Letter Re: The Vulnerability of Many Commonplace RF Electronics
Dear JWR, Regarding the recently linked article on the hack of the Simplisafe alarm system, I’d like to alert readers to the fact that many, many radio frequency (RF) devices available on the US market have similar vulnerabilities. But it’s worse than that. These devices operate on one of several unlicensed radio frequency bands authorized under Title 47, part 15 of the FCC rules, most specifically Section 15.231. There are transmitters available for purchase on 433MHz, as used by Simplisafe, and they are quite inexpensive. Many of these evaluation kits only require attachment of a battery and you are ready …