Web payment card skimmers add anti-forensics capabilitiesCSOonline #Payment_Card

Web payment card skimmers add anti-forensics capabilitiesCSOonline #Payment_Card

November 14, 2019 0 By NewsTakers

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Researchers have detected compromises on ecommerce sites with a new JavaScript-based payment card skimmer that uses anti-forensics techniques, including the ability to remove itself from the web page’s code after execution.
Dubbed Pipka, the malicious script was found by researchers from Visa’s Payment Fraud Disruption (PFD) team on the site of a North American merchant that had been previously infected with a different skimmer called Inter.
Web skimming is the theft of payment card details from ecommerce websites through malicious scripts injected into them.
Some exploit known vulnerabilities.
Others compromise legitimate third-party scripts that are loaded into websites, like those for web analytics services, and there is evidence that some groups are compromising routers used to set up Wi-Fi hotspots in airports and other public spaces to inject their code into legitimate traffic.
With no shortage of methods of compromising websites, researchers expect that web skimming attacks will continue.
The skimmer can target two-step checkout pages by having configurable fields for both billing data and payment account data.
“When the skimmer executes, on script load, it calls the start function which calls the clear function and sets the skimmer to look for data every second,” the Visa researchers said in their security alert .
Lucian Constantin is a senior writer at CSO, covering information security, privacy, and data protection.

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