means an institution of higher education described in section 371(a) of the Higher Education Act of 1965 ( 20 U.S.C. 1067q(a) ). (10) Online platform The term online platform means any public-facing website, web application, or digital application, including a mobile application, and includes a social network, an ad network, a search engine, or an email service. (11) Personally identifiable information The term personally identifiable information means any information about an individual elicited, collected, stored, or maintained by an agency, including the following: (A) Any information that can be used to distinguish or trace the identity of an individual, such as a name, a social security number, a date and place of birth, a mother’s maiden name, or biometric records. (B) Any other information that is linked or linkable to an individual, such as medical, educational, financial, or employment information. (12) Secretary The term Secretary means the Secretary of Homeland Security. (13) Tribally controlled college or university The term tribally controlled college or university has the meaning given such term in section 2 of the Tribally Controlled Colleges and Universities Assistance Act of 1978 ( 25 U.S.C. 1801 ). I Federal Efforts Against Domestic Terrorism 101. Joint domestic terrorism report (a) Annual report required Not later than 180 days after the date of the enactment of this Act and annually thereafter for five years, the Secretary, the Attorney General, and the Director shall submit to the Comptroller General of the United States and the appropriate congressional committees a joint report on domestic terrorism. (b) Contents (1) In general Each report submitted under subsection (a) shall include the following: (A) All guidance, policy memos, and related documents regarding the following: (i) The criteria for opening a domestic terrorism investigation, including any standards of proof required before opening such investigation. (ii) Sharing of domestic terrorism information across law enforcement