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Welcome to Tech News Briefing. It's Tuesday, November 5th.

I'm Cordelia James for the Wall Street Journal.

The U.S. semiconductor industry is digging deeper to cut China out of supply chains, targeting chip toolmakers.

We'll hear why finding alternatives to Chinese suppliers isn't always easy.

And then, it's election day.

Americans across the country are casting their ballots to select the next president of the

United States.

It's also what one cybersecurity expert has called a Super Bowl for cybercriminals.

WSJ reporter Bell Lynn tells us how cybercriminals are attempting to hack election networks and how voters can protect themselves.

But first, pressure from officials in Washington is causing some of the world's biggest semiconductor

manufacturers to cut ties with China.

Now, chip toolmakers are telling suppliers that they need to find alternatives to certain

components obtained from China or risk losing their vendor status.

This includes two Silicon Valley companies, applied materials and

lamb research, which make equipment used in chip production. WSJ reporter Asa Fitch joins us now with more.

Asa remind us, why is the U.S. government pressuring these companies to cut ties with China?

...