Entries Tagged "scams"

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Scareware: How Crime Pays

Scareware is fraudulent software that uses deceptive advertising to trick users into believing they’re infected with some variety of malware, then convinces them to pay money to protect themselves. The infection isn’t real, and the software they buy is fake, too. It’s all a scam.

Here’s one scareware operator who sold “more than 1 million software products” at “$39.95 or more,” and now has to pay $8.2 million to settle a Federal Trade Commission complaint.

Seems to me that $40 per customer, minus $8.20 to pay off the FTC, is still a pretty good revenue model. Their operating costs can’t be very high, since the software doesn’t actually do anything. Yes, a court ordered them to close down their business, but certainly there are other creative entrepreneurs that can recognize a business opportunity when they see it.

Posted on February 7, 2011 at 8:45 AM • View Comments

Fake Amazon Receipt Generators

They can be used to scam Amazon Marketplace merchants:

What happens once our scammer is armed with his fake receipt? Well, many sellers on Amazon will ask you to send them a copy of your receipt should you run into trouble, have orders go missing, lose your license key for a piece of software and so on. The gag here is that the scammer is relying on the seller not checking the details and accepting the printout at face value. After all, how many sellers would be aware somebody went to the trouble of creating a fake receipt generator in the first place?

They’re also useful if you want to defraud your employer on expense reimbursement forms.

Posted on December 17, 2010 at 6:28 AM • View Comments

Prepaid Electricity Meter Fraud

New attack:

Criminals across the UK have hacked the new keycard system used to top up pre-payment energy meters and are going door-to-door, dressed as power company workers, selling illegal credit at knock-down prices.

The pre-paid power meters use a key system. Normally people visit a shop to put credit on their key, which they then take home and slot into their meter.

The conmen have cracked the system and can go into people’s houses and put credit on their machine using a hacked key. If they use this, it can be detected the next time they top up their key legitimately.

The system detects the fraud, in that it shows up on audit at a later time. But by then, the criminals are long gone. Clever.

It gets worse:

Conmen sell people the energy credit and then warn them that if they go back to official shops they will end up being charged for the energy they used illegally.

They then trap people and ratchet up the sales price to customers terrified they will have to pay twice ­ something Scottish Power confirmed is starting to happen here in Scotland.

Posted on September 21, 2010 at 1:42 PM • View Comments

Buying an ATM Skimmer

Interesting:

ATM skimmers—or fraud devices that criminals attach to cash machines in a bid to steal and ultimately clone customer bank card data—are marketed on a surprisingly large number of open forums and Web sites. For example, ATMbrakers operates a forum that claims to sell or even rent ATM skimmers. Tradekey.com, a place where you can find truly anything for sale, also markets these devices on the cheap.

The truth is that most of these skimmers openly advertised are little more than scams designed to separate clueless crooks from their ill-gotten gains. Start poking around on some of the more exclusive online fraud forums for sellers who have built up a reputation in this business and chances are eventually you will hit upon the real deal.

Generally, these custom-made devices are not cheap, and you won’t find images of them plastered all over the Web.

EDITED TO ADD (6/23): Another post.

Posted on June 22, 2010 at 6:49 AM • View Comments

Interview with a Nigerian Internet Scammer

Really interesting reading.

Scam-Detective: How did you find victims for your scams?

John: First you need to understand how the gangs work. At the bottom are the “foot soldiers”, kids who spend all of their time online to find email addresses and send out the first emails to get people interested. When they receive a reply, the victim is passed up the chain, to someone who has better English to get copies of ID from them like copies of their passport and driving licenses and build up trust. Then when they are ready to ask for money, they are passed further up again to someone who will pretend to be a barrister or shipping agent who will tell the victim that they need to pay charges or even a bribe to get the big cash amount out of the country. When they pay up, the gang master will collect the money from the Western Union office, using fake ID that they have taken from other scam victims.

[…]

Scam-Detective: Ok, I also want to talk more about how you managed to get your victims to trust you. I know it can be difficult for legitimate businesses to persuade customers to buy their products, yet you were able to convince people to part with their cash to get their hands on money that never existed in the first place, with at least one taking an international flight on top. That’s quite a skill, how did you learn to do it?

John: Once I had spent some time as a “foot soldier” (* sending out initial approaches and passing serious victims to other scammers) I was promoted to act as either a barrister, shipping agent or bank official. In the early days I had a supervisor who would read my emails and suggest responses, then I was left to do it myself. I had lots of different documents that I would use to convince the victim that I was genuine, including photographs of an official looking man in an office, fake ID and storage manifests, bank statements showing the money, whatever would best convince the victim that I, and the money, was real. I think the English term is to “worm my way” into their trust, taking it slowly and carefully so I didn’t scare them away by asking for too much money too soon.

Scam-Detective: What would you do if a victim had sent money and couldn’t afford to send more, or got cold feet?

John: I would use whatever tactics were needed to get more money. I would send faked letters which stated that the money was about to be taken out of the account by the bank or seized by the government to make them think it was urgent, or tell them that this was definitely the last obstacle to the money being released. I would encourage them to take out loans or borrow money from friends to make the last payment, but tell them that it was important that they didn’t tell anyone what the money was for. I promised them that the expenses would be paid back on top of their share of the money.

[…]

John: We had something called the recovery approach. A few months after the original scam, we would approach the victim again, this time pretending to be from the FBI, or the Nigerian Authorities. The email would tell the victim that we had caught a scammer and had found all of the details of the original scam, and that the money could be recovered. Of course there would be fees involved as well. Victims would often pay up again to try and get their money back.

