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DigiCert revokes 60 code signing certificates after hackers used a malicious support chat attachment to sign the Zhong Stealer malware.
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An ongoing data extortion attack targeting the widely-used education technology platform Canvas disrupted classes and coursework at school districts and universities across the United States today, after a cybercrime group defaced the service’s login page with a ransom demand that threatened to leak data from 275 million students and faculty across nearly 9,000 educational institutions.
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ShinyHunters hackers defaced the official Canvas LMS portal after breaching Instructure systems, disrupting university access worldwide.
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ShinyHunters breached Instructure and Vimeo, exposing millions of student and user records through direct and supply chain attacks.
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A Brazilian tech firm that specializes in protecting networks from distributed denial-of-service (DDoS) attacks has been enabling a botnet responsible for an extended campaign of massive DDoS attacks against other network operators in Brazil, KrebsOnSecurity has learned. The firm’s chief executive says the malicious activity resulted from a security breach and was likely the work of a competitor trying to tarnish his company’s public image.
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A hacker using the alias “Xorcat” claims to have breached Polymarket using API flaws, but research suggests the leak could be just data scraping incident.
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ShinyHunters has leaked data linked to Udemy, Zara, and 7-Eleven, with claims of exposed Salesforce records and cloud-based systems.
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French police arrest HexDex hacker, a 20-year-old suspect accused of mass data theft and leaks targeting government, sports groups, and firms.
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Anthropic is investigating a vendor breach after a Discord-linked group accessed its Claude Mythos AI model, with no evidence of impact on core systems.
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