Welcome to the Voice of America's News Words.
Today's word is important in the debate about technology that hides data even from government investigators.
Apple and other tech companies want strong encryption to protect their customers. The FBI wants access to encrypted data to investigate serious crimes.
Encryption is a way to make digital information secure. It is meant to permit access only to those meant to receive a message or data. But, it can also prevent law officers from finding evidence of possible crimes.