<p>Many Illinois colleges and schools are scrambling after the online learning platform Canvas went offline Thursday following a cyberattack on its parent company.</p><p>The shutdown forced the University of Illinois Urbana-Champaign to postpone all final exams and assignments scheduled for Friday, Saturday and Sunday, <a class="Link" href="https://massmail.illinois.edu/massmail/277104776.html" target="_blank" ><u>leaders told students in a message</u></a> sent Thursday night.</p><p>Thousands of K-12 school districts and colleges use Canvas nationwide, including U. of I. and Northwestern University, to manage classes, post assignments and communicate with students.