Entries Tagged "scams"

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In-Person Credit Card Scam

Surely this isn’t new:

Suspects entered the business, selected merchandise worth almost $8,000. They handed a credit card with no financial backing to the clerk which when swiped was rejected by the cash register’s computer. The suspects then informed the clerk that this rejection was expected and to contact the credit card company by phone to receive a payment approval confirmation code. The clerk was then given a number to call which was answered by another person in the scam who approved the purchase and gave a bogus confirmation number. The suspects then left the store with the unpaid for merchandise.

Anyone reading this blog would know enough not to call a number given to you by the potential purchaser, but presumably many store clerks don’t have good security sense.

Posted on January 19, 2009 at 1:23 PM • View Comments

How to Steal the Empire State Building

A reporter managed to file legal papers, transferring ownership of the Empire State Building to himself. Yes, it’s a stunt:

The office of the city register, upon receipt of the phony documents prepared by the newspaper, transferred ownership of the 102-story building from Empire State Land Associates to Nelots Properties, LLC. Nelots is “stolen” spelled backward.

To further enhance the absurdity of the heist, included on the bogus paperwork were original “King Kong” star Fay Wray as witness and Willie Sutton, the notorious bank robber, as the notary.

Still, this sort of thing has been used to commit fraud in the past, and will continue to be a source of fraud in the future. The problem is that there isn’t enough integrity checking to ensure that the person who is “selling” the real estate is actually the person who owns it.

Posted on December 15, 2008 at 12:23 PM • View Comments

Tourist Scams

Interesting list of tourist scams:

I have only heard of this happening in Spain on the Costa del Sol, but it could happen anywhere. This scam depends on you paying a restaurant/bar bill in cash, usually with a €50 note. The waiter will take your payment, then return shortly after, apologetically telling you that the note is a fake and that you need to pay again. He will return the “fake” bill to you, and any change you’re due. Of course, you gave him a REAL note, he gave you a FAKE note, and you gave him a second real note, so you paid €100 for a €50 meal. What I do now is write unobtrusively on all large notes I get, so I can challenge them if it happens to me.

Posted on December 8, 2008 at 6:54 AM • View Comments

Who Falls for those Nigerian 419 Scams Anyway?

This is the story of a woman who sent the scammers $400K:

She wiped out her husband’s retirement account, mortgaged the house and took a lien out on the family car. Both were already paid for.

For more than two years, Spears sent tens and hundreds of thousands of dollars. Everyone she knew, including law enforcement officials, her family and bank officials, told her to stop, that it was all a scam. She persisted.

Spears said she kept sending money because the scammers kept telling her that the next payment would be the last one, that the big money was inbound. Spears said she became obsessed with getting paid.

An undercover investigator who worked on the case said greed helped blind Spears to the reality of the situation, which he called the worst example of the scam he’s ever seen.

EDITED TO ADD (12/13): More about the story.

Posted on December 3, 2008 at 8:20 AM • View Comments

The Neuroscience of Cons

Fascinating:

The key to a con is not that you trust the conman, but that he shows he trusts you. Conmen ply their trade by appearing fragile or needing help, by seeming vulnerable. Because of THOMAS [The Human Oxytocin Mediated Attachment System], the human brain makes us feel good when we help others—this is the basis for attachment to family and friends and cooperation with strangers. “I need your help” is a potent stimulus for action.

This is interesting. They say that all cons rely on the mark’s greed to work. But this short essay implies that greed is only a secondary factor.

Posted on November 18, 2008 at 6:32 AM • View Comments

UPC Switching Scam

It’s not a new scam to switch bar codes and buy merchandise for a lower value, but how do you get away with over $1M worth of merchandise with this scam?

In a statement of facts filed with Tidwell’s plea, he admitted that, during one year, he and others conspired to steal more than $1 million in merchandise from large retailers and sell the items through eBay. The targeted merchandise included high-end vacuum cleaners, electric welders, power winches, personal computers, and electric generators.

Tidwell created fraudulent UPC labels on his home personal computer. Conspirators entered various stores in Ohio, Illinois, Indiana, Pennsylvania and Texas and placed the fraudulent labels on merchandise they targeted, and then bought the items from the store. The fraudulent UPC labels attached to the merchandise would cause the item to be rung up for a price far below its actual retail value.

That requires a lot of really clueless checkout clerks.

EDITED TO ADD (11/7): Video of talk on barcode hacks.

Posted on October 31, 2008 at 6:43 AM • View Comments

The Psychology of Con Men

Interesting:

My all-time favourite [short con] only makes the con artist a few dollars every time he does it, but I absolutely love it. These guys used to go door-to-door in the 1970s selling lightbulbs and they would offer to replace every single lightbulb in your house, so all your old lightbulbs would be replaced with a brand new lightbulb, and it would cost you, say $5, so a fraction of the cost of what new lightbulbs would cost. So the man comes in, he replaces each lightbulb, every single one in the house, and does it, you can check, and they all work, and then he takes all the lightbulbs that he’s just taken from the person’s house, goes next door and then sells them the same lightbulbs again. So it’s really just moving lightbulbs from one house to another and charging people a fee to do it.

Posted on October 20, 2008 at 5:57 AM • View Comments

"Scareware" Vendors Sued

This is good:

Microsoft Corp. and the state of Washington this week filed lawsuits against a slew of “scareware” purveyors, scam artists who use fake security alerts to frighten consumers into paying for worthless computer security software.

The case filed by the Washington attorney general’s office names Texas-based Branch Software and its owner James Reed McCreary IV, alleging that McCreary’s company caused targeted PCs to pop up misleading security alerts about security threats on the victims’ computers. The alerts warned users that their systems were “damaged and corrupted” and instructed them to visit a Web site to purchase a copy of Registry Cleaner XP for $39.95.

I would have thought that existing scam laws would be enough, but Washington state actually has a specific law about this sort of thing:

The lawsuits were filed under Washington’s Computer Spyware Act, which among other things punishes individuals who prey on user concerns regarding spyware or other threats. Specifically, the law makes it illegal to misrepresent the extent to which software is required for computer security or privacy, and it provides actual damages or statutory damages of $100,000 per violation, whichever is greater.

Posted on October 2, 2008 at 7:03 AM • View Comments

Data Mining to Detect Pump-and-Dump Scams

I don’t know any of the details, but this seems like a good use of data mining:

Mr Tancredi said Verisign’s fraud detection kit would help “decrease the time between the attack being launched and the brokerage being able to respond”.

Before now, he said, brokerages relied on counter measures such as restrictive stock trading or analysis packages that only spotted a problem when money had gone.

Verisign’s software is a module that brokers can add to their in-house trading system that alerts anti-fraud teams to look more closely at trades that exhibit certain behaviour patterns.

“What this self-learning behavioural engine does is look at the different attributes of the event, not necessarily about the computer or where you are logging on from but about the actual transaction, the trade, the amount of the trade,” said Mr Tancredi.

“For example have you liquidated all of your assets in stock that you own in order to buy one penny stock?” he said. “Another example is when a customer who normally trades tech stock on Nasdaq all of a sudden trades a penny stock that has to do with health care and is placing a trade four times more than normal.”

This is a good use of data mining because, as I said previously:

Data mining works best when there’s a well-defined profile you’re searching for, a reasonable number of attacks per year, and a low cost of false alarms.

Another news article here.

Posted on August 14, 2008 at 6:10 AM • View Comments

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Sidebar photo of Bruce Schneier by Joe MacInnis.