Uladzislau Bayouski

There are more connected devices on Earth than there are people. Each one is a potential entry point. Each one is a potential weapon. The IoT security threat landscape in 2025 isn't what it was three years ago — and most defences haven't caught up. The Short Version The attack surface has exploded. So has the sophistication of the attacks. Here are the ten threats reshaping IoT security right now: Device hijacking 🤖 — unsecured cameras, thermostats, and locks turned into network backdoors or remote spying tools Botnets & DDoS 💥 — armies of infected devices weaponised to knock banks, hospitals, and infrastructure offline (Mirai was just the preview) Data breaches 🔓 — IoT devices collect health data, location, and behaviour; a single compromised hub can expose years of deeply personal details Weak authentication 🔑 — default passwords still shipping in 2025; a dictionary attack takes minutes Firmware vulnerabilities 🛠️ — unpatched devices running software fr...