May I ask who’s calling, please? A recent rise in VoIP DDoS attacks

Over the past month, multiple Voice over Internet Protocol (VoIP) providers have been targeted by Distributed Denial of Service (DDoS) attacks from entities claiming to be REvil. These multi-vector attacks combined both L7 attacks targeting critical HTTP websites and API endpoints, as well as L3/4 attacks targeting VoIP server infrastructure. In some cases, these attacks resulted in significant impact to the targets’ VoIP services and website/API availability. Cloudflare's network is able to effectively protect and accelerate voice and video infrastructure because of its global reach, sophisticated traffic filtering suite, and unique perspective on attack patterns and threat intelligence.

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