APT (Advanced Persistent Threat)

A sophisticated, targeted cyber attack campaign conducted by skilled threat actors (often state-sponsored or well-funded criminal groups). APTs targeting carrier infrastructure can compromise network integrity, intercept communications, and steal data.

Categories: Threats and Attacks

APT in context

Telecom threats range from opportunistic SMS phishing and SIM swap to nation-state grade location tracking. The common thread is that most attacks exploit the inherited trust model of legacy signaling protocols.

To place APT in the wider telecom-security picture, review A5/2, Anomaly Detection, Artificial Traffic Inflation, Attack Surface Mapping, Backhaul and Cell Phone (Mobile Phone): each entry cross-references back to this page so you can walk the topic in either direction.

Related terms

Related topic hubs

  • Diameter Attacks S6a IDR/PUR/CLR abuse, subscriber tracking, LTE signaling attacks.

More from the TelcoSec Glossary

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