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InfoQ Homepage News Capital One Banks on Open Source to Scale Innovation

Capital One Banks on Open Source to Scale Innovation

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At the 2018 DevOps Summit in Las Vegas, Tapabrata "Topo" Pal, senior distinguished engineer, and Jamie Specter, counsel, presented how Capital One invested in open source in order to deploy software faster, and how they developed best practices based on their open source adoption’s lessons learned.

In 2012, Capital One was 100% Waterfall, had manual processes and out-sourced the majority of their commercial technology. In six years, Capital One became one of the largest digital banks, with millions of accounts, scaled DevOps across the organization, and in 2016 was named #1 company by Information Week Elite 100, a list that recognizes the best companies in technology innovation that drive real business value.

When they started their transformation journey, Capital One was opposed to open source. In 2012, they started developing their continuous integration pipeline with Apache Subversion, Jenkins, SonarQube, etc. But because of the risks posed by open source, they quickly engaged their legal department and together developed a formal due diligence approach and strategy. First, they identified and categorized all perceived risks associated with using open source software, such as security, trade secret disclosure, devaluation of patent portfolio, M&A devaluation, intellectual property infringement, etc. The key development risks were touching on security, licensing and reputation. They then identified a monitoring and remediation plan for each risk category, trained and empowered every employee involved in the process to act.

To prevent the code vulnerability and security risks, they developed a continuous detection model that decreased the remediation cycle time and quality. The remediation plan had three options, remove, replace or upgrade the code base. On the license front, there were over 2000 known open source licenses. Some licenses conflicted with each other, and some software had unknown licenses. It was important to understand the legal implications, permissions and rules as well as developers’ rights. Capital One established a continuous monitoring plan, enabling engineers to remove, rewrite or request a change of software quickly enough to have the least disruption possible. Capital One maintained an open source inventory, they continuously audited, tracked and remediated any vulnerabilities, tracked all license terms and established governance around technology, legal, security and training.

They also leveraged DevOps to help, through automation, small batch size, lean processes, frequent releases and high transparency. In four years, Capital One saw more than 90 developers working on 193 different projects using open source software such as Angular, Ansible and Kubernetes to simplify their automation, Hadoop, Kafka, etc. According to Pal and Specter, "you cannot do it alone". They were successful because they removed silos in the enterprise, allowing engineers to collaborate faster with legal, security, and enterprise risks.

Capital One open source adoption took another turn, when very soon into their transformation, in 2013, Pal realized and suggested that taping into existing open source only wasn’t going to provide them with all the benefits and innovation potential it offers. They went from being consumers to contributors. In three years, they developed their own open source portal, created 31 open source projects and products, among which Hygieia a DevOps dashboard, and Cloud Custodian are used today by many corporations.

According to Pal and Specter, creating a culture of open source was instrumental in meeting their organizational business and strategic goals. They improved their engineering skills and experience and saw an increase in software and release quality, as well as in value to market.

 

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