thenextweb.com — Update: LinkedIn has responded to the issue, updating its official Twitter account to state that it is "looking into reports." Scroll down for more information. Already in the spotlight over concerns that its iOS app collects full meeting notes and details from a device's calendar and sends them back to the company in plain text, LinkedIn user accounts are now said to have been compromised, with 6.5 million hashed and encrypted passwords reportedly leaked.