Researchers at the Center for Applied Internet Data Analysis (CAIDA) at the University of California, San Diego's (UCSD) San Diego Supercomputer Center have completed the first large-scale analysis of victims of Internet denial-of-service (DoS) attacks worldwide.
From March 2015 to February 2017, the researchers found about one third of the IPv4 address space was targeted by DoS attacks.
"The results of this study are gigantic compared to what the big companies have been reporting to the public," says CAIDA's Alberto Dainotti.
The study highlights two predominant types of DoS attacks: "direct" attacks, which involve traffic sent directly to the target from infrastructure controlled by the attacker; and "reflection" attacks, during which third-party servers are involuntarily used to reflect attack traffic toward its victim.
The researchers detected the attacks using the UCSD Network Telescope and the AmpPot DDoS honeypots. The data revealed more than 20 million DoS attacks that targeted about 2.2 million Internet addresses.
From UCSD News (CA)
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