Tabnine

Tabnine Security Best Practices

Use Tabnine AI code completion safely with these essential security practices. From privacy settings to enterprise deployment.

Verify your app follows these best practices automatically.

Tabnine provides AI code completion with privacy-focused options. These practices help you use Tabnine securely while maximizing productivity.

Quick Wins

Review privacy settings for your tier
Exclude .env files from Tabnine context
Audit recent AI-completed auth code
Check if enterprise tier fits your needs
Configure file exclusions for secrets

Security Best Practices

#1Use Tabnine Enterprise for Sensitive Code

critical

Tabnine Enterprise offers self-hosted models that never send code to external servers.

Implementation

Deploy Tabnine Enterprise for proprietary or regulated codebases

#2Review Privacy Settings

critical

Understand what data Tabnine processes. Configure settings based on your privacy requirements.

Implementation

Check Settings → Privacy, understand data processing for your tier

#3Never Accept Auth Code Blindly

critical

AI completions for authentication code may have security flaws. Always review.

Implementation

Manually verify any auth, crypto, or security-related completions

#4Exclude Sensitive Files

high

Configure Tabnine to exclude credential files and proprietary algorithms.

Implementation

Add exclusions in Settings for .env files and sensitive directories

#5Validate Against Requirements

high

Tabnine doesn't know your security requirements. Verify suggestions meet your standards.

Implementation

Check completions against your security policies before accepting

#6Train Team Models Carefully

medium

If using team models, ensure training data doesn't contain secrets or vulnerabilities.

Implementation

Audit code used for model training, clean sensitive content first

Common Mistakes to Avoid

Using free tier for proprietary code

Why it's dangerous:

Free/Pro tiers may process code in the cloud

How to fix:

Use Tabnine Enterprise with self-hosted models for sensitive code

Accepting security completions without review

Why it's dangerous:

AI may suggest outdated or insecure patterns

How to fix:

Always review auth, crypto, and input handling suggestions

Training models on code with secrets

Why it's dangerous:

Secrets can leak into model suggestions

How to fix:

Clean code before using for model training

Verify Your Tabnine App Security

Following best practices is the first step. Verify your app is actually secure with a comprehensive security scan.

Get Starter Scan

Frequently Asked Questions

Does Tabnine store my code?

It depends on your tier. Tabnine Enterprise with self-hosted models keeps all code local. Check the privacy policy for your specific tier's data handling.

Is Tabnine safe for enterprise?

Tabnine Enterprise is designed for enterprise security with self-hosted models, SSO, and compliance features. It's used by major enterprises for proprietary code.

How do I prevent sensitive code from being used?

Configure exclusions in Tabnine settings for .env files and sensitive directories. For maximum privacy, use Tabnine Enterprise's self-hosted deployment.

Last updated: January 2026