|By Application Security||
|February 27, 2013 11:00 AM EST||
This month the Cloud SIG of the PCI Security Standards Council released supplemental guidelines covering cloud computing. We’re happy to see APIs included as a recognized attack surface. As this document makes clear, responsibility for compliance for cloud-hosted data and services is shared between the client and the provider. API providers moving to the cloud should pay close attention to this document: Section 6.5.5 covers Security of Interfaces and APIs, while Appendix D covers implementation considerations that include API-related topics. For cloud-hosted systems, an API gateway can simplify implementation, secure PII and PAN data in motion, provide compliance and ensure auditability in these areas.
The last paragraph of Section 6.5.5 reads:
APIs and other public interfaces should be designed to prevent both accidental misuse and malicious attempts to bypass security policy. Strong authentication and access controls, strong cryptography, and real-time monitoring are examples of controls that should be in place to protect these interfaces.
While Appendix D: PCI DSS Implementation Considerations asks:
- Are API interfaces standardized?
- Are APIs configured to enforce strong cryptography and authentication?
- How are APIs and web services protected from vulnerabilities?
- Are standardized interfaces and coding languages used?
- How is user authentication applied at different levels?
Using a service gateway can ensure that access controls, PII and PAN encryption, and monitoring are consistently applied and enforced for all APIs. This in turn reduces the likelihood that a single poorly-coded or overlooked API will compromise the entire system. Enhanced vulnerability protection is provided by a centralized point to turn away malicious exploits such as SQL injection or Cross-site scripting (XSS) attempts. This control point also provides data leak protection for data leaving the enterprise. The use of a gateway also allows the API provider to construct a consistent façade with standardized interfaces to be utilized for all exposed APIs and web services.
Another area where a gateway can help with PCI-DSS compliance is in containing audit scope via tokenization. One of the design considerations for protecting cardholder data asks:
Where are the “known” data storage locations?
Using a gateway that supports tokenization can limit PCI scope to the gateway device itself. The gateway can then be hosted on a higher-tier hosting platform (e.g. a Virtual Private Cloud) while allowing logic servers without access to cardholder data to be hosted on a more cost-effective, multi-tenant platform. A common model here is to tokenize PAN data as it enters the datacenter, minimizing scope impact, which can be done using proxy tokenization in the API gateway. This usage model is ideal for ecommerce retailers that accept credit card data over an HTML form post or other HTTP interface.
For help assessing tokenization option options, we have made available a Buyer’s Guide: Tokenization for PCI DSS. For the broader view covering other security gateway usage models, we are also sharing the Buyer’s Guide: Gateway Security. Finally, we’d refer readers to the Cloud Builders program’s Cloud Security Reference Architecture for some ready-made blueprints and cloud software management platforms.
The post New PCI DSS Cloud Computing Guidelines – Are you compliant? appeared first on Security Gateways@Intel.
The 17th International Cloud Expo has announced that its Call for Papers is open. 17th International Cloud Expo, to be held November 3-5, 2015, at the Santa Clara Convention Center in Santa Clara, CA, brings together Cloud Computing, APM, APIs, Microservices, Security, Big Data, Internet of Things, DevOps and WebRTC to one location. With cloud computing driving a higher percentage of enterprise IT budgets every year, it becomes increasingly important to plant your flag in this fast-expanding business opportunity. Submit your speaking proposal today!
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17th Cloud Expo, taking place Nov 3-5, 2015, at the Santa Clara Convention Center in Santa Clara, CA, will feature technical sessions from a rock star conference faculty and the leading industry players in the world. Cloud computing is now being embraced by a majority of enterprises of all sizes. Yesterday's debate about public vs. private has transformed into the reality of hybrid cloud: a recent survey shows that 74% of enterprises have a hybrid cloud strategy. Meanwhile, 94% of enterprises are using some form of XaaS – software, platform, and infrastructure as a service.
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All major researchers estimate there will be tens of billions devices - computers, smartphones, tablets, and sensors - connected to the Internet by 2020. This number will continue to grow at a rapid pace for the next several decades. With major technology companies and startups seriously embracing IoT strategies, now is the perfect time to attend @ThingsExpo, June 9-11, 2015, at the Javits Center in New York City. Learn what is going on, contribute to the discussions, and ensure that your enterprise is as "IoT-Ready" as it can be
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