Vietnam is particularly bad with breaches. For about 25 cents you can send a telegram bot a phone number and it will immediately reply with DOB, ID number, Home Address, Facebook profiles, Instagram profiles. I know this because everyone gets a freebie and I tested it out. For most twenty-somethings people's home address in the leaks are their parents home in the countryside. It's a security nightmare for any girl, especially when they leave parcels containing name & phone number in the mailrooms of condo towers.