All, It seems to me the only way the key fob is going to be able to be copied is if someone presses one of the buttons to transmit the signal. If it is just sitting on a table or hanging on a wall hook, how would someone outside the home (or bldg.) cause the key fob to transmit? As far as I know, key fobs are not receivers. They're only transmitters. So unless I'm missing something, I think the whole idea of copying the code from a key fob is a load of bull.=20 Now, if someone were near their car and they were to press a button, I could see where someone could=20 capture the code, and possible use it for malicious purposes. But copying it outside the home or bldg. while just sitting there, I don't think so. If someone know that this happens, please explain it to me so I too can understand. Regards, Jim > -------- Original Message -------- > Subject: [EE]:: Wrapping key-FOBs in tinfoil > From: RussellMc > Date: Mon, July 09, 2018 6:21 am > To: "Microcontroller discussion list - Public." >=20 >=20 > Comments on this article are invited. > I have already written a response on this article to a friend but will > withhold posting it for a while to see what others say. >=20 > In this article a number of senior security experts are reported to > recommend wrapping car electronic key fobs* with tinfoil when carried dai= ly > and maybe storing in a metal can at home. > The aim is to create a Faraday cage to foil (groan) "cyber-thieves' " > attempts to copy the unlock codes. > (* ie 'keys' with wireless unlocking capabilities ) >=20 > https://www.stuff.co.nz/motoring/105333168/why-you- > might-want-to-wrap-your-car-key-in-foil >=20 >=20 > Russell >=20 > ________________________ >=20 > Cited experts include: >=20 > > Holly Hubert, who retired in 2017 from the FBI in Buffalo, New York. > Now, CEO of GlobalSecurityIQ, >=20 > > Moshe Shlisel, CEO of GuardKnox Cyber Technologies and a veteran of the > Israeli Air Force who helped develop cyber protection for fighter jets an= d > missile defense systems. > ... "The credit card holders don't work because they're essentially a ne= t > rather than a wall." ... > He visited Detroit recently to meet with carmakers. He's already working > with Daimler on Mercedes-Benz vehicles and the Volkswagen Group on Porsch= e, > Audi and Volkswagen products to protect them from hackers. Other clients > and potential clients have asked to remain confidential. >=20 > Shlisel says: "The best thing you can do is keep your key in a small tin > can wrapped with aluminum foil. But in a purse or pocket, just aluminum > foil will do the job." >=20 > > Unspecified: Cybersecurity experts say privately that anyone who knows > anything about the ease of auto and personal data hacking practices safe > fob storage. >=20 > > Clifford Neuman, director of the USC Center for Computer Systems Securi= ty > in Los Angeles, points to the millions of consumers who now carry their > credit cards in a protective pocket designed to work as a Faraday cage. >=20 > > Unspecified: People who store their fobs in Faraday cages aren't > paranoid, experts say. >=20 > > Faye Francy, executive director of the nonprofit Automotive Information > Sharing and Analysis Center, which specialises in cybersecurity strategie= s. > "Automakers are starting to implement security features in every stage of > design and manufacturing. This includes the key fob." > --=20 > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .