This information is actually from law enforcement who specializes in fraud investigations. What he told me had inspired me to make this post because I believe everyone should know this.
The electronic keys used by most hotels; pictured above actually have more programmed into the magnetic strip than you think.
Programmed along with access to your hotel room is your personal information and your credit card information.
So for your security; please do not turn your key into the front desk during check out.
KEEP AND DESTROY!
People are capable of taking your keys and reading the information stored.
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Stay Safe and Thank You for reading