VPNs

 VPNs 

What is a VPN? 

VPN stands for virtual private network. A VPN is a service on a computer that establishes a connection with a remote server. Many people use VPNs for security - purposes as it bypasses their ISP’s servers and provides an encrypted tunnel for traffic to travel through. This stops hackers from intercepting your traffic and reading its contents. 

Encryption 

VPNs encrypt network traffic through a variety of methods. 

    • AES encryption – AES is recognised as the most secure encryption method. It has some varieties with 128-bit, 192-bit, and 256-bit encryption. AES uses significantly less resources and memory that other strong encryption methods. 
    • Public key encryption – this encryption method uses 2 keys to encrypt and decrypt traffic. This encryption method is used in SSL security to encrypt website traffic. 
    • Symmetric encryption – Symmetric encryption uses the same key to encrypt and decrypt traffic. The data is encrypted by scrambling. 
    • TLS – TLS stands for transport layer security. It is an encryption method that encrypts internet traffic such as website to server transmissions. 

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