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Comment: remove dead links, add CILogon, CTSC, and SWAMP

For nearly thirty years, the The National Center for Supercomputing Applications at the University of Illinois at Urbana-Champaign has been a national computational resource for our nation's scientists and engineers. We offer cutting-edge computingvisualization, and data storage resources and user services to help researchers make optimal use of them. We develop technologies and applications to help researchers do their work more effectively, and we harness the power of the national cyberinfrastructure by developing the integrated, end-to-end software environments that both provide these users with access to high-end resources and capabilities and the ability to coordinate, automate, and apply them effectively (NCSA) is a hub of transdisciplinary research and digital scholarship where University of Illinois faculty, staff, and students, and collaborators from around the globe, unite to address research grand challenges for the benefit of science and society. NCSA also provides integrated cyberinfrastructure—computing, data, networking, and visualization resources and expertise that are essential to the work of scientists, engineers, and scholars at the University of Illinois and across the country.

As one of the original sites on the NSFNet, which provided the backbone for the present-day Internet, NCSA has always been a production, open supercomputing facility. Making our computational resources easily Making cyberinfrastructure easily accessible to our users, who run the gamut from Kfrom K-12 educators to academic researchers and students to government and industrial educators to academic researchers and students to government and industrial partners, is a top priority: our endpoints—more than 5000 of them—are not hidden behind firewalls like those of corporate sites, but are accessible worldwide.

Accessibility to cyber resources cyberinfrastructure is absolutely necessary to the productivity of the nation's scientific and engineering community, but such accessibility means effectively addressing and preventing system vulnerabilities. As a result, over the last two decades NCSA has developed broad and deep expertise in detecting and responding to attacks and intrusions of all sorts. With more than decades of experience designing and deploying systems that meet stringent cybersecurity requirements for serving a diverse, national scientific community, NCSA is a recognized leader in both in local site security and security for distributed systems and grids, with funding for research and development from security. NCSA's CyberSecurity research and operations are funded primarily through federal grants from the National Science Foundation , and the Department of Energy, Department of Homeland Security and more.

NCSA has a solid, decades- long history not of exploring of exploring and researching new ways to protect systems--and the researchers who use them--from cyberattacks. We've led the development of MyProxy, software that enables scientific grid users to securely manage their online credentials, GridShibCILogon, software that enables system administrators to manage user access to computational grids that span multiple institutionsa service that bridges from campus credentials to cyberinfrastructure, and Bro, a network security monitor co-developed at ICSI and NCSA , and that is used by Fortune 50 companies, labs and universities worldwide. NCSA is also has a long history of partnering closely with user communities to find solutions to problems of scientific and public interest, such as those in the areas of structural engineering, atmospheric scienceenvironmental pollution, and national securitya partner in the Center for Trustworthy Scientific Cyberinfrastructure and the Software Assurance Marketplace.