The Internet touches almost all aspects of our daily lives. We are able to shop, bank, connect with family and friends, and handle our medical records all online. These activities require you to provide personally identifiable information (PII) such as your name, date of birth, account numbers, passwords, and location information. #BeCyberSmart when sharing personal information online to reduce the risk of becoming a cybercrimes victim.
Cyber criminals introduce skimming code on e-commerce payment card processing web pages to capture credit card and personally identifiable information and send the stolen data to a domain under their control.
Skimming code is introduced to payment card processing websites by:
The malicious code captures credit card data as the end user enters it in real time. The information is then sent to an Internet-connected server using a domain name controlled by the actor. Subsequently, the collected credit card information is either sold or used to make fraudulent purchases.
Any business accepting online payments on their website is at risk of an e-Skimming attack. This threat has impacted e-commerce companies in the retail, entertainment, and travel industries as well as utility companies and third-party vendors. E-Skimming is also commonly targeting third-party vendors such as those who provide online advertisements and web analytics. The cyber criminals are evolving their tactics and have also been seen using malicious code that targets user and administrative credentials in addition to customer payment information.
The FBI recommends taking precautionary measures to mitigate the threat of e-Skimming attacks. In an attempt to make attribution, the FBI determined the malicious skimmer code has varied in complexity, which limits the ability to identify a specific set of indicators of compromise. Vulnerable companies should secure websites to prevent malicious code injection. In addition, companies should implement proper network segmentation and segregation to limit network exposure and minimize lateral movement of cyber criminals.
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If you have any questions about cybersecurity or want to learn more about how to stay safe online, please contact University of Miami's Information Security Office (ISO) at: ciso@miami.edu.
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