Canvas Breach Disrupts Schools & Colleges Nationwide

Multiple high-impact cyber incidents reported: a widespread data-extortion attack against Canvas defaced its login page and threatened to leak data for ~275 million students and staff across ~9,000 institutions; a Brazilian anti‑DDoS firm was implicated in enabling a botnet used to attack ISPs; and U.S./allied authorities dismantled four large IoT botnets (Aisuru, Kimwolf, JackSkid, Mossad) that compromised ~3 million devices. Nation‑state and state‑linked activity includes Russian military‑linked actors harvesting Microsoft Office authentication tokens by exploiting older router flaws on >18,