This sounds just like any other confidence game; in fact, it’s a modern variation on a classic con game called the Spanish Prisoner. The only difference is that this one uses the Internet.

Posted on February 11, 2010 at 7:19 AM • View Comments

The Psychology of Being Scammed

This is a very interesting paper: “Understanding scam victims: seven principles for systems security,” by Frank Stajano and Paul Wilson. Paul Wilson produces and stars in the British television show The Real Hustle, which does hidden camera demonstrations of con games. (There’s no DVD of the show available, but there are bits of it on YouTube.) Frank Stajano is at the Computer Laboratory of the University of Cambridge.

The paper describes a dozen different con scenarios—entertaining in itself—and then lists and explains six general psychological principles that con artists use:

1. The distraction principle. While you are distracted by what retains your interest, hustlers can do anything to you and you won’t notice.

2. The social compliance principle. Society trains people not to question authority. Hustlers exploit this “suspension of suspiciousness” to make you do what they want.

3. The herd principle. Even suspicious marks will let their guard down when everyone next to them appears to share the same risks. Safety in numbers? Not if they’re all conspiring against you.

4. The dishonesty principle. Anything illegal you do will be used against you by the fraudster, making it harder for you to seek help once you realize you’ve been had.

5. The deception principle. Things and people are not what they seem. Hustlers know how to manipulate you to make you believe that they are.

6. The need and greed principle. Your needs and desires make you vulnerable. Once hustlers know what you really want, they can easily manipulate you.

It all makes for very good reading.

Two previous posts on the psychology of conning and being conned.

EDITED TO ADD (12/12): Some of the episodes of The Real Hustle are available on the BBC site, but only to people with UK IP addresses—or people with a VPN tunnel to the UK.

Posted on November 30, 2009 at 6:17 AM • View Comments

Hotel Safe Scam

This is interesting:

Since then, his scams have tended to take place in luxury hotels around the world.

Typically, he would arrive at a hotel, claim to be a guest, and then tell security that he had forgotten the combination code to his safe.

When hotel staff helped him to open the safe, he would pocket the contents and make his escape.

Doesn’t the hotel staff ask for ID before doing something like that?

Posted on October 7, 2009 at 1:07 PM • View Comments

Small Business Identity Theft and Fraud

The sorts of crimes we’ve been seeing perpetrated against individuals are starting to be perpetrated against small businesses:

In July, a school district near Pittsburgh sued to recover $700,000 taken from it. In May, a Texas company was robbed of $1.2 million. An electronics testing firm in Baton Rouge, La., said it was bilked of nearly $100,000.

In many cases, the advisory warned, the scammers infiltrate companies in a similar fashion: They send a targeted e-mail to the company’s controller or treasurer, a message that contains either a virus-laden attachment or a link that—when opened—surreptitiously installs malicious software designed to steal passwords. Armed with those credentials, the crooks then initiate a series of wire transfers, usually in increments of less than $10,000 to avoid banks’ anti-money-laundering reporting requirements.

The alert states that these scams typically rely on help from “money mules”—willing or unwitting individuals in the United States—often hired by the criminals via popular Internet job boards. Once enlisted, the mules are instructed to set up bank accounts, withdraw the fraudulent deposits and then wire the money to fraudsters, the majority of which are in Eastern Europe, according to the advisory.

This has the potential to grow into a very big problem. Even worse:

Businesses do not enjoy the same legal protections as consumers when banking online. Consumers typically have up to 60 days from the receipt of a monthly statement to dispute any unauthorized charges.

In contrast, companies that bank online are regulated under the Uniform Commercial Code, which holds that commercial banking customers have roughly two business days to spot and dispute unauthorized activity if they want to hold out any hope of recovering unauthorized transfers from their accounts.

And, of course, the security externality means that the banks care much less:

“The banks spend a lot of money on protecting consumer customers because they owe money if the consumer loses money,” Litan said. “But the banks don’t spend the same resources on the corporate accounts because they don’t have to refund the corporate losses.”

Posted on August 26, 2009 at 5:46 AM • View Comments

Man-in-the-Middle Trucking Attack

Clever:

For over three years the pair hacked into a Department of Transportation website called Safersys.org, which maintains a list of licensed interstate-trucking companies and brokers, according to an affidavit (.pdf) filed by a DOT investigator. There, they would temporarily change the contact information for a legitimate trucking company to an address and phone number under their control.

The men then took to the web-based “load boards” where brokers advertise cargo in need of transportation. They’d negotiate a deal, for example, to transport cargo from American Canyon, California, to Jessup, Maryland, for $3,500.

But instead of transporting the load, Lakes and Berkovich would outsource the job to another trucking company, the feds say, posing as the legitimate company whose identity they’d hijacked. Once the cargo was delivered, the men invoiced their customer and pocketed the funds. But when the company that actually drove the truck tried to get paid, they’d eventually discover that the firm who’d supposedly hired them didn’t know anything about it.

Actually, not so clever. I’m amazed it went on for three years. You’d think that more than a few of the subcontracters would pick up the phone and call the original customers—and they’d figure out what happened. Maybe there are just so many trucking companies, and so many people who need cargo shipped places, that they were able to hide for three years.

But this scheme was bound to unravel sooner or later. If the criminal middlemen had legitimately subcontracted the work and just pocketed the difference, they might have remained undiscovered forever. But that’s much less profit per contract.

Posted on August 13, 2009 at 5:09 AM • View Comments

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Sidebar photo of Bruce Schneier by Joe MacInnis.