Written By: Bruno CarvalhoSystem Engineer UK & Western Europe Firstly, to become this information clearer is interesting to answer the question…What is GPRS Tunneling Protocol (GTP)? GPRS Tunneling Protocol (GTP) is a 2.5G technology that provides interconnection between various network interfaces, enabling mobile users to roam seamlessly between networks of...
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Microsoft’s June 2021 Security Updates Fix Multiple Products’ High-Risk Vulnerabilities
Overview According to NSFOCUS CERT's monitoring, Microsoft released June 2021 Security Updates on June 9 to fix 50 vulnerabilities, including high-risk remote code execution and privilege escalation, in widely used products like Windows, Microsoft Office, Microsoft Edge, Visual Studio, and SharePoint Server. In the vulnerabilities fixed by this month's security...
NSFOCUS Protected an IDC Customer Against Volumetric Mixed DDoS Attacks
ABOUT CUSTOMER Based in APAC, company A provides comprehensive IDC services for the world’s top 500 as well as many small and medium enterprises. Other than server rental and hosting, company A also cooperates with NSFOCUS to provide server rental service with advanced protection against DDoS attacks. The investment in...
Microsoft’s May 2021 Security Updates Fix Multiple Products’ High-Risk Vulnerabilities
Overview On May 12, 2021, Microsoft released May 2021 Security Updates to fix 55 vulnerabilities, including high-risk remote code execution and privilege escalation, in widely used products like Microsoft Windows, Office, Exchange Server, Visual Studio Code, and Internet Explorer. In the vulnerabilities fixed by this month's security updates, there are...
VMware VCenter Server Remote Code Execution Vulnerability (CVE-2021-21985) Threat Alert
Vulnerability Description On May 26, NSFOCUS CERT discovered that VMware released a security advisory that announces mitigation of the VMware vCenter Server remote code execution vulnerability (CVE-2021-21985) and vCenter Server plug-in authentication bypass vulnerability (CVE-2021-21986). The Virtual SAN Check plug-in in vCenter Server lacks input validation, allowing attackers who have...
Speech by Wenmao Liu of NSFOCUS: Research on New Vectors of UDP-based DDoS Amplification Attacks of IoT
As the world's largest cybersecurity industry conference, the RSA Conference held its 30th annual event in 2021. It has been a driving force behind sharing, innovation, and progress in the global cybersecurity community. NSFOCUS stood out at the RSA Conference 2021 by making a debut on the conference speech podium...





