The vulnerability of fiber-optic cables, especially those underwater, and other key infrastructure was highlighted by the sabotage last month in the Baltic Sea of natural gas pipelines from Russia.

The World Wide Web might sound metaphorical, but it’s actually grounded in a physical web of translucent glass filaments crisscrossing the globe. These fiber-optic cables transmit internet data ...

“In the last 60 days, somebody came down the road and put a fiber-optic cable in my front yard,” he said. “I do appreciate the irony of it. And I will say that I’m looking forward to which ...

DSL, satellite, fiber-optic, and cable are all options for internet and TV service across the country, and keeping track of the differences can be a difficult and involved process.