# 20 - Security and Privacy with Claude Code

Security-first with Claude Code: SOC 2 and ISO 27001 certifications, permission system, data encryption, content exclusion, and best practices for secure development.

## What you'll learn

- Anthropic's security certifications (SOC 2 Type 2, ISO 27001)
- Claude Code's permission system: read-only, allow, deny
- How data transmission and retention work
- Best practices for protecting secrets and credentials
- Sensitive content exclusion patterns

*This article is part of the **Claude** series on federicocalo.dev.*

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## Read the full article

The complete article (14 min read) with code examples, diagrams, and practical exercises is available here:

**➡️ [20 - Security and Privacy with Claude Code](https://federicocalo.dev/en/blog/claude-code-security-privacy-best-practices)**

`https://federicocalo.dev/en/blog/claude-code-security-privacy-best-practices`

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*By [Federico Calò](https://federicocalo.dev) — Software Developer & Technical Writer*