Marriott said more than 500 million Starwood hotel guests had their information stolen in the largest data breach in the U.S. since Yahoo.
Several car makers are transmitting data from their vehicles to China’s government, including drivers’ location.
Google led a collaborative effort to take down a fraudulent advertising ring made up of more than 1 million compromised IP addresses.
Republican’s House election committee said they were hacked in the run-up to the midterm elections earlier this year.
Online anonymous Q&A website Quora says more than 100 million users may have had their account information compromised as part of a hack.