Canvas, the education platform hit by a global data breach affecting 72,571 Hongkongers, has reached an agreement with the hackers to return all compromised data.Instructure, the parent company of Canvas, has said it would hold a webinar for its leadership on Wednesday to provide details of the attack and discuss measures to “harden the system”.The breach, which has been unfolding since last Thursday, is estimated to have affected about 9,000 institutions worldwide.In a statement on its...