India, Oct. 9 -- The Trump administration has stepped up its scrutiny of employment-based immigration, targeting major technology companies that sponsor foreign workers for permanent residency and announcing investigations into universities that use exchange-visitor visas.

The measures were announced by Vice President JD Vance and other administration officials on October 8. Here is what changed, which workers could be affected and what the developments mean for people planning to work and settle in the US.

The administration announced that eight companies would be suspended from the Permanent Labor Certification (PERM) program, a process employers generally must complete before sponsoring eligible foreign workers for employment-based g...