Facebook CEO Mark Zuckerberg discussed the threats made against him by an ISIS supporter group during an interview in Berlin last week.
Zuckerberg was in Berlin to receive the first ever Axel Springer Award in Berlin.
A propaganda video released a few days before the Berlin interview by pro-ISIS hackers threatened the founders of Facebook and Twitter, which have been shutting down social media accounts affiliated with the terror group.
ISIS is known to use social media to recruit members and convey its message during attacks.
The video, posted Feb. 23 by the "Sons Caliphate Army," shows bullets riddling the photos of Facebook chief Mark Zuckerberg and Twitter CEO Jack Dorsey.
Deep-web analysts from Vocativ first spotted the video on Telegram, a social media site reported to be popular with ISIS supporters.
The amateur video claims to have hacked more than 10,000 Facebook accounts, 150 Facebook groups and 5,000 Twitter profiles, saying ISIS supporters would take over many of those accounts.
At the end of the video, the narrator addresses Zuckerberg and Dorsey directly, taunting them and warning the CEOs that ISIS supporters will hack 10 accounts for every one that Twitter and Facebook close. The video also threatens to delete the sites altogether.
Zuckerberg received threats from a Pakistani extremist a few years ago because Facebook refused to ban content about Mohammed that offended him.
"I think the bigger issue is that what Facebook stands for in the world is giving people a voice and spreading ideas and rationalism," Zuckerberg told Döpfner.
In a Facebook post last year following the Paris terrorist attacks, Zuckerberg said he is “committed to building a service where you can speak freely without fear of violence.”
Twitter, the terror group's main social media platform, suspended 125,000 accounts earlier this month that allegedly threatened or promoted terrorist acts, primarily related to ISIS.
"Our North Star is that we want to give the most voice possible to the most people," Zuckerberg said in the interview. "We work closely with governments and local organizations to be certain we are applying [standards] appropriately for local conditions and to identify and remove hateful or threatening content."
Zuckerberg, a new dad, also talked about the future of virtual reality — something Facebook is investing in — and shared parenting tips, including diaper-changing tricks.