That is essentially what a VPN does with your data, according to a breakdown from DecodedSecurity. Encryption Is the Real Hero HereEncryption scrambles readable data into a code that only your device and the VPN server can unlock. What a VPN Does Not DoThis is the part many VPN advertisements conveniently skip. The Trust Problem With VPN ProvidersA VPN shifts your trust from your internet provider to the VPN company instead. The distance between you and the VPN server plays a big role here too.