Recently, a client’s customers were receiving a warning from their anti-virus software when they navigated to the checkout page of the client’s ecommerce website. Antivirus software such as Kaspersky and ESET would issue a warning but only once a product had been added to the cart and a customer was about to enter their payment information. This is, of course, a tell-tale sign that there is something seriously wrong with the website and likely a case of credit card exfiltration.

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Via Sucuri.net