On July 25, 2015, the Iranian hacker group Danger Security Team successfully hacked and defaced a large number of websites including ones in the U.S., Germany, the U.K, and Brazil. The team members who participated in the defacement included Nima Danger, KING.ADE75, Mehran_Flash, and wild.soldier.
Source: Irancybernews.org, July 25, 2015.