The Brief

PHOENIX - "Do you have a second to chat?" or "Any plans today?" are just a few examples of recent spam messages which are now designed to make you think the sender simply has the wrong number.

What they're saying:

Tim Roemer, a former head of the Arizona Department of Homeland Security and now chief security officer at Scottsdale-based GMI , warns that these messages are not friendly.

"I warn everybody, don't respond to these. Don't click on anything. Don't believe it," Roemer said.

Spam texts and calls are becoming more frequent. One Arizona State University student said they "just deleted a bunch" off their phone, while another said they get "five or six" a day.

While some are obviously fake, like those impersonating UPS or toll agencies, many messages have beco

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