The latest healthcare hack appears to have been the website, federal officials confirmed last week. Hackers uploaded malware to a test server for the federal health insurance exchange.

The “internet increasingly is a swamp,” says Beth Israel Deaconess Medical Center CIO John Halamka in a recorded interview with Information Security Media Group, prompting the prominent CIO to focus in 2014 on what he calls “increased security maturity” throughout the healthcare enterprise.