The data hub President Obama‘s health care team is creating to exchange personal health and financial information on Obamacare users will be a ripe target for computer hackers and identity thieves, charge critics who claim it hasn’t been tested for security flaws.

“It’s the greatest collection of private identification information ever assembled on Americans that will be put into one place,” said Rep. Patrick Meehan, who chairs a House cybersecurity subcommittee. “It is every bit of sensitive information one would need to know to completely take over the identification of a person,” said the Pennsylvania lawmaker.