The text may have urgent language or appear from a legitimate source. That's by design, and it could be to your detriment.

Officials are warning D.C.-area residents about toll scams, which see individuals alerted via text about outstanding balances from fraudulent companies.

The latest FBI warning includes toll scams, but adds bogus messages from package delivery companies, Forbes reports. The tactic is known as “smishing” — a combination of “SMS (Short Message Service ice) and “phishing” — and it uses text messages to trick people into giving out sensitive personal information.