Client-Side JavaScript Risks & the CCPA

Client-Side JavaScript Risks & the CCPA
How California's new privacy law increases the liability for securing Web-facing user data, and what enterprises can do to mitigate their risk.

On January 1, 2020, California's new privacy law took effect, which will dramatically increase security risks for any company operating there as well as for third parties that might have access to your data. This is a problem because one of the fastest-growing types of cyberattacks — client-side JavaScript attacks — often targets third-party services. Magecart attacks, for example, frequently focus on compromising plug-ins to major e-commerce platforms such as Magento and Shopify or other popular publishing platforms like WordPress to surreptitiously skim customer data.


The California Consumer Privacy Act (CCPA), which dictates how companies and organizations need to secure the data of users, could drive heavy fines against sites that fail to protect against these attacks. The act can also be a positive force to drive major improvements in your web application security approach.


Why Website Issues Are a CCPA RiskWhile the CCPA is the strongest state consumer privacy legislation in the United States, the law also has global reach. A French or a Chinese company that has customers, partners, service providers, or offices in California could be fined if its website is breached and California residents are affected.


However, the exposure is broader than data breaches. CCPA extends liability for compromises of user data to third-party services that web application publishers and operators use. This can include payment processors, chatbot operators, and any other provider of third-party services that integrate with web applications. This could mean large financial exposure if California, which has a track record of aggressive enforcement, pursues fines.


In the European Union, recent interpretations of the 2016 General Data Protection Regulation (GDPR) found that JavaScript attacks by malicious thir ..

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