Former President Obama says that if Republicans were truly concerned about the security risks posed by former Secretary of State Hillary ClintonHillary Diane Rodham ClintonDershowitz to The Atlantic: Do not violate Constitution to safeguard it Why Joe Biden (or any moderate) cannot be nominated GOP Rep. Tom Marino resigns from Congress MORE's private email server, "they'd be up in arms" over reports that President TrumpDonald John TrumpTrump directed Cohen to lie to Congress about plans to build Trump Tower in Moscow during 2016 campaign: report DC train system losing 0k per day during government shutdown Senate Republicans eye rules change to speed Trump nominees MORE is still using unsecured iPhones.

“In the last election it was Hillary’s emails. ‘This is terrible.’ ‘Hillary’s emails!’ We were hearing Hillary’s emails everywhere,” Obama said Friday at a campaign rally in Milwaukee.

"They didn't care about emails. And you know how you know? Because if they did, they'd be up in arms right now as the Chinese are listening to the president's iPhone that he leaves in his golf cart,” he continued. “It turns out, I guess it wasn't that important.”

ADVERTISEMENT

The New York Times reported Wednesday that Russia and China are eavesdropping on Trump’s personal phone, which he still uses despite repeated requests from national security officials that he stick to more secured landlines.

A day later, NBC News reported that officials are increasingly concerned that Trump is using unsecured cellphones to discuss sensitive matters with informal advisers.

Trump pushed back against the Times's report on Thursday, calling it “soooo wrong” in a tweet.

Obama made his remarks while headlining a campaign rally for Wisconsin state Superintendent Tony Evers, who is running to unseat Republican Gov. Scott Walker, and Democratic Sen. Tammy BaldwinTammy Suzanne Baldwin116th Congress breaks records for women, minority lawmakers Kyrsten Sinema swears in to Congress using copy of Constitution instead of religious book Dems say Trump is defying court order by pushing abstinence programs MORE, who faces GOP challenger Leah Vukmir.