This report highlights a dramatic increase in DDoS attacks in 2025, with a record 47.1 million incidents, primarily driven by the Aisuru-Kimwolf botnet. The final quarter saw significant growth in both the frequency and intensity of attacks, particularly affecting the telecommunications sector. Hong Kong and the UK emerged as key targets, with Bangladesh leading as the top attack source.

Cloudflare reported mitigating a massive DDoS attack that peaked at 7.3 terabits per second, marking one of the highest levels of DDoS activity recorded. The attack targeted multiple sectors and demonstrates the ongoing challenges organizations face in protecting against such threats. Cloudflare's infrastructure played a critical role in successfully mitigating this unprecedented assault.