In February 2013, Mandiant released a 74-page report, APT1, that told the story of a professional cyber-espionage group. It made headlines around the world in such mainstream publications as The Wall St Journal and The New York Times. A year after the report came out, I wrote that it made our industry stronger by encouraging — if not forcing — information sharing. I also said that the report was a piece of brilliant marketing. Gal Shpantzer, John Prisco, Martin McKeay, Lance James, and I discussed what we thought.”]
Source: https://www.darkreading.com/advanced-threats/one-year-later-the-apt1-report