Q4 in review: The latest DDoS attack vectors
This resource is published by Cloudflare
2021 witnessed massive DDoS attacks that demonstrate a trend of intensifying cyber insecurity that affected a broad range of industries, from tech firms and government organizations to wineries and meat processing plants. The fourth quarter of 2021 capped a record year in terms of the frequency, geographical distribution, and sophistication of DDoS attacks.
Here are some DDoS attack trends and highlights from 2021 and Q4 ’21 specifically:
- Ransom DDoS attacks: In Q4 ’21, ransom DDoS attacks increased by 29% YoY and 175% QoQ
- The manufacturing industry was the most attacked in Q4 ’21, recording a whopping 641% increase QoQ in the number of attacks
- Q4 ’21, and November specifically, recorded a persistent ransom DDoS campaign against VoIP providers around the world
- Attacks originating from Moldova quadrupled in Q4 ’21 QoQ, making it the country with the highest percentage of network-layer DDoS activity
To learn more about the trends from the last quarter of 2021, download this report.