LinkedIn(s lnkd) is urging people to stay away from Sell Hack, a sinister-sounding service that reveals the personal email address of anyone with a profile on the professional network. LinkedIn is warning that the service’s “Hack In” tool uploads confidential information, and says it has sent Sell Hack a cease-and-desist letter.
Sell Hack is marketing the “Hack In” button to salespeople looking to reach new prospects. The company’s website claims that people who install its plug-in will be able to use the button to view the email contact of LinkedIn members with whom they’re not connected, such as LinkedIn CEO Jeff Weiner:
The tool apparently works. Yahoo Tech, which first reported the story, posted screenshots of the “Hack In” button to show how it was easy to obtain the personal email of the “Princeton Mom.”
LinkedIn is not impressed. In an email statement, a spokesperson said the company sent Sell Hack a legal warning over “several violations.” It also cautioned its users:
We advise LinkedIn members to…
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