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In an increasingly interconnected world, edge devices are becoming the frontline in cybersecurity battles. Darktrace’s annual threat report released on Wednesday highlights a concerning trend: edge devices with unpatched vulnerabilities have played a significant role in some of the most damaging cyberattacks of 2024. As cybercriminals target these devices, often seen as the last line of defense, organizations must recognize the critical need for robust security measures.
The report indicates that zero-day and n-day vulnerabilities found in edge devices have been linked to numerous high-profile attack campaigns. Notably, the most frequently exploited vulnerabilities were found in Ivanti Connect Secure and Ivanti Policy Secure appliances, as well as firewall products from Fortinet and Palo Alto Networks. These vulnerabilities served as gateways for attackers, enabling them to bypass security measures that organizations believed were safeguarding their networks.
Four out of six of the most commonly exploited vulnerabilities identified by Darktrace stemmed from vendors providing security hardware and services. This included two vulnerabilities associated with Ivanti products (CVE-2023-46805 and CVE-2024-21887), three affecting Palo Alto Networks firewalls running PAN-OS (CVE-2024-3400, CVE-2024-0012, and CVE-2024-9474), and one targeting Fortinet’s FortiManager (CVE-2024-47575). These findings reveal a troubling pattern: attackers are increasingly focused on exploiting weaknesses in widely used security products.
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According to Nathaniel Jones, VP of threat research at Darktrace, edge devices represent a critical vulnerability point. “These devices sit on the edge of your network, and that’s your last sight of visibility and therefore the door to your house,” he stated. This insight underscores the importance of maintaining visibility and control over edge devices, as they can often serve as entry points for sophisticated cyber threats.
Threat groups are not only targeting edge devices but are also dedicating significant resources to understand and reverse engineer them. This trend is reflected in Darktrace’s findings, which align with the Cybersecurity and Infrastructure Security Agency’s catalog of known exploited vulnerabilities. Many of the vendors frequently appearing in this catalog have been the focus of consistent attacks, signaling that threat actors are becoming increasingly adept at identifying and exploiting weaknesses.
Nation-state actors are believed to be behind many zero-day attacks on edge devices, largely due to their extensive resources. However, these vulnerabilities have a long lifecycle, making them attractive targets for financially motivated cybercriminals as well, especially when proof of concepts are shared within the community. This trend complicates patch management and vulnerability response efforts, as organizations must act swiftly to address these weaknesses before they can be exploited.
Jones warns that the time available for organizations to conduct patch management is shrinking. For many businesses, particularly those with limited resources or competing priorities, keeping up with the necessary updates can prove challenging. “If you’re not on it, or you’re very under-resourced and you have other things going on to support the business, then this can be a problem,” he noted.
Moreover, edge devices often provide attackers with enhanced capabilities to execute living-off-the-land techniques. This involves leveraging existing credentials to gain persistent access and move laterally across networks, complicating detection and remediation efforts.
The report also highlights that a significant portion of malicious activity observed in the first half of 2024 was linked to internet-facing devices. Specifically, 40% of these activities involved exploitation of such devices. By the second half of the year, information-stealing malware emerged as the most prevalent type of malicious activity, indicating a shift in tactics among threat actors.
Darktrace’s annual threat intelligence report is grounded in data collected from nearly 10,000 customer deployments, providing a broad view of the evolving threat landscape. As organizations increasingly rely on edge devices for connectivity and services, understanding the vulnerabilities inherent in these systems is critical to bolstering overall cybersecurity. Addressing these vulnerabilities proactively can help organizations mitigate risks and better protect themselves against the ever-evolving threat landscape.
References:
Reported By: https://cyberscoop.com/edge-device-vulnerabilities-fuel-attack-sprees/
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