A common concern about security cameras is whether they can be disabled by a determined intruder. The honest answer: yes, some cameras can be defeated — but the methods require effort that most opportunistic burglars will not take. Here is what the real risks are and how to mitigate them.
The Most Common Camera Defeat Methods
Physical destruction: Smashing or spraying paint over the lens. This is obvious and leaves evidence. Most cameras are mounted high enough to make quick physical defeat difficult. Wi-Fi jamming: Specialist RF jammers can disrupt the 2.4GHz signal that wireless cameras use. This is illegal in the USA but does happen in targeted higher-value burglaries. Internet/power cut: Cutting the broadband cable or power supply disables cameras that depend on them. This is why cellular backup and local recording matter.
How to Make Your Cameras Harder to Defeat
Mount high and out of easy reach — 3m or higher makes physical interference much harder. Use cameras with local storage — if the internet is cut, footage continues recording to microSD. Eufy, Reolink, and Lorex cameras all continue recording locally without internet. See our no-subscription local storage guide. Add cellular backup to your alarm — this ensures alarm alerts reach you even if broadband is cut. See our cellular backup guide. Use wired PoE cameras where possible — wired cameras cannot be jammed via Wi-Fi and continue recording through internet outages if connected to a local NVR.
The Deterrence Reality
For the vast majority of burglaries — opportunistic break-ins targeting unoccupied properties — the visible presence of cameras is enough to deter the attempt entirely. The small percentage of planned, targeted burglaries where camera defeat is attempted are disproportionately aimed at high-value properties. Standard residential security with good camera placement, local storage, and alarm cellular backup is sufficient for almost all households.
Related: security cameras hub, alarm systems guide, USA burglary statistics 2026.