Phishers Gain Access to 23 L.A. County Department of Health Services Email Accounts. Los Angeles County Department of Health Services’ employees were targeted in a recent phishing campaign, and almost 2,800 Catholic Medical Center patients Los Angeles County Department of Health Services has confirmed that 23 employee email accounts were compromised in a phishing attack, and 2,800 Catholic Medical Center patients have been affected by a data breach at one of its vendors. Los Angeles County Department of Health Services’ employees were targeted in a recent phishing campaign, and almost 2,800 Catholic Medical Center patients have been affected by a data breach at one of its vendors. Third-party company: Lamont Hanley & Associates.