Large DDoS Attacks on the Rise, Akamai Report Finds

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Large DDoS Attacks on the Rise, Akamai Report Finds

Akamai finds an increasing volume of DDoS attacks greater than 100G bps in Q4, while the volume of web application attacks declined.

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Largest Attack in the Quarter Was 517G bps

While DDoS attacks larger than 100G bps were once very rare, there were 12 such attacks in the fourth quarter. The top attack came in at a peak bandwidth of 517G bps.

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Mirai Remains Active

Botnets remain the top source of DDoS attack traffic. Four botnets generated 10 DDoS attacks exceeding 300G bps between July 2014 and December 2016, with the Mirai IoT botnet holding the top two spots.

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The U.S. Is the Top Source of DDoS Attacks

While DDoS is a global phenomenon, the U.S. is the top source of DDoS attack traffic, representing 24 percent of attacks in the fourth quarter of 2016.

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DDoS Attacks Use Different Methods

There are a number of different technical protocols and methods that DDoS attacks can use. In the fourth quarter, UDP fragments topped the list at 27.39 percent, followed by DNS at 20.60 percent.

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SQL Injection Remains the Top Web Application Attack

More than half (51.29 percent) of web application attacks in the fourth quarter made use of SQL Injection (SQLi) in an attempt to exploit vulnerable applications.

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The U.S. Is the Top Target

According to Akamai, in the fourth quarter of 2016, the vast majority web application attacks targeted the U.S.

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Web Application Attacks Declined in Q4

In the fourth quarter, there was a 19 percent decrease in the total number of web application attacks monitored by Akamai. Also of note is the fact that there was a decrease in web application attacks coming from the U.S.

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Cisco Cyber-Security Report Finds Server Threats Increased in 2016

Security breaches aren't just a nuisance. They can also have real financial impact on the organizations that are exploited. That's one of the many high-level findings from the Cisco 2017 Annual Cybersecurity Report (ACR). The massive 110-page report provides insights from Cisco's own research efforts as well as a survey that received responses from 3,000 IT executives from around the world. Among the reports' findings is that spam volumes rose is 2016, accounting for about 65 percent of total email volume that Cisco monitors with its platforms. Just because an email is identified as spam, doesn't however necessarily mean that it's malicious. In fact only 8 percent of spam was found to be malicious, according to Cisco. Also of note is the fact that client-side vulnerabilities declined by 8 percent, while server vulnerabilities grew by 34 percent year-over-year as attackers shifted their focus....
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