Shannon Sharp admits he was not hacked when his Instagram account went live during a sex act.

The Denver Broncos legend spoke openly about the shocking incident on his “Nightcap” show a few minutes ago … and he thinks it’s because he’s not very tech-savvy.

“Of course I’m ashamed of someone who is so private,” Sharpe said, adding that he is “disappointed” in himself — not for committing the act, but for the aftermath, particularly the impact it had on those around him.

As for internet speculation about the broadcast, Sharpe denied it was staged or a prank. He claimed he simply threw his phone on his bed and proceeded to make out with an unknown woman… and as fate would have it, all the right buttons were pressed to go live.

Sharpe’s co-host, Chad “Ochocinco” Johnson …and said his phone blew up so badly after it happened that he initially thought a family member had died.

Eventually, the two changed their tune and joked about the matter… with Sharpe even claiming he would keep his phone in the car before they had sex.

As we previously reported, Sharpe quickly became a hot topic on social media… after the Hall of Famer’s profile went live during an apparent sexual actShortly after, his page posted a story claiming his account had been hacked.