AWS Security Blog
Tag: Threat Intelligence
Amazon Threat Intelligence identifies Russian cyber threat group targeting Western critical infrastructure
As we conclude 2025, Amazon Threat Intelligence is sharing insights about a years-long Russian state-sponsored campaign that represents a significant evolution in critical infrastructure targeting: a tactical pivot where what appear to be misconfigured customer network edge devices became the primary initial access vector, while vulnerability exploitation activity declined. This tactical adaptation enables the same […]
China-nexus cyber threat groups rapidly exploit React2Shell vulnerability (CVE-2025-55182)
December 29, 2025: The blog post was updated to add options for AWS Network Firewall. December 12, 2025: The blog post was updated to clarify when customers need to update their ReactJS version. Within hours of the public disclosure of CVE-2025-55182 (React2Shell) on December 3, 2025, Amazon threat intelligence teams observed active exploitation attempts by […]
New Amazon Threat Intelligence findings: Nation-state actors bridging cyber and kinetic warfare
The new threat landscape The line between cyber warfare and traditional kinetic operations is rapidly blurring. Recent investigations by Amazon threat intelligence teams have uncovered a new trend that they’re calling cyber-enabled kinetic targeting in which nation-state threat actors systematically use cyber operations to enable and enhance physical operations. Traditional cybersecurity frameworks often treat digital […]
Amazon discovers APT exploiting Cisco and Citrix zero-days
The Amazon threat intelligence teams have identified an advanced threat actor exploiting previously undisclosed zero-day vulnerabilities in Cisco Identity Service Engine (ISE) and Citrix systems. The campaign used custom malware and demonstrated access to multiple undisclosed vulnerabilities. This discovery highlights the trend of threat actors focusing on critical identity and network access control infrastructure—the systems […]
Amazon disrupts watering hole campaign by Russia’s APT29
Amazon’s threat intelligence team has identified and disrupted a watering hole campaign conducted by APT29 (also known as Midnight Blizzard), a threat actor associated with Russia’s Foreign Intelligence Service (SVR). Our investigation uncovered an opportunistic watering hole campaign using compromised websites to redirect visitors to malicious infrastructure designed to trick users into authorizing attacker-controlled devices […]
How AWS improves active defense to empower customers
At AWS, security is the top priority, and today we’re excited to share work we’ve been doing towards our goal to make AWS the safest place to run any workload. In earlier posts on this blog, we shared details of our internal active defense systems, like MadPot (global honeypots), Mithra (domain graph neural network), and Sonaris […]
How AWS uses active defense to help protect customers from security threats
AWS is deeply committed to earning and maintaining the trust of customers who rely on us to run their workloads. Security has always been our top priority, which includes designing our own services with security in mind at the outset, and taking proactive measures to mitigate potential threats so that customers can focus on their […]
How Security Operation Centers can use Amazon GuardDuty to detect malicious behavior
The Security Operations Center (SOC) has a tough job. As customers modernize and shift to cloud architectures, the ability to monitor, detect, and respond to risks poses different challenges. In this post we address how Amazon GuardDuty can address some common concerns of the SOC regarding the number of security tools and the overhead to […]
Recovering from a rough Monday morning: An Amazon GuardDuty threat detection and remediation scenario
Amazon GuardDuty is a managed threat detection service that continuously monitors for malicious or unauthorized behavior to help you protect your AWS accounts and workloads. Given the many log types that Amazon GuardDuty analyzes (Amazon Virtual Private Cloud (VPC) Flow Logs, AWS CloudTrail, and DNS logs), you never know what it might discover in your […]






