Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Update, Jan. 25, 2025: This story, originally published Jan.
Online verification has become a big part of how we stay safe and private on the web. Every app, website, or service now wants to confirm you’re real. But giving out your personal number can be risky.
Learn why phone numbers are critical to online security, how they’re exposed, and practical steps to reduce misuse, scams, and account takeover risks.
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