According to the tweet of Hacker he claimed to hack the Harvard University website (http://www.harvard.edu/) easily and leak lots of personal details from the website includes student ID’s, names of teachers & students and there is admin user passwords as well.
In a chat Hacker said that he doesn’t have any protest related to this hack, he also stated that “I did this for this so they could see that the website is not safe. They endanger student’s info keeping it so unsafe. “
About Harvard University (Wikipedia)
Harvard University is an American private Ivy League research university located in Cambridge, Massachusetts of United States. It was established in 1636 by the Massachusetts legislature. Harvard is the oldest institution of higher learning in the United States.