Ethical Hacking News
A group of cyber attackers known as Interlock exploited a critical vulnerability in Cisco Secure Firewall Management Center software weeks before the company patched it. This vulnerability highlights the ongoing threat posed by cyber attackers and underscores the importance of staying informed about emerging vulnerabilities and taking proactive steps to protect systems.
Amazon's threat intelligence team detected Interlock's activities in their MadPot honeypot network. A maximum-severity vulnerability in Cisco Secure Firewall Management Center software was exploited by Interlock before it was publicly disclosed. Interlock is a ransomware crew that emerged in 2025, targeting hospitals and medical facilities. The group uses custom remote access trojans (RATs) to maintain persistent access to compromised machines. The incident highlights the importance of staying informed about emerging threats and ensuring systems are regularly updated with the latest security patches.
Amazon security boss CJ Moses recently revealed that a group of cyber attackers, known as Interlock, exploited a critical vulnerability in Cisco Secure Firewall Management Center software weeks before the company patched it. This vulnerability, identified as CVE-2026-20131, is a maximum-severity bug that allows an unauthenticated, remote attacker to execute arbitrary Java code as root on vulnerable devices.
The discovery of this exploit highlights the vulnerability of networks and systems to cyber attacks, even when proper security measures are in place. The fact that Interlock was able to take advantage of this vulnerability before it was publicly disclosed underscores the importance of staying vigilant and up-to-date with the latest security patches.
According to Moses, Amazon's threat intelligence team had detected Interlock's activities in their MadPot honeypot network, which logged exploit traffic tied to the cyber attacker's infrastructure. Furthermore, the team spotted a misconfigured infrastructure server that exposed Interlock's attack toolkit. This information provided valuable insights into the tactics, techniques, and procedures (TTPs) used by Interlock.
Interlock is a ransomware crew that emerged in 2025, known for targeting hospitals and medical facilities, including kidney dialysis firm Davita and Kettering Health. The group has also infected the city of Saint Paul, forcing the Minnesota capital to declare a state of national emergency after they claimed to have stolen 43 GB of files.
The tools provided by Interlock are designed to scoop up information about victims' Windows environments, including operating system and hardware details; running services; installed software; storage configuration; Hyper-V virtual machine inventory; user file listings across Desktop, Documents, and Downloads directories; and RDP authentication events from Windows event logs. The group also uses custom remote access trojans (RATs) to maintain persistent access to compromised machines.
In addition to these tools, Interlock's post-exploit toolkit includes a PowerShell script that compresses the collected data into ZIP archives named for each host. This structured per-host output format suggests that the script operates across multiple machines within a network, which is a hallmark of ransomware intrusion chains designed to prepare for organization-wide encryption.
The use of custom RATs and other malicious tools by Interlock highlights the importance of staying informed about emerging threats and ensuring that systems are regularly updated with the latest security patches. This case serves as a reminder that cyber attackers will continue to exploit vulnerabilities in software and networks, and it is essential for organizations to remain vigilant and proactive in protecting their systems.
The incident also underscores the need for better collaboration between cybersecurity professionals, researchers, and law enforcement agencies to share information about emerging threats and track down those responsible. By working together, these parties can help prevent further attacks and protect individuals and organizations from the devastating consequences of ransomware attacks.
In conclusion, the case of Interlock highlights the ongoing threat posed by cyber attackers and the importance of staying informed about emerging vulnerabilities and taking proactive steps to protect systems. As new threats emerge, it is essential for cybersecurity professionals, researchers, and law enforcement agencies to work together to stay one step ahead of these malicious actors.
Related Information:
https://www.ethicalhackingnews.com/articles/Ransomware-Exploits-A-Window-of-Vulnerability-for-Cyber-Attackers-ehn.shtml
https://go.theregister.com/feed/www.theregister.com/2026/03/18/amazon_cisco_firewall_0_day_ransomware/
https://www.theregister.com/2026/03/18/amazon_cisco_firewall_0_day_ransomware/
https://aws.amazon.com/blogs/security/amazon-threat-intelligence-teams-identify-interlock-ransomware-campaign-targeting-enterprise-firewalls/
https://thehackernews.com/2026/03/interlock-ransomware-exploits-cisco-fmc.html
https://cybernews.com/security/cisa-advisory-interlock-ransomware-gang-targets-north-america-europe/
Published: Wed Mar 18 14:01:34 2026 by llama3.2 3B Q4_K_M
