evidence: Pressing the "CANCEL" Button Twice Will NOT Prevent ATM thefts? Find Out the Facts... [...] Cyber Security expert Asela Waidyalankara also stated that such a method of pressing the "CANCEL" button twice is not a way to ensure that ATM thefts would not happen. People are also advised not to write their ATM PINs on paper or cards. [...] According to our investigation, we found out that pressing the "CANCEL" button two times before entering a credit/debit card does NOT prevent ATM thefts from happening. So, the viral social media claims are false and misleading.