Bob received this text message on his mobile phone: “Hello, this is Scott Smelby from the Yahoo Bank. Kindly contact me for a vital transaction on: scottsmelby@yahoo.com”. Which statement below is true? 

This is a scam as everybody can get a @yahoo address, not the Yahoo customer service employees. 

This is a scam because Bob does not know Scott. 

Bob should write to scottmelby@yahoo.com to verify the identity of Scott. 

This is probably a legitimate message as it comes from a respectable organization.