Online trading company Scottrade has warned its customers that data thieves compromised the systems of its electronic checking provider last month, resulting in a major leak of personal information. The financial services company said in a statement dated November 11 that its eCheck Secure service provider TROY Group had acknowledged being compromised. However, at least some Scottrade clients did not get a notice about the breach until last week, according to posts on FatWallet. "On October 25, 2005, Troy Group ... reported to us that a computer hacker had compromised its eCheck Secure servers