Your data is absolutely secure and no one will be able to accsess it. In fact to ensure privacy and confidentiality of the owner the number is also not displayed on the tag.
Every dog needs a wag tag to ensure its safety. A wag tag will help your pet to reunite with you in case of any unfortunate and unforeseen circumstances. The unique id on the tag will help the finder to contact you while maintaining confidentiality of your information.