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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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Cybersecurity researchers at Fortinet have discovered Nexcorium, a new Mirai-based malware targeting TBK DVR systems to turn them into a botnet for DDoS attacks.
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Mirai malware evolves into hundreds of variants, driving botnet growth, including Aisuru and KimWolf, powering large-scale attacks, and increasing risks to vulnerable IoT devices worldwide.
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RondoDox hackers exploit the React2Shell flaw in Next.js to target 90,000+ devices, including routers, smart cameras, and small business websites.
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