Avast VPN has not-so-advanced privacy features and protocols. It uses OpenVPN and L2TP/IPSec protocol for the safe browsing of the customers. It also provides Mimic security protocol which is Avast’s exclusive and is considered an experimental feature. Well, that doesn’t stimulate much confidence. When you purchase a VPN, you want it to be reliable, not experimental. Although, Mimic delivers fast speeds but requires more transparency about its security.
OpenVPN is used as a default protocol across all devices and platforms except macOS and IOS. Apple platforms use the IPSec protocol as an alternative, Although, IPSec is not an unsafe protocol but isn’t as powerful as OpenVPN. Avast uses the best encryption cipher, AES-256, and has a kill switch for safe and secure practices even if the connection drops.
Also, the VPN doesn’t leak any DNS, IP, or WebRTC information. Let’s not forget the fact, that the VPN operates in the Czech Republic (Bad Jurisdiction), which means you won’t be comforted by using Avast SecureLine VPN.