System and methods for detection of fraudulent online transactions

Abstract

Disclosed are some aspects of systems and methods for providing security for online transactions. An example method includes determining, at a security service, that an online transaction related to a payment service has been initiated at a computer by a user of the computer, collecting first information from the computer and second information from the payment service, and determining, based on the collected information, whether the online transaction is suspicious These aspects further include, when the online transaction is determined to be suspicious, determining whether a malicious program can be identified on the computer and when the malicious program is identified, performing corresponding remedial actions with respect to the detected malicious program.