Officials say Graham Clark, 17, masterminded the hack of accounts belonging to people like Barack Obama, Elon Musk, Joe Biden and Jeff Bezos.
The Twitter accounts of several prominent politicians, tech bigwigs and companies -- including Joe Biden, Barack Obama and Apple -- were hit in the attack.
Even if the platform deters another attack, the hack is a lightning rod for disinformation.
Barack Obama, Jeff Bezos, Kanye West, Michael Bloomberg, Apple and Uber were also targeted in the massive cryptocurrency scheme.
The pop diva's account was used to send crude messages about Eminem, along with racial slurs.
The president has pushed back against efforts to rein in his iPhone use in the past, according to reports.
Your boarding pass contains a lot more data than you might realize.
Government agencies warned that Russia, China, Iran and other U.S. adversaries will seek to meddle in future U.S. elections.
"I can sleep tonight better knowing I took my power back," she wrote on Twitter.
Even the smart TV and printer pose security risks.