The article discusses the increasing importance of JavaScript in modern web applications, while highlighting the vulnerabilities that accompany it. Specifically, it focuses on Magecart attacks, where attackers inject malicious JavaScript code into e-commerce sites to steal sensitive payment information from users. Examples, including the breaches of British Airways and Newegg, illustrate the gravity of this threat. The article also provides a solution for developers in the form of Subresource Integrity (SRI), a method to verify the integrity of external JavaScript files and protect against such attacks.
"The British Airways breach in 2018 resulted in 380,000 payment records being stolen due to a Magecart attack."
SRI (Subresource Integrity) is a security feature that helps protect your website from malicious or compromised external resources, ensuring that the content you load hasn't been tampered with.
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