Verb
embezzle - To secretly take money that is in your care or that belongs to an organization or business you work for

The accountant was convincted of having embezzled money from the company, people were surprised that he had been doing it for 10 years before it was discovered.
encrypt - To protect private information by putting it into a form that can only be read by people who have the permission to do so.

Even though the Germans encrypted their messages with a complex Enigma code, Alan Turing and his team were able to figure it out.