Magecart attacks inject malicious JavaScript into e-commerce checkout pages to steal payment card data from customers.
What is Magecart?
Magecart is a consortium of threat groups that specialize in digital payment card skimming through JavaScript injection.
Attack Process
- Compromise - Attackers gain access via vulnerable third-party scripts or direct site compromise.
- Inject - Malicious JavaScript is injected into checkout pages.
- Exfiltrate - Card data is sent to attacker-controlled servers.
Protection Measures
- Subresource Integrity - Validate third-party script integrity.
- Content Security Policy - Restrict script sources and connections.
- Regular Monitoring - Scan checkout pages for unauthorized changes.
Conclusion
Magecart attacks represent a significant threat to e-commerce businesses. By implementing Subresource Integrity, Content Security Policy, and regular monitoring, you can protect your customers' payment data from skimming attacks.