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Secret scanning detects Base64-encoded secrets and more — October 2025 – GitHub Changelog

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November 4, 2025 • 2 minute read

Secret scanning detects Base64-encoded secrets and more — October 2025

GitHub secret scanning continually adds support for new secret types. The following updates were made during the month of October.

Base64-encoded secrets: Secret scanning now detects Base64-encoded variants for secret types from third-party cloud providers.
Extended metadata checks: Secret scanning now supports checks for additional context like owner information, creation dates, and organizational details about a secret.
Validity checks: secret scanning adds validity check support for Grafana and Notion.

GitHub secret scanning now detects and prevents obfuscated secrets in Base64 format for secret types from third-party providers.

Provider	Secret type
Alibaba	`alibaba_cloud_access_key_secret`
Amazon AWS	`aws_access_key_id`
Amazon AWS	`aws_secret_access_key`
Amazon AWS	`aws_temporary_access_key_id`
Anthropic	`anthropic_api_key`
Azure	`azure_cache_for_redis_access_key`
Azure	`azure_cosmosdb_key_identifiable`
Azure	`azure_function_key`
Azure	`azure_openai_key`
Azure	`azure_storage_account_key`
Brevo	`sendinblue_api_key`
Databricks	`databricks_access_token`
GitHub Secret Scanning	`secret_scanning_sample_token`
GitLab	`gitlab_access_token`
Google	`google_oauth_client_id`
Google	`google_oauth_client_secret`
Google	`google_oauth_refresh_token`
Groq	`groq_api_key`
Hugging Face	`hf_user_access_token`
JFrog	`jfrog_platform_reference_token`
Twilio	`twilio_account_sid`

Base64-encoded secrets are push protected by default. GitHub will continue to add support for additional types on a rolling basis.

As announced at GitHub Universe 2025, the following secret types now support extended metadata checks.

Provider	Secret type
Adafruit	`adafruit_io_key`
Anthropic	`anthropic_api_key`
Apify	`apify_api_token`
Contentful	`contentful_personal_access_token`
Discord	`discord_bot_token`
Dropbox	`dropbox_access_token`
Dropbox	`dropbox_short_lived_access_token`
Fastly	`fastly_api_token`
Figma	`figma_pat`
GitLab	`gitlab_access_token`
Google	`google_oauth_access_token`
Hugging Face	`hf_user_access_token`
Intercom	`intercom_access_token`
Mailchimp	`mailchimp_api_key`
Mailgun	`mailgun_api_key`
Mailgun	`mailgun_smtp_credential`
Mapbox	`mapbox_secret_access_token`
Notion	`notion_integration_token`
OpenAI	`openai_api_key`
Postman	`postman_api_key`
SendGrid	`sendgrid_api_key`
Slack	`slack_api_token`
Slack	`slack_incoming_webhook_url`
Slack	`slack_workflow_webhook_url`
Stripe	`stripe_api_key`
Stripe	`stripe_test_secret_key`
Tailscale	`tailscale_api_key`
Telegram	`telegram_bot_token`
Terraform Cloud	`terraform_api_token`

The following secret types now include validity checks to confirm whether detected secrets are active.

Provider	Secret type
Grafana	`grafana_cloud_api_token`
Notion	`notion_api_token`

Learn more about secret scanning and see the full list of supported secrets in our product documentation.