Karen Hao

Tech Fellow

Karen Hao covers technology for Quartz. She previously wrote about climate and the environment for Mother Jones and Sierra Magazine. Prior to entering journalism, she was an application engineer at Flux.io, a Google X spinoff for urban sustainability. Karen has a degree in mechanical engineering from MIT. She is obsessed with social impact tech, cities, and sustainability.

The complete guide to the Equifax breach

An investor sleeps on a bench in front of an electronic board showing stock information at a brokerage house in Huaibei, Anhui province May 9, 2012. China shares produced its worst loss in six weeks on Wednesday, hit by weakness in growth-sensitive sectors on jitters that a possible delay to the start of the country's five-yearly congress could complicate economic recovery. The green figures on screen indicate falling prices.

Every day brings new details—and questions—about the Equifax breach that exposed the personal information of millions of customers to hackers. It can be hard to…

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