Distributed Denial of Service (DDoS) attacks were analyzed in a recent report by Zayo Group Holdings. According to the report, the global landscape of increasing digitization, political unrest and the emergence of widespread adoption of work-from-home have all contributed to an increase in DDoS attacks, which jumped 200% in H1 2023 compared to the full year 2022.

There was a 314% increase in overall attacks from the first half of 2022 to the first half of 2023. In some industries, the growth was over 1,300%. According to the report, there was a 387% increase in attack activity from Q1 to Q2 of this year alone.

Education, which had the highest frequency of attacks in the first half of 2022, was just behind the telecommunications industry. Cloud and Software as a Service (SaaS) companies also saw a significant increase in the frequency of attacks from the first half of 2022 to the first half of 2023.

Retail, telecommunications and media companies experienced the largest attacks, with an average attack size of 3 Gbps across all three verticals. The largest aggregate attack, against the telecom sector, was 978Gbps.

The government sector experienced the longest attacks of any sector, a change from healthcare in 2022. Across all industries, the average duration of attacks increased by 216% from Q1 to Q2, with the finance industry seeing the largest leap from 41 minutes to 108 minutes.

Read the full report here.