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zakruti.com » Knowledge, science, education » WIRED
I Cheated At Poker By Hacking A Casino Card Shuffling Machine - Hacklab - WIRED

I Cheated At Poker By Hacking A Casino Card Shuffling Machine - Hacklab - WIRED

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Rating: 4.5; Vote: 2
To win big at Texas Hold-Em, a player needs considerable skill, no small amount of luck. and it wouldn't hurt to know what every other player is holding, either. WIRED's Andy Greenberg teams up with casino cheating expert Sal Piacente and hacker/researcher Joseph Tartaro to exploit an automatic card shuffler used in casinos everywhere to engineer a big win. This is Hacklab: I Cheated At Poker By Hacking A Casino Card Shuffling Machine. And win big in Vegas. It's a crazy little hand. I'm Andy Greenberg. I investigate the strange, dark, and subversive sides of technology for Wired. This is Hack Lab. I cheated at poker by hacking a casino card shuffling machine. This experiment takes me to Las Vegas, Nevada. For DEF CON, America's biggest hacker conference. I'm meeting Joseph Tartaro, a researcher and consultant with the security firm IOActive. Joseph. Hey Andy, how's it going. 0:47 Two years ago I wrote a story for Wired about Joseph's technique for hacking card shufflers to take full control over a poker game for perfect undetectable cheating in a casino environment. And in a moment I'll put his technique to the test by trying to cheat these unsuspecting poker players in a real game of Texas Hold'em. But first I want to understand how the shuffler works. 1:07 This is the Deckmate 2 card shuffler that you hacked two years ago. This is the most popular card shuffler you're gonna see in every major poker room. It's even used in the World Series of Poker. It actually sits flush. This is what's next to your knees under the table. How does the Deckmate 2 work internally? Like is it actually the same way that I would like take a deck and riffle shuffle it, like this? 1:28 Is it doing that mechanically inside. No, actually it has 20,23, or 26 different shelves and it will generate a random number. So I'll say, okay, this first part I'm gonna process. I'm gonna put that in position three. Next one, I'm gonna put that in position 12 and it'll eventually just produce a deck. It's really used to make sure that the casino just gets more hands an hour. 1:47 Technically the shuffler has the capability to completely sort a deck in order ace to king every suit. Let me show you. See the door opened here. And now we wait. And the dealer just pulls the deck out of this little container at the top. Correct, there's your deck. Yeah, here we go. Perfectly consecutive now. 2:11 So obviously like if the shuffler can order the whole deck as a kind of feature that it shows you by default, then that means that if you can hack it, you can reorder the deck and fully control the placement of every card, right. Yeah, 100%. I actually have a fun hand that I could show you from James Bond's "Casino Royal". Have you seen the movie "Casino Royal". I have. These warning bells, can be turned on and off depending on the cheaters, and the cheating can be adjusted depending on the situation. For those who think the cheating player will win hand after hand, remember that there are people behind it who know the dynamics of poker and would not be so naive as not to know this. And consequently make the operation pass in a discreet and almost imperceptible way
Date: 2025-10-11

Comments and reviews: 19


Poker player here. Seeing some of the winning hands that you showed down would definitely have raised some SERIOUS alarm bells. The first one, not so much, but multiple times with absolute garbage that somehow ends up winning That's not good play and luck only goes so far. The only other possibility (cheating, however improbable, seems more and more likely.
When the shuffler is integrated into a system with the IDs of players seated at the table, it would be much more feasible and much less detectable to give cheaters reasonable hands that can be played in a reasonable way which end up winning. This can be made even easier for the cheater by having a set of conditions pre-determined to know when to get aggressive and when to fold out.
Example: If the player receives the Queen of diamonds with any other card 10 or higher, or a pair of 4s with the 4 of spades, or 98 of hearts, the cheater knows that they will have the winning hand. No need for a phone or an accomplice at the table. This, coupled with a runout that makes their aggressive actions look more or less correct, will belay most suspicions of cheating.

