Insurers see increased hacker attacks.(Reporter's Notebook)

Insurers and other financial institutions are reporting more than twice as many security attacks on information technology systems as they did a year ago, according to a survey by Deloitte & Touche. In the New York-based consulting firm's 2004 Global Security Survey, 83 percent of survey respondents said that their systems had been compromised in the past year, compared to 39 percent in 2003. In addition, 40 percent of the respondents whose systems were attacked said that they had sustained financial losses.

Outside intrusions were more common than those from the inside