Is my information secure on Overleaf?
Yes, your files are sent to our servers over a secure channel using 256-bit SSL (Secure Sockets Layer) encryption where supported, the standard for secure Internet network connections.
Overleaf uses Amazon S3 for data storage. The Amazon data-centers have multiple layers of protection, both physical and virtual. For more information please read the Security Overview tab on our Terms of Service page, and you can find more information about Amazon's security at the Amazon Web Services' website.