Blog

DDoS Attack Landscape 10

June 3, 2020 | Mina Hao

Active Families Gafgyt As one of the largest IoT DDoS families, Gafgyt compromises such devices as routers and cameras by means of password cracking and exploits to receive C&C commands and launch DDoS attacks. In 2019, the Gafgyt family continued to be active, mainly targeting North America, Europe, and Australia. The number of Gafgyt-based malware […]

Cisco Unified Contact Center Express (Unified CCX) Deserialization Code Execution Vulnerability (CVE-2020-3280) Threat Alert

June 2, 2020 | Mina Hao

Overview Recently, Cisco officially released a security advisory, announcing the fix of a high-risk vulnerability (CVE-2020-3280) in Unified Contact Center Express (Unified CCX). The vulnerability stems from the fact that during the deserialization operation of the software, the input provided by the user is not sufficiently restricted. The attacker can send a malicious Java object […]

WellinTech KingView Multiple Vulnerabilities Threat Alert

June 1, 2020 | Mina Hao

Overview Some versions of WellinTech KingView are prone to multiple vulnerabilities, including the real-time database access authorization bypass vulnerability and denial-of-service vulnerability existing in the web data transmission service. Vulnerability details are as follows: 1. KingView real-time database access authorization bypass vulnerability (CNVD-C-2020-87074) 2. KingView denial-of-service vulnerability existing in the web data transmission service (CNVD-C-2020-92339) […]

NSFOCUS Named a Representative Vendor in Gartner Market for Security Threat Intelligence Products and Services

May 30, 2020 | Mina Hao

The world’s leading research and advisory company, Gartner, has named NSFOCUS as a Representative Vendor in its May 2020 Market Guide for Security Threat Intelligence Products and Services. This guide provides in-depth analysis of the threat intelligence (TI) market, focusing on introducing its technical value and commercial potential of threat intelligence, and selecting credible vendors […]

Microsoft’s Security Bulletin for May Patches That Fix 111 Security Vulnerabilities Threat Alert

May 29, 2020 | Mina Hao

Overview Microsoft released the May 2020 security patch on Tuesday that fixes 111 vulnerabilities ranging from simple spoofing attacks to remote code execution in various products, including .NET Core, .NET Framework, Active Directory, Common Log File System Driver, Internet Explorer, Microsoft Dynamics, Microsoft Edge, Microsoft Graphics Component, Microsoft JET Database Engine, Microsoft Office, Microsoft Office […]

IP Reputation Report-05242020

May 28, 2020 | Mina Hao

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 May 24, 2020. 2. Top 10 countries in attack percentage: The Belarus is in first place. The Cape Verde is in the second place. The country China […]

DDoS Attack Landscape 9

May 27, 2020 | Mina Hao

DDoS Botnets In 2019, NSFOCUS Security Labs detected over 400,000 DDoS attacks launched via botnets, a sharp increase compared with 2018 (8323 DDoS attacks). According to our observation, thebotnets running on IoT devices were mainly Mirai and Gafgyt families. These two families were exploited to launch over 60% of DDoS attacks in the first half […]

Adobe Releases May’s Security Updates Threat Alert

May 26, 2020 | Mina Hao

Overview On May 12, 2020, local time, Adobe officially released July’s security updates to fix multiple vulnerabilities in its various products, including Adobe DNG Software Development Kit (SDK) and Adobe Acrobat and Reader. For details about the security update, visit the following link:

Java Deserialization Exploits: Registry Whitelist Bypass

May 25, 2020 | Mina Hao

In 2019, An Trinh discovered two vulnerabilities, CVE-2019-9670 (XXE/SSRF) and CVE-2019-6980 (deserialization vulnerability), in Zimbra. As usual, An Trinh did not disclose any details. Luckily, Hans Martin Munch is more generous than An Trinh and has shared many interesting ideas. For example, he once advised using YouDebug to fix the CVE-2017-3241 vulnerability. ysoserial.payloads.JRMPClient is designed […]

635Gbps DDoS attack spike During Covid-19 Pandemic

May 22, 2020 | Mina Hao

NSFOCUS cloud scrubbing center witnessed a torrent of DDoS attack traffic, with peak volume up to 634.8 Gbps. At 5 p.m. of May 20th, 2020, NSFOCUS SOC team detected an enormous DDoS attack – three IPs of a Hong Kong customer were hit by DDoS attacks and inbound traffic kept increasing sharply. As DDoS attack […]