Blog

Advisory: Squid Multiple High-risk Vulnerability

November 25, 2019 | Mina Hao

Vulnerability Description On November 5, local time, Squid officially released a security bulletin to fix multiple vulnerabilities, including a high-risk buffer overflow vulnerability that could lead to code execution (CVE-2019-12526), ​​an information disclosure vulnerability (CVE-2019-18679) And HTTP request splitting problem (CVE-2019-18678).

Information Security in the Workplace- Attachment Virus-v

November 21, 2019 | Mina Hao

With the advancement of IT-based transformation and the rapid development of IT, various network technologies have seen more extensive and profound applications, along with which come a multitude of cyber security issues. Come to find out what information security issues you should beware of in the workplace.

IP Reputation Report-11172019

November 21, 2019 | Mina Hao

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 November 17, 2019. Top 10 countries in attack percentage: The Laos is in first place. The Uzbekistan is in the second place. The country China (CN) is not […]

Cybersecurity Insights-5

November 20, 2019 | Mina Hao

Insights into Vulnerabilities 4.1 Overall Trend The National Vulnerability Database had recorded 15,800 CVE vulnerabilities for 2018, including 4096 high-risk ones. Compared with 2017, the total number of vulnerabilities found in 2018 increased 8.2%, while the number of high-risk ones dropped by 4.8%. Although the number of vulnerabilities increased steadily, they did so slowly, possibly […]

Advisory: Open-Source Compression Library Libarchive Code Execution Vulnerability (CVE-2019-18408)

November 19, 2019 | Mina Hao

Overview Recently, a code execution vulnerability (CVE-2019-18408) was disclosed in the security update of Debian, Ubuntu, Gentoo and other distributions.

How NSFOCUS ADS KO’s DDoS Attacks

November 18, 2019 | Mina Hao

What Is DDoS? Look at the following example: Assume that you run a shop that is doing well. At this time, your neighbor, Mr. Wang (or whatever his name is), whose business is slack, looks at you as an eyesore. Therefore, he hires a group of hooligans. Then you find that your shop is crowded […]

Cloud DPS Showing That Gaming Customers Are in Need of Tbps-Level Cleaning Resources to Counter Volumetric Attacks

November 16, 2019 | Mina Hao

In July, 2019, Cloud DPS, a cloud cleaning product from NSFOCUS, managed to withstand a wave of DDoS attacks over 100 Gbps that lasted one week. Targeting a board/card game vendor, those attacks exhibited perfect regularity, with the traffic averaging 100 Gbps and peaking at 431.6 Gbps.

SQL Injection Revealing the Truth Behind Information Disclosure

November 15, 2019 | Mina Hao

I. Principle At present, there has been a great deal of news coverage about information disclosure. A large amount of information is constantly disclosed and sold through various websites, resulting in endless cases of telecom fraud. We have already known that SQL injection is the culprit responsible for all the cases. An SQL injection attack […]

IP Reputation Report-11102019

November 14, 2019 | Mina Hao

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 November 10, 2019.

Cybersecurity Insights-4

November 13, 2019 | Mina Hao

3.3 Recidivists “Recidivists” here refer to attack sources found to repeatedly engage in malicious activities. In the 2018 H1 Cybersecurity Insights, we pointed out that 25% of recidivists were responsible for 40% of attack events24. Considering the quantity and level of threat, these attackers should not be underestimated. By the end of 2018, the number […]