Attackers Expose Ongoing AI Tool Use Targeting Organizations in Latin America

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AI Cybersecurity Classified by Officially

We have analyzed two ongoing, multi-stage network intrusion and data-exfiltration campaigns targeting organizations in Latin America. Corroborating recent findings from the broader threat intelligence community, we observed attackers leveraging artificial intelligence (AI) to enhance their capabilities.

Our investigation categorizes this activity as follows:

  • Mexican transportation campaign: This campaign impacted a transportation organization, alongside federal government ministries and municipal water utilities in Mexico and Ecuador. Operators relied on living-off-the-land (LotL) techniques. They executed iterative batch scripts to manipulate and exfiltrate sensitive data, and self-hosted NextChat instances on operational infrastructure. We track the activity in this cluster as CL-CRI-1131.
  • Brazilian financial campaign: Attackers targeted the Brazilian financial sector. We observed an expansion of previously reported targeting of vulnerable web servers in a job-themed phishing campaign. The attackers employed custom remote access Trojans (RATs) and tunneling tools, including a Go-based SOCKS5 proxy with iterative filenames that suggest AI-enablement. We track the activity in this cluster as CL-CRI-1163.
  • We track them as two separate activity clusters with distinct geographic focuses. However, the technical and behavioral overlaps between CL-CRI-1131 and CL-CRI-1163 highlight shifting trends in Latin American targeting and threat actor tooling.

    Both clusters have overlapping SOCKS5 relay infrastructure and they both rely on AI to orchestrate operations via commercial large language models (LLMs). This signals a broader evolution in the regional threat landscape. Rather than isolated incidents, these clusters demonstrate how diverse threat groups in Latin America are independently adopting advanced proxy networks and AI integration to streamline their execution.

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    September 18, 2026 11:34
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