The messages along with court records reveal new details about the hacking campaign, including that thousands of individuals and companies were targeted and at least some of the attacks resulted in the hackers successfully gaining access to the private accounts of the victims and obtaining their passwords. Among the targets was the Rockefeller Family Fund, a charity created by some of the heirs of John D. Rockefeller, who founded Exxon’s forebear Standard Oil. The fund has for years been involved in campaigns arguing that Exxon hid from the public the full extent of what it knew internally about climate change and the role fossil fuels played in causing it.