Yes, the technology underlying passkeys is confusing. Here's a plain-English guide that can help you ditch passwords today.

One of the biggest stories of the year was the leak of 16 billion passwords — credentials now being used in ongoing hack ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Toby Walters is a financial writer, investor, and lifelong learner. He has a passion for ...

December 25, 2025 • Marty Reisman was nicknamed "The Needle" for his slender physique. He dressed well and put on a show.