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Updates on our continued collaboration with NIST to secure the Software Supply Chain
published on 2021-08-26 17:47:00 UTC by Kaylin TrychonContent:
Yesterday, we were honored to participate in President Biden’s White House Cyber Security Summit where we shared recommendations to advance the administration’s cybersecurity agenda. This included our commitment to invest $10 billion over the next five years to expand zero-trust programs, help secure the software supply chain, and enhance open-source security.
At Google, we’ve long advocated for securing the software supply chain both through our internal best practices and industry efforts that enhance the integrity and security of software. That’s why we're thrilled to collaborate with the U.S. Department of Commerce’s National Institute of Standards and Technology (NIST) to support and develop a new framework that will help to improve the security and integrity of the technology supply chain.
This builds on our previous work in June of this year, where we submitted four statements in response to the National Telecommunications and Information Administration (NTIA) and NIST’s call for position papers to help guide adoption of new software supply chain security standards and guidelines that fulfill components of the Executive Order on Improving the Nation’s Cybersecurity.
The papers lay out concrete ways to increase the nation’s cybersecurity, based on Google’s experience building secure by design systems for our users and enterprise customers. Each of the suggestions are enactable solutions for software supply chain security, and were drawn from Google’s research and innovations in engineering away entire classes of vulnerabilities.
NIST and NTIA also released their guidelines in July for several of the Executive Order’s target areas (SBOM Minimum Elements, Critical Software Guidelines, Developer Verification of Software), incorporating specific recommendations from Google. Below are summaries of each of Google’s position papers, and background on our contributions and impact in each area.
High-Confidence, Scalable Secure Development
Instead of being reactive to vulnerabilities, we should eliminate them proactively with secure languages, platforms, and frameworks that stop entire classes of bugs.
Preventing problems before they leave the developer’s keyboard is safer and more cost effective than trying to fix vulnerabilities and their fallout. (Consider the enormous impact of the SolarWinds attack, which is predicted to take $100 billion to remediate.) Google promotes designs that are secure by default and impervious to simple errors that can lead to security vulnerabilities.
We want to see secure systems used as widely as possible, so we have invested in initiatives such as getting Rust into the Linux Kernel, published research papers, and shared guidance on secure frameworks.
Instead of being reactive to vulnerabilities, we should eliminate them proactively with secure languages, platforms, and frameworks that stop entire classes of bugs.
Preventing problems before they leave the developer’s keyboard is safer and more cost effective than trying to fix vulnerabilities and their fallout. (Consider the enormous impact of the SolarWinds attack, which is predicted to take $100 billion to remediate.) Google promotes designs that are secure by default and impervious to simple errors that can lead to security vulnerabilities.
We want to see secure systems used as widely as possible, so we have invested in initiatives such as getting Rust into the Linux Kernel, published research papers, and shared guidance on secure frameworks.
Security Measures for Critical Software
Critical software does not exist in a vacuum; we must also harden the broader systems and run environments. Our paper outlines a list of actionable steps for critical software's configuration, the privileges with which it runs, and the network(s) to which it is connected.
Our suggestions are based on practices that have withstood the tests of time and scale, such as in our Google Cloud Products, built on one of the industry’s most trusted clouds.
Google contributes to open-source tools that help maintainers adopt these practices, such as gVisor for sandboxing, and GLOME for authentication and authorization. Additionally, to share the knowledge we have gained securing systems that serve billions of users, we released our book Building Secure and Reliable Systems, a resource for any organization that wants to design systems that are fundamentally secure, reliable, and scalable.
Software Source Code Testing
Continuous fuzzing is indispensable for identifying bugs and catching vulnerabilities before attackers do. We also suggest securing dependencies using automated tools such as Scorecards, Dependabot, and OSV.
Google has made huge contributions to the field of fuzzing, and has found tens of thousands of bugs with tools like libFuzzer and ClusterFuzz.
We have made continuous fuzzing available to all developers through OSS-Fuzz, and are funding integration costs and fuzzing internships. We are leading a shift in industry support: on top of bug bounties, which are rewards programs for finding bugs, we have also added patch rewards, money that can help fund maintainers remediate uncovered bugs.
Software Supply Chain Integrity
Google strongly encourages adoption of SLSA, an end-to-end framework for ensuring the integrity of software artifacts throughout the software supply chain. Four “SLSA Levels” provide incrementally adoptable guidelines that each raise the bar on security standards for open-source software.
SLSA is based on Google’s internal framework Binary Authorization for Borg (BAB) that ensures that all software packages used by the company meet high integrity standards. Given BAB’s success, we have adapted the framework to work for systems beyond Google and released it as SLSA to help protect other organizations and platforms.
