About Cabling Installation & Maintenance

Our mission: Bringing practical business and technical intelligence to today's structured cabling professionals

For more than 30 years, Cabling Installation & Maintenance has provided useful, practical information to professionals responsible for the specification, design, installation and management of structured cabling systems serving enterprise, data center and other environments. These professionals are challenged to stay informed of constantly evolving standards, system-design and installation approaches, product and system capabilities, technologies, as well as applications that rely on high-performance structured cabling systems. Our editors synthesize these complex issues into multiple information products. This portfolio of information products provides concrete detail that improves the efficiency of day-to-day operations, and equips cabling professionals with the perspective that enables strategic planning for networks’ optimum long-term performance.

Throughout our annual magazine, weekly email newsletters and 24/7/365 website, Cabling Installation & Maintenance digs into the essential topics our audience focuses on.

  • Design, Installation and Testing: We explain the bottom-up design of cabling systems, from case histories of actual projects to solutions for specific problems or aspects of the design process. We also look at specific installations using a case-history approach to highlight challenging problems, solutions and unique features. Additionally, we examine evolving test-and-measurement technologies and techniques designed to address the standards-governed and practical-use performance requirements of cabling systems.
  • Technology: We evaluate product innovations and technology trends as they impact a particular product class through interviews with manufacturers, installers and users, as well as contributed articles from subject-matter experts.
  • Data Center: Cabling Installation & Maintenance takes an in-depth look at design and installation workmanship issues as well as the unique technology being deployed specifically for data centers.
  • Physical Security: Focusing on the areas in which security and IT—and the infrastructure for both—interlock and overlap, we pay specific attention to Internet Protocol’s influence over the development of security applications.
  • Standards: Tracking the activities of North American and international standards-making organizations, we provide updates on specifications that are in-progress, looking forward to how they will affect cabling-system design and installation. We also produce articles explaining the practical aspects of designing and installing cabling systems in accordance with the specifications of established standards.

Cabling Installation & Maintenance is published by Endeavor Business Media, a division of EndeavorB2B.

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Milliman analysis: Mortgage default risk in Q1 2025 inches up to 2.13% due to rising borrower and economic risk

Milliman, Inc., a premier global consulting and actuarial firm, today announced the first quarter (Q1) 2025 results of the Milliman Mortgage Default Index (MMDI), which shows a slight increase in the lifetime serious delinquency rate (for homes 180+ days delinquent) for U.S.-backed mortgages. The Q1 2025 MMDI climbed to 2.13%, compared to 2.05% in Q4 2024.

During Q1 2025, default risk for GSE loans inched up due to both an increase in economic risk (from 0.64% to 0.68%) and borrower risk (1.40% to 1.43%). In the context of the MMDI, borrower risk is the risk of a loan becoming seriously delinquent due to borrower credit quality, initial equity position, and debt-to-income (DTI) ratio. Economic risk is measured by looking at historical and forecasted home prices.

“In early 2025, GSE acquisitions had slightly higher DTI and loan-to-value (LTV) ratios compared to the prior quarter, and a slightly lower average FICO score, meaning borrowers were taking on more debt compared to prior quarters,” said Jonathan Glowacki, a principal at Milliman and co-author of the MMDI. “While the quality of purchase loans continues to be strong, we’ll be monitoring how economic turbulence may impact borrower risk for government-sponsored loans.”

In reviewing Q1 2025 data, note that Q4 2024 MMDI values have been restated to account for higher-than-forecasted home price appreciation. The MMDI relies on a baseline forecast of future home prices, and as projections and real-world conditions change, the values in subsequent publications adjust accordingly.

Read the full Q1 2025 report. For organizations interested in accessing additional mortgage market thought leadership, analytics, and technology, learn about Milliman M-PIRe Valuation & Securitization Software.

About Milliman

Milliman leverages deep expertise, actuarial rigor, and advanced technology to develop solutions for a world at risk. We help clients in the public and private sectors navigate urgent, complex challenges—from extreme weather and market volatility to financial insecurity and rising health costs—so they can meet their business, financial, and social objectives. Our solutions encompass insurance, financial services, healthcare, life sciences, and employee benefits. Founded in 1947, Milliman is an independent firm with offices in major cities around the globe. Visit us at milliman.com.

“In early 2025, GSE acquisitions had slightly higher DTI and loan-to-value (LTV) ratios compared to the prior quarter, and a slightly lower average FICO score, meaning borrowers were taking on more debt compared to prior quarters.”

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