DDoS attacks soared to new highs in 2021

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The web infrastructure and CDN provider Cloudflare has released its DDoS Attack Trends for Q4 2021 report highlighting the steep increase in DDoS attacks last year.

The first half of 2021 saw massive ransomware and ransom DDoS attack campaigns that interrupted aspects of critical infrastructure worldwide and a vulnerability in Kaseya’s IT management software that was exploited to target schools, the public sector, travel organizations and credit unions. Meanwhile, the second half of the year saw the rise of a new botnet called Meris, record-breaking HTTP DDoS attacks and network-layer attacks observed over the Cloudflare network.



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