We have shared many of Google’s practices for security and reliability in our Site Reliability Engineering book. Following our recent introduction of SLSA to the wider public, we are looking forward to making improvements in response to community feedback.
Minimum Requirements for SBOMs
Google submitted an additional paper in response to the NTIA’s request for comments on creating SBOMs, which will give users information about a software package’s contents. Modern development requires different approaches than classic packaged software, which means SBOMs must also deal with intermediate artifacts like containers and library dependencies.
SBOMs need a reasonable signal-to-noise ratio: if they contain too much information, they won’t be useful, so we urge the NTIA to establish both minimum and maximum requirements on granularity and depth for specific use-cases. We also recommend considerations for the creation of trustworthy SBOMs, such as using verifiable data generation methods to capture metadata, and preparing for the automation and tooling technologies that will be key for widespread SBOM adoption.
Critical software does not exist in a vacuum; we must also harden the broader systems and run environments. Our paper outlines a list of actionable steps for critical software's configuration, the privileges with which it runs, and the network(s) to which it is connected.
Our suggestions are based on practices that have withstood the tests of time and scale, such as in our Google Cloud Products, built on one of the industry’s most trusted clouds.
Google contributes to open-source tools that help maintainers adopt these practices, such as gVisor for sandboxing, and GLOME for authentication and authorization. Additionally, to share the knowledge we have gained securing systems that serve billions of users, we released our book Building Secure and Reliable Systems, a resource for any organization that wants to design systems that are fundamentally secure, reliable, and scalable.
Software Source Code Testing
Continuous fuzzing is indispensable for identifying bugs and catching vulnerabilities before attackers do. We also suggest securing dependencies using automated tools such as Scorecards, Dependabot, and OSV.
Google has made huge contributions to the field of fuzzing, and has found tens of thousands of bugs with tools like libFuzzer and ClusterFuzz.
We have made continuous fuzzing available to all developers through OSS-Fuzz, and are funding integration costs and fuzzing internships. We are leading a shift in industry support: on top of bug bounties, which are rewards programs for finding bugs, we have also added patch rewards, money that can help fund maintainers remediate uncovered bugs.
Software Supply Chain Integrity
Google strongly encourages adoption of SLSA, an end-to-end framework for ensuring the integrity of software artifacts throughout the software supply chain. Four “SLSA Levels” provide incrementally adoptable guidelines that each raise the bar on security standards for open-source software.
SLSA is based on Google’s internal framework Binary Authorization for Borg (BAB) that ensures that all software packages used by the company meet high integrity standards. Given BAB’s success, we have adapted the framework to work for systems beyond Google and released it as SLSA to help protect other organizations and platforms.
We have shared many of Google’s practices for security and reliability in our Site Reliability Engineering book. Following our recent introduction of SLSA to the wider public, we are looking forward to making improvements in response to community feedback.
Minimum Requirements for SBOMs
Google submitted an additional paper in response to the NTIA’s request for comments on creating SBOMs, which will give users information about a software package’s contents. Modern development requires different approaches than classic packaged software, which means SBOMs must also deal with intermediate artifacts like containers and library dependencies.
SBOMs need a reasonable signal-to-noise ratio: if they contain too much information, they won’t be useful, so we urge the NTIA to establish both minimum and maximum requirements on granularity and depth for specific use-cases. We also recommend considerations for the creation of trustworthy SBOMs, such as using verifiable data generation methods to capture metadata, and preparing for the automation and tooling technologies that will be key for widespread SBOM adoption.
Improving Everyone’s Security
We are committed to helping advance collective cybersecurity. We also realize that too many guidelines and lists of best practices can become overwhelming, but any incremental changes in the right direction make a real difference. We encourage companies and maintainers to start evaluating today where they stand on the most important security postures, and to make improvements with the guidance of these papers in the areas of greatest risk. No single entity can fix the problems we all face in this area, but by being open about our practices and sharing our research and tools, we can all help raise the standards for our collective security.
We are committed to helping advance collective cybersecurity. We also realize that too many guidelines and lists of best practices can become overwhelming, but any incremental changes in the right direction make a real difference. We encourage companies and maintainers to start evaluating today where they stand on the most important security postures, and to make improvements with the guidance of these papers in the areas of greatest risk. No single entity can fix the problems we all face in this area, but by being open about our practices and sharing our research and tools, we can all help raise the standards for our collective security.
http://security.googleblog.com/2021/08/updates-on-our-continued-collaboration.html
Published: 2021 08 26 17:47:00
Received: 2021 08 26 18:06:03
Feed: Google Online Security Blog
Source: Google Online Security Blog
Category: Cyber Security
Topic: Cyber Security
Views: 1
