"We face a real threat from radicalised individuals here in the United States.
Whether it's a shooter at a Sikh Temple in Wisconsin, a plane flying into a building in Texas, or the extremists who killed 168 people at the Federal Building in Oklahoma City, America has confronted many forms of violent extremism in our history," Obama said yesterday.
"Deranged or alienated individuals -- often US citizens or legal residents -- can do enormous damage, particularly when inspired by larger notions of violent jihad.
"So that's the current threat -- lethal yet less capable al-Qaeda affiliates; threats to diplomatic facilities and businesses abroad; homegrown extremists.
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This is the future of terrorism. We have to take these threats seriously, and do all that we can to confront them.
But as we shape our response, we have to recognise that the scale of this threat closely resembles the types of attacks we faced before 9/11," Obama said.
"This threat is not new, but technology and the Internet have increased its frequency and lethality.
To address this threat, the President's Administration did a comprehensive review in 2011.
The best way to prevent violent extremism is to work with the American Muslim community, which has consistently rejected extremism," it said.
"Our communities must work together to understand the signs of radicalisation, and partner with law enforcement when an individual is drifting towards violence.