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'Ethical hackers' are a line of defense against criminal hackers

Hackers are everywhere. Studies show that there’s a shortage of qualified cybersecurity experts to stem cyberattacks. Some cyber professionals are taking steps to train others to spot system vulnerabilities.

Thomas Fudge of KPBS reports.

This article was originally published on WBUR.org.

Copyright 2024 NPR. To see more, visit https://www.npr.org.