Black & White Path

Apr 24, 2026 · Information Security

Why Forgotten Ghost APIs Are Becoming Attackers’ Golden Backdoors

Ghost APIs—deprecated endpoints that remain active in production—create invisible attack surfaces, allowing adversaries to bypass modern defenses, as illustrated by incidents like Optus and T‑Mobile; the article dissects their risks, how attackers locate them, and practical three‑step defenses to eliminate these hidden vulnerabilities.