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Container Security 101

Container registry vulnerability scanning: how to scan ECR, ACR, GCR, and Harbor images
October 7, 2026

Container registry vulnerability scanning: how to scan ECR, ACR, GCR, and Harbor images

Santerra Holler
Santerra Holler
Container registry vulnerability scanning checks the images stored in a registry, such as Amazon ECR, Azure Container Registry (ACR), Google Artifact Registry (the successor to GCR), or Harbor, against known CVE data. It runs when an image is pushed and keeps running afterward, so vulnerable images get flagged before they deploy and again when new…
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What is container image scanning? How it works, best practices, and top tools
October 7, 2026

What is container image scanning? How it works, best practices, and top tools

Santerra Holler
Santerra Holler
Container image scanning is the automated analysis of a container image's layers, operating system packages, application dependencies and build configuration against vulnerability databases. It finds known CVEs, embedded secrets and risky settings before the image runs in production. Every image inherits code from a base image and pulls in open-source libraries nobody on the team…
Read More
Container vulnerability management: how to cut CVE noise and fix what's actually running
October 7, 2026

Container vulnerability management: how to cut CVE noise and fix what’s actually running

Santerra Holler
Santerra Holler
Image scanners flag every vulnerable package they find, including packages that never execute, so a single cluster can produce thousands of findings that no team can work through. Container vulnerability management is the continuous practice of finding, prioritizing, fixing and verifying vulnerabilities in container images and in the workloads that run from them. Priority should…
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Docker container security: 15 best practices from image to runtime
October 6, 2026

Docker container security: 15 best practices from image to runtime

Santerra Holler
Santerra Holler
Docker container security comes down to 15 practices across the container lifecycle. Build minimal, signed images; protect the host and Docker daemon; run every container with least privilege; isolate networks and secrets; and monitor what executes at runtime. Most container breaches follow a few predictable paths: privileged containers, a mounted Docker socket, unpatched images, or…
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Illustration of two side-by-side bento boxes on a blue background. The left box, representing containers, is orange with compartments, and the right box symbolizes VMs in blue with dashed dividers. Upwind is elegantly scripted in the top right corner, hinting at the choice for your infrastructure.
January 22, 2025

Containers vs. VMs: Which is Right for You?

Denise Ashur
Denise Ashur
Containers and virtual machines (VMs) have become more popular due to the shift toward cloud-provided infrastructure. Each method of providing cloud-based services has its benefits and drawbacks — there’s orchestration complexity to consider, but also patch management and isolation boundaries. To be sure, tech teams will have to compare their architecture choices in the context…
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Illustration of three stacked cardboard boxes, two with wrench symbols, symbolizing container security tools. The background is a soft beige color, and Upwind is elegantly written in the top right corner.
January 10, 2025

Choosing the Right Container Security Tool: Open Source? Cloud?

Bar Klinghofer
Bar Klinghofer
While container security tools can identify vulnerabilities and enforce compliance, they can also result in alert fatigue, difficult integrations, and security gaps across disparate environments. The debate isn’t whether to use these tools — it’s how to use them smarter in increasingly intricate setups. We’re breaking down what tools are available and their best use…
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Illustration of the AWS logo surrounded by locked padlock icons on digital tiles, symbolizing AWS container security and protection. The background features a gradient peach color with the word Upwind in the upper right corner.
November 25, 2024

Secure Your AWS Containers with Best Practices

Bar Klinghofer
Bar Klinghofer
Amazon Web Services (AWS) has become the de facto platform for running containers. Thanks to its vast array of services like ECS, EKS, and Fargate, AWS simplifies scaling and orchestration to make containerized apps the backbone of modern cloud-native architectures. However, with widespread adoption comes a unique security challenge: managing a highly dynamic, ever-changing attack…
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An illustration of a grid with blocks featuring padlock symbols, some locked and others open, highlights container security. The soft purple background adds depth, while the term "upwind" graces the top right corner, hinting at the question: What Is Container Security?
November 12, 2024

