Veterans' health records may have been compromised after clinicians at a Chicago facility used cloud-based software hosted by Yahoo.com to maintain a calendar of patients without proper authorization, according to Veterans Affairs Department Chief Information Officer Roger Baker, who gave a monthly data breach report Tuesday, FierceGovernmentIT reports. Personally identifiable information for 878 veterans was listed on the calendar. --Listen to the audio of Baker's report, read the full FierceGovernmentIT article or read the full data breach report