The Unbearable Asymmetry of DDoS
Because adversaries leverage compromised and abusable online resources belonging to legitimate organizations and individuals to launch DDoS attacks, the tangible cost to attackers is nil, while...
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Because adversaries leverage compromised and abusable online resources belonging to legitimate organizations and individuals to launch DDoS attacks, the tangible cost to attackers is nil, while...
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While there are many obvious threats like hacktivists, nation-state adversaries and ransomware operators, there also lies a constant ever-growing undercurrent that we call nuisance traffic. The...
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Carpet-bombing (Spread Spectrum, Subnet DDoS) attacks take place when an adversary targets a range of addresses or subnets simultaneously to saturate networks with garbage traffic while also...
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Since late December, Poland has been the target of several groups as new Prime Minister Tusk was sworn in. The most notable group targeting Poland is NoName057. They have targeted several types of...
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NoName057(16) relies heavily on HTTPS application-layer DDoS attacks, with many attacks repeatedly sourced from the same attack harness, networks, and targeting similar countries and industries.
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Anonymous Sudan is a highly prolific threat actor conducting distributed denial-of-service attacks (DDoS) to support their pro-Russian, anti-Western agenda. Although the attacks attributed to this...
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Typically, application-layer protocols such as HTTP/s, QUIC, SIP, and others receive the lion’s share of attention in most discussions of internet traffic. But it’s the Domain Name System (DNS),...
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In a joint disclosure by several well-known cloud computing, SaaS, and CDN operators, a new HTTP/2 application-layer DDoS attack vector (CVE-2023-44487) has been described which has been used in...
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Summary NETSCOUT and ASERT have observed massive increases in DDoS attacks against Indian targets. This near doubling of DDoS attacks since the beginning of 2023 has been fueled by a rallying call...
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With the computing power and internet transit capacity available to a substantial proportion of abusable SLP reflectors/amplifiers, attackers can potentially launch extremely high-volume,...
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As the effects of COVID-19 and inflated numbers of DDoS attacks have settled into some semblance of normalcy, it has been all out DDoS war for Finland, Hungary, and Turkey.
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On December 15, 2022, The U.S. Federal Bureau of Investigation (FBI), in cooperation with several international law enforcement partners, seized 49 domain names and arrested six individuals for...
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Since mid-February of 2022, the NETSCOUT Arbor Security Engineering and Response Team (ASERT) has been monitoring the situation in Russia and Ukraine. We recently published an update to our...
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The ongoing DDoS attack campaign against Ukraine increased significantly. We anticipate that DDoS activity targeting Ukraine will continue over the duration of the conflict, and will continue to...
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A new reflection/amplification distributed denial-of-service (DDoS) vector with a record-breaking potential amplification ratio of 4,294,967,296:1 has been abused by attackers in the wild to...
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Overview Beginning on 13 February 2022, multiple governmental, military, and financial organizations within Ukraine reported that their public-facing Web sites, applications, and ancillary...
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Beginning on 13 February 2022, multiple governmental, military, and financial organizations within Ukraine reported that their public-facing Web sites, applications, and ancillary supporting...
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Executive Summary The second half of 2021 finally saw much of the world returning to normal, at least until the recent Omicron variant sent us packing back home. The premature return to normal...
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Attack frequency has dropped, but we are nowhere near the numbers considered normal prior to COVID-19: Threat actors launched approximately 5.4 million DDoS attacks in the first half of 2021.
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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.
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