![]() They come with a slightly higher price tag, but they will give you peace of mind knowing that no one will be able to copy your keys without proper authorization.įor more information, check out our comprehensive Key Systems 101 article or download our white paper. ![]() If the thought of your keys running amuck in the streets gives you great pause, you may want to consider upgrading to a restricted system. They could have run to the local big box retailer’s key copying kiosk and could easily gain entrance to your facility. I can hear you now – “But Katie, when someone quits or is terminated, I always get the key back!”Īre you sure? Do you get all the keys that individual has? If you’re on an unrestricted system, you should always rekey your facility after a disgruntled employee quits or is terminated. ![]() In other words – anyone who has a key can make a copy. However, there are certain things that you need to know before you hand in your Do Not Duplicate key to your locksmith and have it duplicated. Even though a key says Do Not Duplicate, you can still have it duplicated if you need copies. Though, if you’re in the business of key copying kiosks it would be great if you could add that security feature. If you are wondering, can you duplicate a key that says do not duplicate the answer is yes. There is nothing in the machine that recognizes those three little words (Do Not Duplicate) and asks you to fork over some authorization before proceeding. While these kiosks are great for making copies of personal keys, they pose a threat to companies that use unrestricted key systems. However, key copying kiosks entered the scene a few years ago, and as we all know, a machine doesn’t have an ethical compass. While the key stamping “Do Not Duplicate” does serve as a deterrent, it is by no means a security feature for your key system.Īny reputable locksmith or big box retailer would refuse to copy a key with this stamping without proper authorization. Here’s the scary part – you won’t have a clue that your facility’s security has been compromised. We have already developed some products directly as a result of this work and future products will continue to reflect added protection for this threat.If you gave a child a big bag of cookies then told them not to eat one and walked away, chances are they would gobble down a cookie faster than Takeru Kobayashi consumes a hotdog in the Nathan’s Hotdog Eating Contest.Īfter all, you’d never know if one was missing.Īn employee can easily copy a key stamped with “Do Not Duplicate.” "This includes testing various scanning and printing devices available on the market, from highest quality to lowest. "Medeco and ASSA ABLOY have been researching this topic and have been actively pursuing improvements in our technology to help minimize this threat," Roberson wrote in an email. Schlage responded, saying it wasn't ready to comment before publication.Ī Medeco spokesperson Clyde Roberson called the Michigan researchers' work "important and informative." He added that the company has been working to create locks with electronic and mechanical components that can't be 3-D printed. WIRED reached out to some of the lock companies whose restricted keys could be duplicated with Keysforge, including Medeco, Yale, Schlage, EVVA and BEST. "This reopens those attacks."Īttackers and criminals, especially the high end ones, will learn these attacks. "One of the biggest defenses for these methods was restricted keyways," says Burgess. Yes, some keys actually have a marking that says, do not duplicateor any equivalent to that. Using Keysforge to build a series of 3-D printed keys would make that trial-and-error process vastly easier. What to know about do not duplicate keys. Blazed showed that in a building or facility that uses master keys, a key holder can create a series of keys with small variations on his or her regular key and eventually create a master key that opens many more doors. Or it could even allow what the researchers call "privilege escalation" attacks, like what University of Pennsylvania computer scientist Matt Blaze has demonstrated. Like the earlier, unreleased Photobump software, the publicly accessible Keysforge software could enable the easy creation of bump keys for restricted key profiles. Researchers showed in 2009 they could find the measurements of a key's cuts from a photograph taken from as far as 200 feet away and at an angle. ![]() Replicating restricted keys allows for more than the unlimited copying of a key by, say, a rogue employee: It could also make it possible to duplicate a high-security key from a photograph taken from a distance with a high-powered lens. ![]()
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