LinkedIn employees discovered a mysterious list of around 500 names over the weekend. On Monday, workers said those on the list were laid off.

• Some workers at LinkedIn found their names on an internal list a day before they were laid off.
• Two workers told Insider the list caused a stir as workers tried to figure out if they were on it.
• LinkedIn announced it had laid off more than 600 employees on Monday.

Some LinkedIn workers worried they were about to be laid off after a mysterious internal list of about 500 employees was discovered to be accessible by anyone at the company.

Hours later, workers who had seen their name on the list had their worst fears confirmed — they were laid off, two LinkedIn workers told Insider.