http://abcnews.go.com/Technology/story?id=2160425 By DAN ARNALL ABC News July 6, 2006 The latest corporate data breach is from a company you may never have heard of, even though one in six American workers gets paid by the firm. Automatic Data Processing, one of the world's largest payroll service companies, confirmed to ABC News that it was swindled by a data thief looking for information on hundreds of thousands of American investors. According to a company spokeswoman, ADP provided a scammer with personal information of investors who had purchased stock through brokerages that use ADP's investor communications services. Initial reporting indicates that these firms include a number of brand-name brokers, including Fidelity Investments and Morgan Stanley. A Fidelity spokesman says the data breach compromised 125,000 of the 72 million active accounts at the brokerage. Morgan Stanley says 3,800 of its clients were affected. An industry source says Bear Stearns, Citigroup and Merrill Lynch also had account data leaked in the incident. A Merrill Lynch spokesperson refused comment. Calls to Citigroup and Bear Stearns have not been returned. A spokesperson for banking and financial services group UBS confirms that about 10,000 of its brokerage clients were among those whose data was disclosed. In a prepared statement, ADP spokeswoman Dorothy Friedman said the data thief exploited a Securities and Exchange Commission rule that allows public companies to get names and addresses of shareholders from brokers, as long as the shareholder has not objected to the disclosure of such information. The thief impersonated a corporate officer from a public company and got ADP to send the information. ADP refused to answer questions about its data security measures or why its existing policies did not prevent the data loss. ADP said that the loss, which occurred between November 2005 and February 2006, resulted in the "inadvertent disclosure" of investors' names, mailing addresses and the number of shares they held in certain companies. No Social Security numbers or brokerage account numbers were disclosed. "ADP notified federal law enforcement authorities promptly after its discovery of the problem in February 2006," said Friedman. "Shortly thereafter, ADP notified its broker clients. Law enforcement authorities are continuing to investigate the matter." Some customers whose personal data was compromised have received a letter from ADP. The three-page letter contains a list of 60 "affected companies," including HealthSouth and Sirius Satellite Radio among many smaller corporate names. "We have been advised that the information disclosed was not sufficient by itself to permit unauthorized access to your account, and we have no evidence that the information on the lists has been improperly used," reads the customer notification. "However, we recommend that you be alert to any unusual or unexpected contact or correspondence that you may have with the listed public companies (or with anyone else) about your holdings in these companies." The letter then goes on to encourage affected customers to consider contacting one of the national credit bureaus to discuss getting a fraud alert service. ADP says federal authorities are investigating the matter. Copyright © 2006 ABC News Internet Ventures _________________________________ Attend the Black Hat Briefings and Training, Las Vegas July 29 - August 3 2,500+ international security experts from 40 nations, 10 tracks, no vendor pitches. www.blackhat.com
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