IoT & Smart Device Security
IoT Botnet & DDoS Protection
From the 2014 fridge spam botnet to Mirai's 2016 record DDoS attacks, compromised smart devices are the internet's standing army for hire. Defense works on two sides: keep your devices from being recruited (credentials, updates, segmentation) and keep botnet traffic from reaching you (edge filtering, rate limits, DDoS scrubbing).
Key points
- Eliminate default credentials fleet-wide, the recruitment vector for Mirai-class malware.
- Patch or replace devices whose vendors stopped shipping fixes.
- Block outbound anomalies: fridges shouldn't send email, cameras shouldn't scan the internet.
- Deploy edge rate limiting and SYN-flood protection sized for IoT-scale floods.
- Subscribe to a DDoS scrubbing service before the attack, not during.
- Monitor DNS query patterns, botnets beacon before they strike.
- Keep an incident runbook for provider-level outages beyond your control.
- Report infections to ISPs and CERTs; botnet takedowns depend on victim reports.
Field note
Subscribe to scrubbing before the attack, not during. Nobody negotiates DDoS protection well while down, and botnet floods don't wait for procurement.
Frequently asked questions
What was the 2014 fridge spam incident?
Proofpoint found a botnet of smart fridges, TVs, and routers sending 750,000 spam emails, the first proof appliances join botnets.
How big can IoT DDoS get?
Mirai variants have exceeded 1 Tbps, beyond what any single unprotected site absorbs.
Can small businesses be targets?
As botnet members, constantly. As DDoS victims, usually via shared hosting neighbors, another reason for provider-grade protection.
Does this affect servers we manage?
Directly: recruited devices attack hosting infrastructure, and hosted sites need edge protection sized accordingly.
How Kinetikatech helps with iot & smart device security
We've handled this hundreds of times: Fridges, cameras, controllers, and building systems were never designed for the hostile internet, we secure them anyway. With 24/7 Server Monitoring and Server Management, you get the full loop, we assess, we implement, we watch it around the clock, and we pick up within 30 minutes when it matters.