- Industrial Networks Exposed Through Cloud-Based Operational Tech
July 22, 2021
The benefits of using a cloud-based management platform to monitor and configure industrial control systems (ICS) devices are obvious — efficiency, cost-savings and better diagnostics just for starters. But new research found critical vulnerabilities in these platforms that could be used to paralyze operations if left unmitigated. An analysis by Claroty’s newly branded Team82 research team ...
- Fortinet fixes bug letting unauthenticated hackers run code as root
July 20, 2021
Fortinet has released updates for its FortiManager and FortiAnalyzer network management solutions to fix a serious vulnerability that could be exploited to execute arbitrary code with the highest privileges. Both FortiManager and FortiAnalyzer are enterprise-grade network management solutions for environments with up to 100,000 devices. They are available as a physical appliance, as a virtual machine, ...
- SonicWall releases urgent notice about ‘imminent’ ransomware targeting firmware
July 14, 2021
Networking device maker SonicWall sent out an urgent notice to its customers about “an imminent ransomware campaign using stolen credentials” that is targeting Secure Mobile Access (SMA) 100 series and Secure Remote Access (SRA) products running unpatched and end-of-life 8.x firmware. In addition to the notice posted to its website, SonicWall sent an email to anyone ...
- Network Attack Trends: February-April 2021
July 1, 2021
Unit 42 researchers observed network attack trends, February-April 2021. In the following sections, we present our analysis of the most recently published vulnerabilities, including the severity and category. Additionally, we provide insight into how the vulnerabilities are actively exploited in the wild based on real-world data collected from Palo Alto Networks Next-Generation Firewalls. We then ...
- EUROPOL: Coordinated Action Cuts Off Access To Vpn Service Used By Ransomware Groups
June 30, 2021
Takedown of DoubleVPN makes it harder for criminal hackers to cover their tracks This week, law enforcement and judicial authorities in Europe, the US and Canada have seized the web domains and server infrastructure of DoubleVPN. This is a virtual private network (VPN) service which provided a safe haven for cybercriminals to attack their victims. This coordinated ...
- Sophisticated hackers are targeting these Zyxel firewalls and VPNs
June 25, 2021
Zyxel, a manufacturer of enterprise routers and VPN devices, has issued an alert that attackers are targeting its devices and changing configurations to gain remote access to a network. In a new support note, the company said that a “sophisticated threat actor” was targeting Zyxel security appliances with remote management or SSL VPN enabled. Read more… Source: ZDNet
- Analyzing SonicWall’s Unsuccessful Fix for CVE-2020-5135
June 22, 2021
By Craig Young, a computer security researcher with Tripwire’s Vulnerability and Exposures Research Team Back in September 2020, I configured a SonicWall network security appliance to act as a VPN gateway between physical devices in my home lab and cloud resources on my Azure account. As I usually do with new devices on my network, I ...
- Email Bug Allows Message Snooping, Credential Theft
June 22, 2021
Researchers warn hackers can snoop on email messages by exploiting a bug in the underlying technology used by the majority of email servers that run the Internet Message Access Protocol, commonly referred to as IMAP. The bug, first reported in August 2020 and patched Monday, is tied to the email server software Dovecot, used by ...
- Researchers create an ‘un-hackable’ quantum network over hundreds of kilometers using optical fiber
June 10, 2021
Researchers from Toshiba have successfully sent quantum information over 600-kilometer-long optical fibers, creating a new distance record and paving the way for large-scale quantum networks that could be used to exchange information securely between cities and even countries. Working from the company’s R&D lab in Cambridge in the UK, the scientists demonstrated that they could transmit ...
- CVE-2021-22909- Digging Into A Ubiquiti Firmware Update Bug
May 25, 2021
Back In February, Ubiquiti released a new firmware update for the Ubiquiti EdgeRouter, fixing CVE-2021-22909/ZDI-21-601. The vulnerability lies in the firmware update procedure and allows a man-in-the-middle (MiTM) attacker to execute code as root on the device by serving a malicious firmware image when the system performs an automatic firmware update. The vulnerability was discovered ...