Additional sources
https://www.fbi.gov/scams-and-safety/common-scams-and-crimes/internet-fraud
https://www.google.com/search?q=What+does+a+virus+do+to+your+computer
https://www.google.com/search?q=spam+virus+definition
https://searchmobilecomputing.techtarget.com/definition/Dropbox
https://www.ecommerce-nation.com/what-is-wetransfer-what-is-it-for-and-how-does-it-work/
https://en.wikipedia.org/wiki/Google_Drive
https://www.pcmag.com/encyclopedia/term/third-party-app
https://en.wikipedia.org/wiki/Access_token