WireGuard (WireGuard VPN Protocol)

Also known as: WG

WireGuard is a modern VPN protocol using Curve25519 (X25519) for key exchange, ChaCha20-Poly1305 AEAD for encryption and BLAKE2s for hashing, running over UDP with a minimal state machine. It is increasingly used for management-plane access, roaming test rigs and private 5G site-to-site connectivity, offering lower complexity and attack surface than IPsec/IKEv2 stacks.

Categories: Internet and Routing

WireGuard in context

Telecom networks depend on Internet-style routing (BGP, DNS, MPLS) for interconnect. Route hijacks and DNS abuse can degrade or intercept signaling, which is why RPKI and DNSSEC are now standard hardening for carrier networks.

To place WireGuard in the wider telecom-security picture, review 3G, 3GPP, A5/1, A5/2, A5/3 and ASN — each entry cross-references back to this page so you can walk the topic in either direction.

Related terms

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Browse the full TelcoSec Glossary, the Ultimate Guide to Mobile Network Security, or the P1 Arsenal of telecom-security tools.