Threat Report (Archive)

The DDoS Chronicles 2H2020: South Korea

NETSCOUT Infographics

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14% 64% 10% 11% South Korea As the COVID-19 pandemic triered a massive shift in internet usage, cybercriminals quickly pounced, launching more than 10 million DDoS attacks aimed at crippling the very online services essential to remote work and online life. Vital pandemic industries such as ecommerce, streaming services, online learning, and healthcare all experienced increased attention from malicious actors, including those behind the Lazarus Bear Armada campaign of DDoS extortion attacks that hit thousands of companies worldwide. As the COVID-19 pandemic extends into 2021, we can logically expect to see threat actors targeting vulnerabilities exposed by the global crisis as well as discovering and using new attack vectors that poke at the weak spots of our new normal. Impact Analysis This was a record-breaking year for DDoS attacks—and that has to have an impact on global infrastructure, since DDoS attackers don't pay for transit costs. Instead, that cost is generally passed down to everyone who uses the internet. So we continued to dig into the details of how much traffic on the global internet is due solely to DDoS attacks by calculating the DDoS Attack Coefficient (DAC). This measurement illustrates the continual presence of DDoS traffic across all regions. In essence, it shows the "DDoS tax" that we all end up paying. DDoS Statistics Attack frequency Max throughput Average duration Size Speed Duration Attack types 177 GBPS 39.8 MPPS 8 MIN TCP SYN, UDP, TCP RST Max number of vectors seen in a single attack 20 TOP 5 VECTOR # OF ATTACKS TCP ACK 53,015 TCP SYN 50,989 TCP RST 29,730 DNS Amplification 23,777 ICMP 22,112 Key Metrics from the 2H 2020 NETSCOUT Threat Intelligence Report Max attack size July August December 47% 378.6 Gbps July 83.7 Mpps 199.9 Gbps September 50% 300.5 Gbps September 22% 34.2 Mpps August 48% 43.8 Mpps October 128% 77.9 Mpps November 10% 70.2 Mpps December 139% 167.7 Mpps October 40% 420.5 Gbps 381.4 Gbps November 25% 21% 510.8 Gbps Gbps Mpps 100 200 300 500 400 600 0 40 80 60 100 July August December 47% 378.6 Gbps July 83.7 Mpps 199.9 Gbps September 50% 300.5 Gbps September 22% 34.2 Mpps August 48% 43.8 Mpps October 128% 77.9 Mpps November 10% 70.2 Mpps December 139% 167.7 Mpps October 40% 420.5 Gbps 381.4 Gbps November 25% 21% 510.8 Gbps Gbps Mpps 100 200 300 500 400 600 0 40 80 60 100 B A N D W I D T H I M PA C T P E R C E N TA G E C H A N G E T H R O U G H P U T I M PA C T P E R C E N TA G E C H A N G E Largest Attack Vector Attacks

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