Don't access or modify user data without permission of the account owner.

Give us reasonable time to respond before making any information about the security issue public.

Instead, please contact the Dropbox Support team.

Note: Don't use the Bugcrowd service if you're a Dropbox user and you think your account may have been compromised or hacked.Report any potential security bugs and vulnerabilities to us on the third-party service Bugcrowd.If you're a security researcher and you think you've found a vulnerability with Dropbox, do the following: Our responsible disclosure policy promotes the discovery and reporting of security vulnerabilities. Here's a diagram of how the service works: Not using Dropbox yet? See how Dropbox cloud security keeps you safe. Public files are only viewable by people who have a link to the file(s).

If you use two-step verification, you can choose to receive security codes by text message or from an authenticator app.

Two-step verification is available for an extra layer of security at login.

Dropbox applications and infrastructure are regularly tested for security vulnerabilities, and hardened to enhance security and protect against attacks.

SSL/TSL creates a secure tunnel protected by 128-bit or higher Advanced Encryption Standard (AES) encryption.Dropbox uses Secure Sockets Layer (SSL)/Transport Layer Security (TLS) to protect data in transit between Dropbox apps and our servers.Dropbox files at rest are encrypted using 256-bit Advanced Encryption Standard (AES).To keep your files safe, Dropbox is designed with multiple layers of protection, distributed across a scalable, secure infrastructure. Dropbox is a home for all your most valuable files.

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