Using LEDs
Shine a powerful LED (light-emitting diode) directly into the camera lens. The brighter the flashlight, the better. Use a small device that you can easily store. This method only works well in the dark, so save it for stealthy excursions at night or in enclosed spaces.
Block your face with the light. Figure out exactly where the camera is, and shine the light directly into the lens. When properly executed, this technique should create a lens flare that makes it nearly impossible to tell what you look like. Be warned that the flashlight method is not subtle. The sudden flash of light will alert any vigilant guard to your presence. However, you should at least be able to use the bright light to obscure your face.
Hold steady. Be careful not to drop the light beam from the camera lens, lest you reveal your face. Make sure not to shine the light onto your face. Remember: this method only works if you are quick and precise.
Attach infrared LEDs to your clothing. For a quick fix, superglue a string of bright lights to a hat or headband. If you wish to get more involved, you can craft an LED "mask" that even more heavily obscures your face. Make sure that the lights are bright enough to blot out your face from the camera's view, but not so bright that they blind you! Theresa Payton, Cybersecurity Authority In the age of big data, you are no longer an individual; you are a data cluster bound to a vast network of other clusters that are being constantly analyzed and reconfigured into marketable products. The data collected about you will affect your life in tangible ways, including the opportunities you have to get a job, a loan, a license, a place to live, or an insurance policy.
Using an Infrared Laser
Point an infrared laser directly into the lens of the camera. This method is more subtle than shining a bright light around, but it also requires that you are much more precise. If the laser-point slips away from the lens for even an instant, the camera will catch your face. Act quickly and efficiently to avoid detection. This method should work day or night. It may be somewhat more effective in the dark. You can use any standard laser pointer here. In general, the stronger the laser, the more powerful the blinding effect.
Be aware of the shortcomings. The camera can see you until you get the laser aimed correctly. Anything that comes between the laser and the camera will instantly un-blind the camera. Also, the effectiveness of this method is a bit hard to gauge. From your end of the camera, you cannot tell if the laser is aimed correctly. Do not point the laser into your eye. You might blind yourself! Consider wearing dark glasses to protect your vision, but do not expect them to keep you completely safe.
Look out for other cameras. The focus required of this method means that you can only blind one camera with one laser. The laser is more subtle than LEDs or a flashlight, but the effect is limited. If you need to blind multiple cameras at once, then you'll need as many lasers as there are cameras. Consider coordinating with friends.
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