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Under Active Attack

Executive Summary

Between 2021 and 2025, Amazon's threat intelligence team uncovered a multi-year cyber campaign attributed to Russia's Main Intelligence Directorate (GRU), specifically associated with APT44/Sandworm. The attackers targeted Western energy sector organizations, critical infrastructure providers, and cloud-hosted network environments by exploiting vulnerabilities and, increasingly, leveraging misconfigured network edge devices. This facilitated credential interception and lateral movement through persistent network access, with efforts focused on credential harvesting and replay against victim organizations. Amazon responded by notifying affected customers and disrupting active operations, limiting further impact.

This incident underscores the sophistication and persistence of nation-state actors in targeting vital infrastructure by adapting TTPs to minimize exposure. The campaign signals an urgent shift towards exploiting cloud and network misconfigurations rather than relying solely on zero-day vulnerabilities—a trend that broadens risk for organizations across sectors.

Why This Matters Now

This incident highlights the pressing need for improved cloud and network edge security, as attackers are increasingly targeting misconfigurations over traditional software flaws. With critical infrastructure at risk and threat actors adapting rapidly, organizations must update security controls and monitoring practices urgently to address this evolving threat landscape.

Attack Path Analysis

Related CVEs

MITRE ATT&CK® Techniques

Potential Compliance Exposure

Sector Implications

Sources

Frequently Asked Questions

Enforcing encrypted traffic, robust network segmentation, and centralized cloud visibility—aligned with frameworks like NIST 800-53 and Zero Trust Maturity—could reduce exposure to similar attacks.

Cloud Native Security Fabric Mitigations and ControlsCNSF

Implementing CNSF zero trust segmentation, east-west traffic controls, encryption-in-transit, and robust egress policy enforcement would have significantly constrained this attack at multiple stages, blocking lateral movement, credential harvesting, and data exfiltration. CNSF’s visibility and inline policy enforcement are critical to detecting early-stage compromise and halting malicious persistence in cloud-hosted edge environments.

Initial Compromise

Control: Cloud Firewall (ACF)

Mitigation: Blocked unauthorized external access to management interfaces.

Privilege Escalation

Control: Encrypted Traffic (HPE)

Mitigation: Prevented credential sniffing and interception.

Lateral Movement

Control: Zero Trust Segmentation

Mitigation: Restricted intra-cloud movement to only explicitly allowed identities and services.

Command & Control

Control: Egress Security & Policy Enforcement

Mitigation: Blocked or alerted on unauthorized outbound C2 connections.

Exfiltration

Control: Inline IPS (Suricata)

Mitigation: Detected and blocked known data exfiltration signatures.

Impact (Mitigations)

Real-time alerting on anomalous behavior enabled rapid incident response.

Impact at a Glance

Affected Business Functions

  • Energy Production
  • Cloud Services
  • Network Management
Operational Disruption

Estimated downtime: 7 days

Financial Impact

Estimated loss: $5,000,000

Data Exposure

Potential exposure of sensitive operational data and customer information due to unauthorized access and credential harvesting.

Recommended Actions

  • • Audit and restrict exposure of all edge device management interfaces and enforce cloud firewall policies.
  • • Deploy mandatory encrypted-in-transit controls (e.g., MACsec/IPsec) for all sensitive cloud and network traffic.
  • • Apply granular zero trust segmentation and least-privilege policies for intra-cloud and hybrid network flows.
  • • Enforce centralized egress filtering and inline IPS to prevent covert C2 and exfiltration attempts.
  • • Monitor for credential harvesting patterns and anomalous activity with continuous threat detection and rapid response automation.

Secure the Paths Between Cloud Workloads

A cloud-native security fabric that enforces Zero Trust across workload communication—reducing attack paths, compliance risk, and operational complexity.

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