Career network LinkedIn: data of millions of users offered for sale on the network

According to a report, data on more than 500 million LinkedIn users is circulating on a hacker forum. The platform appeases: It is not a data leak in the strict sense.

A few days after information on around 533 million Facebook members was discovered on the web, a hacker forum is again offering a data set with allegedly half a billion user data. The seller claims that the information comes from the career network LinkedIn, as reported by the specialist portal "Cybernews".

LinkedIn stressed after an investigation on Friday night that it was not a data leak. As far as could be investigated so far, no private data had been stolen from accounts. Rather, only publicly available information had been tapped and compiled into the data set for sale, the company, which has been part of the Microsoft Group since 2016, said.

According to "Cybernews," the seller of the alleged LinkedIn data will initially post only two million records online and auction off the full package. LinkedIn confirmed in media reports only that data from its platform was offered for sale. The company, on the other hand, gave no indication that a total of half a billion accounts were affected, according to "Cybernews."

Data theft through automated queries

Basic information such as full name, e-mail address, telephone number, date of birth and city of residence is often used by online networks to clearly identify friends and acquaintances. They are usually not visible to other users, but can be compared via computer interfaces. Criminals have repeatedly found ways to tap such information on a large scale via automated queries with so-called scraping. The platforms are taking action against this - but once the data is in circulation, its spread is almost impossible to stop.

According to the online network, the phone numbers and email addresses of 533 million Facebook users discovered over the weekend were captured by misusing the friend search function before the platform closed a corresponding loophole in the summer of 2019.

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