In the wake of widely publicized security compromises at AOL and AT&T, a study released Aug. 28 by privacy management research company Ponemon Institute finds that only 37 percent of IT professionals believe their company is effective at detecting data breaches. Citing a lack of resources and high product costs as barriers to preventing data leakage, respondents were <A HREF="http://www.eweek.com/article2/0,1895,2010325,00.asp?kc=EWNAVEMNL083106EOAD">uncertain about their company's ability</A> to discover breaches of confidential information. Only 43 percent believed that their company would detect a large breach (involving more than 10,000 customer records) more than 80 percent of the time. 17 percent of respondents felt their company would correctly detect a small data breach (involving less than 100 customer records) more than 80 percent of the time.