SALT LAKE CITY — While national conversations about hacking attempts aimed at disrupting U.S. elections are ongoing, security experts raised red flags Monday about the 2020 Census and the U.S. Census Bureau’s failure to share details about keeping the effort safe from digital intruders.

The warnings carry extra heft with this version of the decennial effort as the population count is relying on technology at unprecedented levels, including allowing respondents to complete census forms online for the first time.