Instructure confirmed a significant data breach affecting the Canvas learning platform, leading to nationwide service outages at major US universities.Stolen data includes names, emails, and student ID numbers, prompting warnings against phishing attempts from schools like Harvard and Stanford.The hacker group ShinyHunters claims responsibility for the attack and threatens to release more information unless a settlement is reached with the affected institutions.Technical teams are currently deploying security patches while investigating the full extent of the exposure following reports of ransom messages encountered by users.