A cybersecurity breach on the firm behind the Canvas studying administration system used extensively throughout larger training establishments grew right into a widespread outage Thursday that left college students and college at dozens of California campuses locked out of a necessary platform used to entry coursework, readings and assignments throughout finals preparations.
The disruption at Instructure follows a breach disclosed final week through which a hacker group claimed it stole lots of of tens of millions of data tied to college students and workers at roughly 9,000 faculties within the U.S., Australia and Europe. The group ShinyHunters — which beforehand has claimed to be behind hacks of Ticketmaster and AT&T — is taking credit score.
On Thursday, California college students making an attempt to log into Canvas as an alternative obtained a message in white writing in opposition to a black backdrop:
“If any of the colleges within the affected checklist are interested by stopping the discharge of their information, please seek the advice of with a cyber advisory agency and get in touch with us privately at TOX to barter a settlement. You might have until the tip of the day by 12 Might 2026 at first is leaked.”
A UC Berkeley pupil shared a screenshot of the menace with The Occasions. By night, the scholar mentioned the login course of was up to date to redirect customers to a web page that mentioned Canvas was “present process scheduled upkeep.”
A message from a gaggle that claimed to have breached Instructure, the corporate behind Canvas, when a UC Berkeley pupil tried to login Thursday.
(Erin Rogers)
On its web site, Instructure mentioned Thursday afternoon that it had put Canvas “in upkeep mode.”
“We anticipate being up quickly, and can present updates as quickly as potential” the corporate mentioned.
On Wednesday the agency mentioned Canvas was “absolutely operational and we aren’t seeing any ongoing unauthorized exercise” after the assaults. The message mentioned that the breach concerned “names, e-mail addresses, and pupil ID numbers, in addition to messages amongst customers,” however not passwords, dates of beginning, monetary info or “authorities identifiers.”
An Instructure spokesperson didn’t reply to a request for added remark.
In California, the results of the breach rippled throughout the state’s largest private and non-private establishments inside hours Thursday.
Messages despatched to campus communities on the College of California, California State College, Stanford College and the Los Angeles Group School District mentioned college students, employees and college have been affected. USC additionally mentioned it was working with affected college students. The tech failures didn’t occur concurrently. Many colleges advised lecturers and college students to keep away from logging into Canvas.
It was unclear whether or not public faculty districts in California, a few of which additionally use Canvas, have been affected. The shutdowns appeared to hit California later than different universities and faculties elsewhere within the nation. Public faculty districts in Utah and North Carolina reported outages earlier this week. Nationally, campuses together with Harvard, Duke and the College of Pennsylvania reported comparable outages.
As of Thursday night, not one of the California schools indicated they knew of personal pupil, college or employees information that was compromised.
UC officers mentioned that Canvas would “not be restored till we’re assured the system is safe.” An announcement posted on-line Thursday night mentioned all campuses have been advised to “briefly block or redirect Canvas entry.”
At UCLA, the school-branded model of Canvas, Bruin Study, was working usually within the morning earlier than college students mentioned they have been locked out by noon.
Titilope Olotu, a junior double-majoring in biology and girls and reproductive well being, mentioned she used Bruin Study to entry and full a quiz earlier than her 8:30 a.m. class. By early afternoon, she may now not discover her course supplies.
“Oh my gosh, it’s so regarding. Virtually each single particular person I do know has been speaking about it,” Olotu mentioned. She mentioned that she had a marine biology task due Friday and a midterm Monday in an evolutionary medication course, and that she had not saved the readings offline, making for “a anxious morning.”
Sherry Zhou, a senior majoring in political science and communications, mentioned the timing was tough with main assignments due and lots of professors utilizing Canvas to share readings and slide decks.
“I’m really in school proper now and have a paper due tonight that I in all probability should flip in late as a result of we’ve no entry to the studying/course supplies proper now,” she mentioned in a textual content message, referring to a digital humanities task price 1 / 4 of her ultimate grade. By late afternoon, Zhou mentioned she was relieved that her professor provided extensions and promised to share supplies by way of one other channel if Canvas was nonetheless down Friday
In an all-campus message late Thursday, UCLA officers mentioned that they had “proactively disabled native entry to Bruin Study out of precaution” whereas Instructure handled the outage.
At UC Berkeley, a campuswide message urged customers to not log into Canvas. If logged in, they have been advised to shut tabs “instantly with out clicking any hyperlinks.” The e-mail, signed by Vice Provost for Undergraduate Schooling Oliver M. O’Reilly and Chief Info Officer Tracy Shinn, mentioned the cyberattack was “impacting establishments and customers globally.”
“Campus officers are exploring different paths for college kids and employees to entry wanted info. We acknowledge this important disruption impacts educating and studying throughout campus. College students ought to await directions from their instructors relating to short-term preparations for submitting assignments and accessing course supplies,” O’Reilly and Shinn wrote.
CSU officers wrote in a systemwide replace that Canvas was down throughout all 22 campuses and on the chancellor’s Lengthy Seaside workplace. The message mentioned that the state of affairs was “fluid” and that officers have been working with Instructure to find out the complete scope of the outage.
A Stanford campus discover additionally mentioned the system was down, including that “we shouldn’t have an estimated time of service restoration.
In an announcement, USC mentioned that it was “working with the scholars and college in packages affected by the Canvas situation. We’ll proceed to watch this example and hold our college students and college up to date.”
The Los Angeles Group School District mentioned its 9 campuses have been hit. Patrick Luce, the district’s chief info safety officer, mentioned in a Thursday message to workers that college students and college had begun seeing screens in Canvas claiming the attackers had stolen LACCD information, and instructed anybody logged in to sign off instantly.
“There may be at present NO EVIDENCE that LACCD’s inner methods have been compromised,” Luce wrote.
Occasions employees writers Terry Castleman and Lee Rogers contributed to this story.












