This year has had no shortage of alarming Chinese espionage efforts targeting the United States that were uncovered by government officials. 2025 saw the conviction of a former active-duty military ...

Matt Webber is an experienced personal finance writer, researcher, and editor. He has published widely on personal finance, marketing, and the impact of technology on contemporary arts and culture.

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Lu ShaoJi / GettyImages Collateralization is the use of a valuable asset as collateral to ...