Security News > 2021 > April > DDoS attack activity: 10 million-plus attacks and 22% increase in attack frequency

Netscout announced findings from its bi-annual Threat Intelligence Report, punctuated by a record-setting 10,089,687 DDoS attacks observed during 2020.

Attackers paid particular attention to vital pandemic industries such as e-commerce, streaming services, online learning, and healthcare generating a 20% year-over-year increase in attack frequency over 2019 plus a 22% increase in the last six months of 2020.

The number of enterprise respondents reporting DDoS extortion attacks increased by 125%. Overloaded firewalls and VPN concentrators, crucial technologies used during the pandemic lockdown, contributed to the outages in 83% of the enterprises that suffered DDoS attacks.

Threat actors increased their DDoS onslaught due to the pandemic lockdown; monthly DDoS attacks exceeded 800,000 in March and never looked back, representing a new normal for DDoS attack activity.

On average, there were 839,083 attacks per month in 2020, an increase of nearly 130,000 attacks over 2019.

Commonly Used UDP-based DDoS attack vectors fueled attack increases.

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