What is SFTP?
SFTP, or Secure File Transfer Protocol, is a secure method for transferring files between computers or servers over a network. Unlike the traditional FTP protocol, which sends data in plain text, SFTP uses encryption to protect data in transit. This makes SFTP a far more secure choice for file transfers, especially in an era where cyber threats are constantly evolving.
How does SFTP work?
SFTP works by combining the core functionality of FTP with the security features of SSH (Secure Shell). SSH is a protocol that encrypts data, ensuring that sensitive information such as usernames, passwords, and the files themselves cannot be intercepted by hackers while being transferred over the internet.
When you use SFTP, all communication between your device and the server is encrypted. This means that no outside party can read the data being sent, even if they manage to intercept the network traffic.
Benefits of using SFTP
- Data encryption: SFTP ensures that all data – from login credentials to the files themselves – is protected with strong encryption, making it much harder for hackers to gain access to your files.
- Protection against unauthorised access: With SFTP, the connection between the client and server is established through a secure channel, protecting against man-in-the-middle attacks where hackers attempt to intercept or alter data during transfer.
- Simple file management: Just like FTP, SFTP allows you to navigate the server, upload and download files, but with the added security that comes with encryption.
- Stable connection: SFTP uses only one connection for both data transfer and commands, unlike FTP, which opens separate channels. This makes SFTP more robust over unstable networks and better suited for file transfers over long distances.
When should you use SFTP?
SFTP is ideal for any business or individual handling sensitive data or working in an environment where data security is critical. This can include:
Transferring confidential documents
- Secure backup of important files
- Collaboration on projects where multiple users have access to the same server
How to get started with SFTP
To use SFTP, you need access to a server that supports the SFTP protocol, as well as an SFTP client such as FileZilla or WinSCP. Once you have set up your connection, all your file transfers will take place securely and encrypted, reducing the risk of data theft.
Ready to upgrade to SFTP?
If you are still using FTP to transfer files, it is worth considering switching to SFTP to ensure your data is protected in transit. We can help you upgrade to SFTP and ensure your file transfers take place in a secure environment. Fill in the form below, or call us on 30 12 42 72 for a no-obligation chat about how we can optimise your data security.
