A message that appears to be a harmless mix-up can be the start of something much more costly. The warning centers on so-called "accidental" texts. The message may sound casual and believable, such as ...

Most of us have probably received a text from someone we don't know at one point. Sometimes, the "Oops, wrong number" might be an attempt to scam you, as in February ...

22. This wrong text is from a guy who was given a fake number for reasons that become obvious very quickly: ...