A former MasterCard vice president of product shared her tips for avoiding account takeovers after almost falling victim to one.Peter Dazeley/Getty ImagesA former Mastercard executive almost lost $100,000 to an account takeover scam.Scammers accessed her real-estate agent's email and impersonated a title company.Account takeover fraud surged 354% in 2023, causing $13 billion in losses, researchers say.It can happen to anyone, it seems.