Online banking has been steadily growing over the past decade. Almost every bank worldwide is offering online banking services to retail customers. According to Forrester, online banking adoption in the US will grow by 55% to roughly 72 million households by 2011. By then, 76% of online households will bank online. The growth in online banking adoption in the US also comes from the younger Generation Y, which grew up with the internet and already shops online confidently. But how secure is online banking? Are our financial transactions at risk due to man-in-the-middle attacks? What are man-in-the-middle attacks and how can banks protect themselves and their clients?