Executive Summary With the rapid advancement of computer technologies and more and more network devices joining the Internet, the global Internet has expanded at an unbelievably high speed. However, efforts made in enhancing cybersecurity are lagging far behind the growth of the Internet, leaving an ever-growing gap in between. Many cybercrime groups and individuals are […]
Second Largest Gang by the Number of Attack Sources The second largest gang in terms of the number of attack sources generated the largest traffic. This gang had 23,000 recidivists and favored volumetric SYN flood attacks. According to historical attack records, 99.54% of recidivists had resorted to this kind of attack. This gang stayed active […]
1.Top 10 countries in attack counts: The above diagram shows the top 10 regions with the most malicious IP addresses from the NSFOCUS IP Reputation databases at July 5, 2020.
In 2019, 7% of recidivists1 were responsible for 78% of DDoS attacks. Obviously, recidivists are too menacing to overlook. Several groups of DDoS recidivists often work together to initiate attacks. Such groups are collectively referred to as an “IP gang”. In 2019, a total of 60 DDoS gangs were detected, including 15 ones that contained […]
In 2019, most frequently seen attacks were UDP floods, SYN floods, and ACK floods, which together accounted for 82% of all DDoS attacks. By contrast, reflection attacks took up only 10%. Compared with 2018, reflection attacks rose slightly in number, but remained small in proportion.
Key Findings: Maturity: The technical maturity of attackers keeps growing, opening more possibilities than DDoS attacks for attackers to garner profits. Combination: Of all DDoS attacks in 2019, 12.5% employed multiple vectors. This percentage was even higher among super-sized attacks (> 300 Gbps) to reach more than one-third. These factors have posed a greater challenge […]
Deserialization vulnerabilities are still frequently exploited for web attacks and special attention should be paid to the security of mainstream frameworks. This section describes web vulnerabilities that had an extensive impact in 2019: WebLogic In 2017, Oracle released an official patch that fixed the XMLDecoder vulnerability (CVE-2017-10352) in WebLogic Server. This patch was evaded twice […]
Web Attack Trend Websites, which enterprises or individuals use to provide services for users, are usually the first choice of hackers during attacks. Web attacks in 2019 clung to traditional patterns and methods, including server information disclosure, resource leeching, cross-origin resource sharing (CORS), SQL injection, and cookie poisoning, which together accounted for 89% of web […]
Vulnerability Trend By November 27, 2019, the National Vulnerability Database (NVD) had recorded 11,633 CVE vulnerabilities disclosed in 2019, including 6549 high-risk ones. The annual total number decreased year by year in the past three years compared with 15,881 in 2017 and 15,861 in 2018, but that of high-risk ones was on the rise.