Because the average investment account boasts a much larger balance that a typical checking or savings account, cybercriminals are particularly interested in hacking them. Financial institutions are largely responsible for ensuring the security of these accounts, but business customers and consumers also should adopt defensive measures. Here are five recommendations for how to protect your investment accounts from fraud. Select two-step authentication. Most financial service providers give customers the option of using a two-step verification process to prevent unauthorized access to their accounts. A two-step approach requires you both to log in to your account with a password and to verify your identity with, for example, a one-time code sent to your mobile phone. Choose complex and unique passwords. Criminals often gain access to bank...