Telecom Security Threat Digest

Monthly telecom security digest from P1 Security: signaling attacks, fraud vectors, RAN vulnerabilities, and regulatory shifts.

  • July 2026 — SEPP PRINS deployments stall; new IRSF vector via A2P
  • June 2026 — Silent-SMS scanning campaigns spike across LATAM
  • May 2026 — Diameter S6a abuse still leading interconnect finding