1. The document discusses various types of ATM fraud including fake keypads, card skimming, PIN compromise, cash trapping, and transaction reversal.
2. Fake keypads and card skimmers are used to steal card information and PINs. PINs can also be compromised through shoulder surfing and hidden cameras.
3. Cash trapping involves trapping cash inside the ATM using a false presenter. Transaction reversal fraud makes withdrawals appear uncredited to re-credit the account and steal the cash.