The infamous credit card-skimming group Magecart has struck again. After incidents in the past few months that saw the threat actor go after customers of online shops and hotel chains, the group has set its sights on a new set of targets: high-profile stores, including firearms vendor Smith & Wesson (S&W).
According to security researcher Willem de Groot of Sanguine Security, threat actors took advantage of the Black Friday rush by injecting credit card skimmers into the sites of a number of high-profile stores such as S&W. The group behind the attack injected the skimmer into S&W’s website on November 27 — a couple of days before Black Friday, most likely in anticipation of the high volume of traffic going to the website. Note that the skimmer has been removed from the S&W store as of the time of writing.
Sanguine Security notes that these attacks only worked for users which met the following criteria:
The rise of Magecart highlights the need for vendors and other organizations to properly secure their websites and applications. Data theft via an attack such as the ones regularly performed by Magecart can mean monetary losses, not only for customers but also for the company whose website or application was compromised, especially given the potentially steep fines meted out to violators of data privacy laws such as the General Data Protection Regulation (GDPR).
Organizations can minimize the chances of compromise by consistently applying the newest patches and updates to the software they use and by shoring up the authentication mechanisms provided to customers. Furthermore, it is recommended that IT and security teams proactively monitor their websites for any sign of malicious activities, such as unauthorized access or data exfiltration.
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