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IBM will spend $5 billion to help find and fix vulnerabilities in open-source software packages used throughout the business world, the company announced on Thursday.

Through Project Lightwell, IBM will create “a trusted enterprise clearinghouse combined with a global force of engineers to identify and fix vulnerabilities at scale,” using AI to validate and test the patches before deployment, the company said. Businesses will be able to subscribe to the patching program for automated deployment of fixes that integrates with their existing life cycle management processes.

“Open source is the backbone of today’s digital economy and the foundation of modern AI, and we are at an inflection point in how it is built, secured, and scaled,” IBM CEO Arvind Krishna said in a statement. “This is about strengthening trust in the systems that power business, government, and society.”

IBM has already been testing the program with major financial institutions including Bank of America, Goldman Sachs, JPMorgan Chase, Mastercard and Visa. The software giant said the lessons it learned from the test phase will inform “how vulnerabilities are identified, validated, and remediated at scale across complex software supply chains.”

Project Lightwell’s clearinghouse will provide a secure environment for businesses to discuss security issues with open-source code, increasing the speed with which open-source maintainers learn about problems while preventing threat actors from exploiting them.

Hackers have increasingly targeted open-source software as its importance to the global technology stack has become more apparent. That exploitation activity has highlighted the weaknesses of the open-source ecosystem, in which mostly volunteer developers struggle to keep up with vulnerability reports — a problem that AI-powered vulnerability discovery has dramatically exacerbated.

The new project from IBM, one of the world’s largest users of open-source code, comes four years after technology giants agreed on a multi-year plan to increase their investments in open-source security. Three months ago, the leading AI companies announced $12.5 million in funding to help offset the challenges that their products have created for open-source maintainers.