Glossary > Privacy > Privacy Technologies > Secure Communication Tools

Transport Layer Security (TLS)

Transport Layer Security (TLS) is a protocol that ensures secure communication over a network, like the internet, by encrypting data exchanged between two systems. It protects the privacy and integrity of the information shared between users and websites, making it difficult for unauthorized parties to intercept or tamper with the data.

Example #1

When you visit a secure website (https://), TLS encrypts your login credentials and personal information, such as credit card details, before transmitting them over the internet.

Example #2

Using a secure messaging app that employs TLS encryption to safeguard your conversations from being intercepted by hackers or third parties.

Misuse

Misusing or neglecting TLS can expose sensitive data to cybercriminals. For instance, if a website doesn't implement TLS encryption properly, hackers could eavesdrop on users' login information or financial details when they log in or make purchases. This underscores the importance of ensuring that websites you interact with use TLS to protect your data.

Benefits

One key benefit of TLS is that it prevents unauthorized interception of data transmitted over the internet. For example, without TLS encryption, your usernames, passwords, and other confidential information sent while shopping online could be vulnerable to interception by malicious actors. By using TLS, this sensitive data is shielded from prying eyes.

Conclusion

Transport Layer Security (TLS) plays a crucial role in securing online communications and safeguarding users' privacy by encrypting data exchanged between systems. It is vital for protecting sensitive information shared over the internet and ensuring that users can trust the confidentiality of their online interactions.

Last Modified: 4/30/2024