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Update May 12, 2026
From this afternoon, Canvas will reopen in phases. Various checks and risk analyses that have been carried out in recent days give us sufficient confidence that Canvas can open safely. Functionalities within Canvas will be opened up in phases. The aim is to get Canvas back into full use as soon as possible. For all TIAS Canvas users, logging in via MFA applies. See page Login | TIAS Business School for more information about this.
Instructure has announced that it has reached an agreement with the hackers. Stolen data is said to have been returned and proof of destruction has been handed over. The threat of further spread seems to have decreased.
Update May 11, 2026
To ensure the security of our systems and data, Canvas will remain unavailable at least up to and including Tuesday 12 May.
Also check out the update of the Universities of the Netherlands of 11 May (in Dutch) for a substantiation of the decision not to open Canvas yet.
Update May 8, 2026
Last night, contrary to expectations, it became clear that Canvas was not yet sufficiently secured against hacker intrusions. As a precautionary measure, Canvas was therefore shut down last night until further notice. Although users with an active session may still be able to access Canvas, we request not to open or use Canvas until further notice.
We deeply regret this incident and are doing everything within our power to restore the situation to normal as quickly as possible. We will update you as soon as the status changes or additional information becomes available.
On May 4, a security incident was reported at Canvas developer Instructure. Instructure has confirmed that data of TIAS participants, faculty and staff has also been affected. In this message, you can read what this means for you.
What we know so far
Instructure has reported that there has been unauthorized access to part of its systems. According to them, the following data has been compromised:
Names of participants, faculty and staff
E-mail addresses
Student IDs
Messages between users
There are no indications that other personal or financial information has been stolen.
What this means for you
The data mentioned above may be used for phishing e-mails. We therefore ask you to be extra vigilant about suspicious messages, such as unexpected e-mails or e-mails requesting personal information.
Read how to recognize phishing: Recognize a phishing e-mail
Always be vigilant when you receive emails. Look at the sender first before replying to an e-mail or opening an attachment.
Canvas
It is good to know that logging in to and using Canvas remains safe. Passwords were not part of the data breach.
Next steps
All participants, faculty and staff have been informed. We are closely monitoring the situation and are working together with Tilburg University and Universities of the Netherlands to monitor the incident. We will continue to provide updates as soon as more information becomes available.
Concerns and support
Do you have concerns or would you like to talk about this? Please contact itservices@tias.edu for support and advice.