitive AI workflow. - [Enterprise AI Governance: Make Security Rules Work](https://blog.r2copilot.ai/articles/enterprise-ai-governance-make-security-rules-work/index.md): Build a practical process for safe employee AI use: define approved tasks, restrict action rights, assign reviewers and reassess controls when workflows change. - [Private AI Document Review: Verify Before You Rely on It](https://blog.r2copilot.ai/articles/private-ai-document-review-verify-before-you-rely-on-it/index.md): Check AI document analysis against the original clauses, restore missing conditions and record unresolved questions before relying on a confidential summary. - [AI Vendor Assessment: Compare Evidence Before You Buy](https://blog.r2copilot.ai/articles/ai-vendor-assessment-compare-evidence-before-you-buy/index.md): Compare AI suppliers using common requirements, dated evidence and contract terms. Identify unresolved security gaps and the operating costs behind each option.