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In this blog post, I look at a recent OT / ICS engagement with a Critical National Infrastructure (CNI) client, which shows why dual-homed devices can be valuable targets for attackers. Host-based Firewall Its not uncommon to find host-based firewalls to be missing or disabled, particularly for Windows hosts and Embedded Systems.
Firewalls, Routers, and Switches): Threat Resilience: Devices must demonstrate resistance against known attack vectors, including DDoS attacks, buffer overflows, and man-in-the-middle attempts. Firewalls (both hardware and software). What Does the EUCC Cover? The EUCC applies to the cybersecurity lifecycle of ICT products.
I also looked at custom firmware and soldering and why, to my mind, that was a path I didn't need to go down at this time. Let's got through the options: Firmware Patching I'll start with the devices themselves and pose a question to you: can you remember the last time you patched the firmware in your light globes? Or vibrator.
A vulnerability impacting Zyxel firewalls, tracked as CVE-2023-28771, can be exploited to execute arbitary code on vulnerable devices. Researchers from TRAPA Security have discovered a critical remote code execution vulnerability, tracked as CVE-2023-28771 (CVSS score 9.8), impacting Zyxel Firewall. through 5.35. through 5.35.
The My Book Live and My Book Live Duo devices received its final firmware update in 2015. “The vulnerability report CVE-2018-18472 affects My Book Live devices originally introduced to the market between 2010 and 2012,” reads a reply from Western Digital that Wizcase posted to its blog.
Zyxel addressed a critical flaw affecting Zyxel firewall devices that allows unauthenticated, remote attackers to gain arbitrary code execution. affecting Zyxel firewall devices that enables unauthenticated and remote attackers to gain arbitrary code execution as the “nobody” user. Commands are executed as the nobody user.”
Researchers at RandoriSec have found serious vulnerabilities in the firmware provided by UDP Technology to Geutebrück and many other IP camera vendors. According to the researchers the firmware supplier UDP Technology fails to respond to their reports despite numerous mails and LinkedIn messages. History lessons. Mitigation.
US Critical Infrastructure Security Agency (CISA) adds critical CVE-2022-30525 RCE flaw in Zyxel Firewalls to its Known Exploited Vulnerabilities Catalog. affecting Zyxel firewall devices that enables unauthenticated and remote attackers to gain arbitrary code execution as the “nobody” user. Commands are executed as the nobody user.”
Customers can access their devices through the web using this cloud platform without directly exposing them to the internet, allowing them to keep the devices hidden behind a firewall or network address translation (NAT) router. A blog article from Claroty outlines the more critical vulnerabilities.
HTML smuggling is an evasive technique that uses legitimate HTML5 or JavaScript features to make its way past firewalls and other security technologies. In this way, rather than having to directly maneuver malicious code through a network, the malware instead is built locally, already behind a firewall. What Is HTML Smuggling?
The operation reversibly modified the routers’ firewall rules to block remote management access to the devices. Upgrade to the latest firmware version. Implement strategic firewall rules on WAN-side interfaces to prevent the unwanted exposure of remote management services. ” continues the report.
Firewall supplier Check Point Software Technologies has reported a massive surge in the registration of coronavirus-related domains, since Jan. Make sure you do everything possible to secure your mobile devices and that both the firmware and software are routinely updated. This column originally appeared on Avast Blog.).
. “Also, an attacker may exploit these issues to access and control networked devices and change router settings in order to manipulate configurations such as DNS settings or firewall rules. The compromised industrial devices may also be used to launch attacks against other devices or networks.”
“The operation copied and removed malware from vulnerable internet-connected firewall devices that Sandworm used for command and control (C2) of the underlying botnet.” The malware leverages the firmware update process to achieve persistence. ” reads the press release published by DoJ. ” reads the DoJ.
Last June, Google’s TAG team released a blog post documenting attacks on Italian and Kazakh users that they attribute to RCS Lab, an Italian offensive software vendor. In line with our predictions, we released two blog posts in 2022 introducing sophisticated low-level bootkits.
The malware maps each function with a string that represents a potential targeted system — such as a signature, which we’ll explain later in this blog (see figure 3). Ax with firmware 1.04b12 and earlier. NETGEAR DGN2200 devices with firmware through 10.0.0.50. Affected products include: NAS326 before firmware V5.21(AAZF.7)C0
In Secure Kali Pi (2022) , the first blog post in the Raspberry Pi series, we set up a Raspberry Pi 4 with full disk encryption. author: Broadcom Corporation firmware: brcm/brcmfmac*-sdio.*.bin bin firmware: brcm/brcmfmac*-sdio.*.txt We mentioned that we can leave it somewhere as a drop box. wireless LAN fullmac driver.
ReFirm Labs, meanwhile, has developed a radically new approach to securing heretofore insecure connected devices through firmware validation. BlueRidge AI integrates the Internet of Things, machine learning and predictive analytics to enable manufacturers to transform their operations into globally competitive operations.
Clearly, traditional firewalls and antivirus systems will not be sufficient; the complex IIoT infrastructure demands something more advanced. Secure Firmware Updates Are a Necessity for Resilient IoT Deployments. Related posts. Streamlining IoT and Edge Security for Machine Identities [Venafi + Device Authority]. UTM Medium.
Another example seen this year was KV-Botnet , which was deployed on vulnerable firewalls, routers and IP cameras and used to conceal the malicious activities of Volt Typhoon, the actor behind it. Throughout the year, we’ve covered the most interesting of these attacks on our blog.
As described in our previous blog, the malware initiates a total of 33 exploit functions targeting different routers and IoT devices by calling the function “scannerInitExploits” (see figure 2). Maintain minimal exposure to the Internet on Linux servers and IoT devices and use a properly configured firewall. Conclusion.
After the attacks came to light, the manufacturer promptly released a firmware update for configuring verification of incoming requests. Educational institutions are recommended to use anti-DDoS solutions and strong firewall settings, and partner up with ISPs. Gaming platforms didn’t escape cybercriminal attention either.
Firewalls and Network Security Solutions : Monitor and control network traffic to protect against unauthorized access. The Intel vPro Platform includes Unified Extensible Firmware Interface (UEFI) Secure Boot and Trusted Platform Module (TPM).
This release blog post does not have the most features in it, as a lot of the changes have been behind-the-scenes, which brings a huge benefit to us and an indirect positive effect to you as end-users. You start to ask questions: Are the Intrusion Detection System (IDS) and the Web Application Firewall (WAF) detecting malicious activities?
In this blog, Zscaler ThreatLabz provides an in-depth analysis of Raspberry Robin’s functionality, including its execution layers, obfuscation methods, and network communication process along with its latest exploits.Key TakeawaysRaspberry Robin uses an extensive set of anti-analysis methods.
roundup of UK focused Cyber and Information Security News, Blog Posts, Reports and general Threat Intelligence from the previous calendar month, May 2021. a lack of firmware updates, important for security and performance. Achieving PCI DSS Compliant Firewalls within a Small Business. UK Smarties Cities Cybersecurity Warning.
Certificate authorities, document signing and firmware code signing that have a longer life-span than 5 year (lower-limit of quantum arrival) should start the migration. My thanks go to my colleague Rana Gupta , APAC Regional VP, Data Protection, for his help and input into this blog post. Data Firewall. Data security.
CitrixBleed 2 situation update — everybody already got owned Update time on CVE-2025–5777, after my prior two blogs. I published some IOCs here : Some are also visible in my prior blog post (the 64. Citrix refused to comment last week on media enquiries about exploitation after my blog post.
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