Caller: A young male with an Indian accent who said he was from Visa

He wanted to enquire about two transactions, one on eBay and the other a foreign transaction, $300 and $1,300. When I said I'll phone my bank and asked for his number to phone him back, he said we're on the internet and hung up. Much later, when I phoned the mobile, it rang and the message response was that it was Harry's phone. I was surprised to see a number come in and have no idea who Harry is. Not expecting any calls from anyone called Harry.