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The idea that IoT devices are “impenetrable” is both humorous and misleading. While some manufacturers have improved security, many IoT devices remain vulnerable due to weak default credentials, outdated firmware, and poor encryption. Let’s break down the reality of IoT security and how you can test it yourself.
You Should Know:
1. Identifying Vulnerable IoT Devices
Use Shodan (https://www.shodan.io/) to find exposed IoT devices:
[sh]
shodan search “default password”
shodan search “webcam”
[/sh]
2. Brute-Forcing Default Credentials
Tools like Hydra can test weak logins:
hydra -l admin -P /usr/share/wordlists/rockyou.txt 192.168.1.1 http-post-form "/login.php:user=^USER^&pass=^PASS^:Invalid"
3. Firmware Analysis
Extract firmware using Binwalk:
binwalk -e firmware.bin
Search for hardcoded keys:
grep -r "PRIVATE KEY" extracted_firmware/
4. Exploiting UPnP & Telnet
Many IoT devices enable insecure services:
nmap -p 23,1900 --open 192.168.1.0/24
5. Sniffing IoT Traffic
Use Wireshark or tcpdump to analyze unencrypted data:
tcpdump -i eth0 -w iot_traffic.pcap
What Undercode Say
IoT security is far from perfect. While some vendors have improved, many devices still rely on weak security practices. The key to IoT hacking is persistence—exploiting misconfigurations, default credentials, and unpatched vulnerabilities. Always test ethically and responsibly.
Expected Output:
- List of exposed IoT devices from Shodan
- Successful brute-force login attempts
- Extracted firmware with hardcoded secrets
- Captured unencrypted IoT traffic
References:
Reported By: Activity 7312872934191087618 – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
