NordVPN employs strong AES-256 encryption to secure user data. This level of encryption is considered the gold standard in the industry and ensures that your data remains safe from hackers and other malicious entities. NordVPN supports several VPN protocols, including OpenVPN, IPSec/IKEv2, and its privacy-focused implementation of the WireGuard protocol called NordLynx. These protocols provide a balance of security and speed, making NordVPN a versatile option for various online activities.