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The minute he said there's a camera in the thing. Game. Over. That's the dumbest thing a shuffle company could ever do. When the machine can tell what each card is, and grab a single card, it's only a matter of seconds before someone rigs the damned thing. While Sal _says_ he hasn't heard of it, I'm 100% positive it's being done. Remember, there was the guy working for the NV Gaming Commission who rigged the very machines he was supposed to be ensuring were _NOT_ rigged. You'd never know if a _dealer_ was rigging their table. In this case, the cheating and signalling is subtle but still very noticeable - every time the deck is shuffled, he folds the first hand and then goes to his phone. (good security would spot the 1-2-3 chip signal as well. it's a very recognizable pattern, esp. when one guy is cleaning out the table)
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Yeah, it's not that simple. Just like that suspicious televised hand, the way he was playing while cheating would have raised a ton of eyebrows with pro players. Doubling the pot on every card with nothing but a straight draw probably would have been the final straw. Nobody does that, especially when they're getting called every time. Maybe you bluff on the flop with 100k but when the player behind you calls that and then bets into you in the turn I'm not even a pro and the betting pattern and play style was highly suspicious. It looked like someone who knew nothing about poker but was getting help somehow. Maybe I only say that because I went into it knowing he was cheating but I think if you could run this same experiment with some real players, they'll sniff it out quickly.
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Pro players after a while will call just to see what you have. If you keep winning with marginal hands, they will play very aggressively vs you. If you keep calling and winning with the marginal hands and someone never lose at showdown, they will know something is up.
Therefore, to balance it, the signaler should signal based on the likelihood of the opponents folding the best hand and calling with worse. not based on who has the best hand. That way, when the pros do what I mentioned above, you will sometimes lose at showdown. The pros will simply think you're a maniac as opposed to being a cheater. Nobody always wins, so you need to lose once in a while. Just make sure your loses are smaller than your wins.

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I see a bunch of anti-poker people in the comments, please watch the full video.
Online poker is very safe, the card distribution isn’t getting hacked online.
There are other concerns but not this, poker is extremely easy to beat the game long term because the standards are lower than ANY other game.
1/20000 chess players make money
1/10000 footballers make a living
1/20 poker players are profitable

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Would it not be much more effective to just be able to setup a random winning hand when a button is pressed and do it every now and then for crazy returns like you could have the button built into a watch or something it would be so subtle nearly impossible to notice if your keeping the amount of times you do it to a minimum
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What an unexpected episode, very interesting.
And yeah, on the topic of 'if Robbie was cheating' - it's like a game where 'you and the opponent get a random number between 1 and 100' and you draw a 3 and still bet $100k that you have drawn the highest number. She's a pretty obvious cheater.

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My opinion as a poker player and blackjack dealer watching unsuspecting players being cheated makes my stomach turn. I can’t imagine how much this kind of thing happens in unregulated poker games and no one knows about it. It’s such a scummy thing to do I hate cheating!
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Cool video and nice theory and all, but if he sat down at the table with pros and you didn’t carry yourself like a card player the way you handle your chips, your cards, the terminology you use and you started making advance plays, I would get suspect real quick
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Very interesting. I'd like to see you play against at least 4 other REAL poker players. Any decent player could carve Fernando's 10 high anytime. Without cheating. It'd be nice to really put it to test against good players.
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This is how Michael Mizrachi won both the PPC and the Main Event in the WSOP the same year, which statistically is impossible. The powers to be wanted him to win. The card shuffler was rigged in his favor.
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Playing online these days i feel is completely rigged, been playing for 20 years, good player and cant seem to final table a tournament. getting the weirdest calls deep in tournaments to get 2 outer bad beats.
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I read some of the comments and no one mentioned that the dealer cuts the deck once they take it out of the machine. So, even if you manage to put the deck in the order you like, the cut messes everything up
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It was decent till the end, but the whole scene where they actually play was laughable and easily faked/orchestrated to tell whatever story the production wanted. But overall, I guess I enjoyed it.
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So why does the shuffler have that camera in the first place Arranging the deck in order is a nice trick, but I feel like it isn’t useful enough to justify the potential vulnerability.
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This doesn’t really mean anything. A solved deck for 4 handed poker Nice except poker is almost never played 4 handed and then using the camera will be nullified by the cut again.
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I think alot of people here are missing the point that the machines are hackable, and if they can figure this out as fast as they have, what's possible. thats whats scary.
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Inaccurate and ill informed for a slew of reasons that have already been pointed out. You should take this video down as it damages your credibility as a journalist.
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why would a shuffler be aware of the values of each card and even have the option to arrange the deck that doesn't make sense, the only propose for that is cheating.
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