Misinformation
When something false or misleading is shared but no harm is intended.
Example: Sharing an inaccurate quote on social media because you believe it to be true.
Disinformation
When false or misleading information is knowingly shared to cause harm. The information is sometimes altered or even entirely fabricated.
Example: Sharing a 2012 video from Russia of apparent voter fraud and claiming it was filmed during the 2020 election in the U.S.