Sensitive financial and health data belonging to millions of veterans and stored on a benefits website is at risk of being stolen or otherwise compromised, according to a federal employee tasked with cybersecurity who was recently fired as part of massive government-wide cuts. The warning comes from Jonathan Kamens, who led cybersecurity efforts for VA.gov — an online portal for Department of Veterans Affairs benefits and services used by veterans, their caregivers and families. “I think they’re going to be lacking essential oversight over cybersecurity processes for VA.gov.”