Despite the recent economic downturn, phishing and spam scams are still profitable for attackers, possibly because phishers are able to quickly target their scams to match prevailing attitudes. For instance, phishers are enticing potential victims with lures that spoof well-known financial institutions and which promise easy access to low-interest loans and credit. Spammers are also attempting to use the uncertainty of the financial situation to their advantage. While it might be expected that spam offering stock market tips or other financial opportunities would drop off during a period of market uncertainty, it is likely that such a drop-off would be balanced out by an increase in spam offering such recession-related enticements as low-interest loans and easy access to credit.
Many phishing attacks that spoof financial services brands prompt users to enter credit card information or banking credentials into fraudulent sites. If this ruse is successful, phishers can then...
The online underground economy has evolved into a full-fledged marketplace where participants advertise and traffic stolen information, provide services to aid in the use of this information, and perform other illegal activities. Like any market-based economy, it is governed by the laws of supply and demand and, given enough supply, the goods available for purchase are virtually limitless.
As stated in the Symantec Report on the Underground Economy, credit card information was the most popular category of goods and services available for sale, accounting for almost one-third of the total observed. This category included credit card numbers, CVV2 numbers, expiry dates, and credit card dumps. (The CVV2 number is a three- or four-digit number on the credit card and is used for card-not-present transactions, such as Internet or phone purchases. This number helps to verify that...