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In the computer’s world when a virus is detected, usually the antivirus software updates its definitions. It is followed afterwards by the deployment of firewalls to ensure immunity from the given virus.
Defensive Security: An Uphill Battle
This cat and mouse situation occurs in the real world as well, unsurprisingly targeting wireless device, particularly wireless cameras.
The tactic of disrupting wireless security systems is becoming increasingly prevalent, as evidenced by a growing number of news stories about burglaries where Wi-Fi jammers may have been used.
This trend includes a significant event from January 2020, detailed in a Ring community post, where a wireless doorbell camera failed to record a theft due to a Wi-Fi deauthentication attack. Further exploration shows that the use of Wi-Fi jamming by burglars has been documented in numerous instances throughout 2021, 2022, and 2023, indicating a rising trend in such activities.
What Can We Do To Protect Ourselves?
The year 2024 continues this trend, witnessing an exponential increase in burglaries involving the use of Wi-Fi jamming technology.
Here are some tips, and as usually monitoring and updating the devices is strongly recommended.
Beginner
- Wired Connections. For critical security devices, consider to not rely solely on Wi-Fi. Wired connections are immune to Wi-Fi jamming.
- Physical Security Measures. Improve the security of your premises to deter burglars. This can include using offline security alarms, and motion-detecting lights.
- Professional Security Assessment. Consider hiring a security professional to assess your network and recommend specific anti-jamming measures tailored to your setup.
- Frequent Software Updates. Regularly update the firmware of your Wi-Fi router and security devices to ensure they have the latest security features and protections.
Intermediate
- Signal Strength Monitoring. Monitor the signal strength and connectivity of your wireless devices. Sudden drops in signal strength can be an indicator of jamming and it should be considered as an ‘attack’ event.
- Use Anti-Jamming Devices. If you are still relying solely on wireless consider buying security devices that come with anti-jamming features that can detect and counteract jamming signals.
Advanced
- Network Segmentation. Segment your network to isolate critical devices. If a jammer targets one segment, it won’t necessarily affect all devices.
- Strong Wi-Fi Encryption. Use strong encryption standards like WPA3 for your Wi-Fi network to prevent unauthorized access.
- Backup Communication Methods. Have a backup communication method for your security system, such as cellular or landline connections, that can alert you in case of a Wi-Fi disruption.
Stay safe!