Blog

Session Traversal Utilities for NAT (STUN) Reflection/Amplification

Adversaries weaponize STUN servers by incorporating the protocol into DDoS-for-Hire services. Approximately 75k abusable STUN servers give DDoS attackers ample opportunity to...

A year in review: Detailed DDoS attack data for Taiwan

2020 - A year in review: Detailed DDoS attack data for Taiwan

Triple-Extortion Tactics on the Rise for Ransomware Gangs

Cybercriminals have hit the ransomware trifecta by melding file encryption, data theft, and DDoS attacks. Learn more about this growing threat.

The Beat Goes On

The beat goes on: Threat actors launched approximately 2.9 million DDoS attacks in the first quarter of 2021, a 31% increase from the same time in 2020.

TsuNAME Zone Cyclic Dependency-Induced Recursive DNS Query Cascade

In mid-May 2021, security researchers at SIDN Labs, InternetNZ, and USC/ISI released a research paper describing a sabotage-based DDoS attack methodology dubbed ‘TsuNAME’ that...

India Under Attack

2020: A year in review: Detailed DDoS attack data for India

Latest NETSCOUT Threat Intelligence Report Highlights Unprecedented DDoS Attack Activity

As the latest Threat Intelligence Report shows, the COVID-19 pandemic was the clear catalyst for this year’s unprecedented DDoS attack activity. Vital pandemic industries such as...

Datagram Transport Layer Security (D/TLS) Reflection/Amplification DDoS Attack Mitigation Recommendations

Datagram Transport Layer Security (D/TLS) is a variant of the TLS encryption protocol implemented atop User Datagram Protocol (UDP), it is utilized to secure datagram-based...

Plex Media SSDP (PMSSDP) Reflection/Amplification DDoS Attack Mitigation Recommendations

Amplified PMSSDP DDoS attack traffic consists of SSDP HTTP/U responses sourced from ports UDP port 32414 and/or UDP port 32410 on abusable Plex Media Server instances and directed...

Crossing the 10 Million Mark: DDoS Attacks in 2020

For the first time, we observed DDoS attacks rise above 10 million annually in 2020, nearly 1.6 million more attacks than seen in 2019.

Microsoft Remote Desktop Protocol (RDP) Reflection/Amplification DDoS Attack Mitigation Recommendations - January 2021

Recently observed DDoS attacks leverage abusable Microsoft RDP service to launch UDP Reflection/Amplification attacks with an 85.9:1 amplification factor.

Lazarus Bear Armada DDoS Extortion Campaign — December 2020

DDoS Extortion Update: As previously reported, a relatively prolific threat actor initiated a global campaign of DDoS extortion attacks in mid-August 2020, largely directed towards...