In a blog post earlier this week, Security Fix examined the crucial role of “money mules” — people in the United States who are willingly or unwittingly recruited to help cyber fraudsters steal money from businesses. In this column, we’ll peer a bit deeper into how mules are recruited, and how they often communicate with their employers. Security Fix interviewed one of the mules hired to receive money from Sanford School District, a small school system in Colorado that was robbed of $117,000 last month when hackers used the district’s online banking credentials to send sub-$10,000 payments to this mule and 16 others. The mule I spoke with said she was hired by a company called the Scope Group Inc., which claimed to be a nearly 20-year-old investment firm operating out of New York. The Scope Group did not return e-mails seeking comment, but there is no listing for a