Secure Your Containers: Best Practices & Solutions

Jonathan Cohen
Jonathan Cohen
Containers spin up and down dynamically. They use varying orchestration platforms, each with its own unique architectures and risks. And differing cloud-managed services like EKS, AKS, and GKE might simplify some security, while introducing secondary IAM complexity. So, is there such a thing as “container security”? What are the fundamentals? We’ve already talked about container…
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Illustration of various colored blocks with symbols, like lightning bolts and a padlock, arranged in a grid on a pink background. "What Is Container Runtime Security?" is subtly inscribed near the word Upwind in the top right corner.
November 1, 2024

Secure Your Containers: A Guide to Runtime Security Best Practices 

Joshua Burgin
Joshua Burgin
Container runtime security means protecting containerized workloads against external threats while actively executing their instructions after launch. But that’s often easier said than done, as best practices can require continuous monitoring and careful coordination within dynamic environments. This blog post takes a deep dive into the tools, processes, and challenges of container runtime security as…
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Illustration of a stack of colorful battery packs, each adorned with lightning bolt symbols. The vibrant pink backdrop features the word "Upwind" in the top right corner, subtly hinting at questions like, "What are Container Runtimes?" amidst an electrifying display.
October 28, 2024

Container Runtimes Explained: Security, Types & Best Practices

Joshua Burgin
Joshua Burgin
Applications need input to function on any operating system, and containers are no exception, needing instructions to run and perform their intended operations. However, given the scale at which containers are deployed within organizations, managing them manually is impractical.  This is where container runtimes come in. While container runtimes solve some challenges, they also manage…
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Container registry vulnerability scanning: how to scan ECR, ACR, GCR, and Harbor images

Container registry vulnerability scanning: how to scan ECR, ACR, GCR, and Harbor images

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Container registry vulnerability scanning checks the images stored in a registry, such as Amazon ECR, Azure Container Registry (ACR), Google Artifact Registry (the successor to GCR), or Harbor, against known CVE data. It runs when an image is pushed and keeps running afterward, so vulnerable images get flagged before they deploy and again when new…
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What is container image scanning? How it works, best practices, and top tools

What is container image scanning? How it works, best practices, and top tools

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Container image scanning is the automated analysis of a container image's layers, operating system packages, application dependencies and build configuration against vulnerability databases. It finds known CVEs, embedded secrets and risky settings before the image runs in production. Every image inherits code from a base image and pulls in open-source libraries nobody on the team…
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Container vulnerability management: how to cut CVE noise and fix what's actually running

Container vulnerability management: how to cut CVE noise and fix what’s actually running

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Image scanners flag every vulnerable package they find, including packages that never execute, so a single cluster can produce thousands of findings that no team can work through. Container vulnerability management is the continuous practice of finding, prioritizing, fixing and verifying vulnerabilities in container images and in the workloads that run from them. Priority should…
Read More
<?php $url = get_permalink(); ?>
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Docker container security: 15 best practices from image to runtime

Docker container security: 15 best practices from image to runtime

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Docker container security comes down to 15 practices across the container lifecycle. Build minimal, signed images; protect the host and Docker daemon; run every container with least privilege; isolate networks and secrets; and monitor what executes at runtime. Most container breaches follow a few predictable paths: privileged containers, a mounted Docker socket, unpatched images, or…
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Illustration of two side-by-side bento boxes on a blue background. The left box, representing containers, is orange with compartments, and the right box symbolizes VMs in blue with dashed dividers. Upwind is elegantly scripted in the top right corner, hinting at the choice for your infrastructure.

Containers vs. VMs: Which is Right for You?

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Containers and virtual machines (VMs) have become more popular due to the shift toward cloud-provided infrastructure. Each method of providing cloud-based services has its benefits and drawbacks — there’s orchestration complexity to consider, but also patch management and isolation boundaries. To be sure, tech teams will have to compare their architecture choices in the context…
Read More
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Illustration of three stacked cardboard boxes, two with wrench symbols, symbolizing container security tools. The background is a soft beige color, and Upwind is elegantly written in the top right corner.

Choosing the Right Container Security Tool: Open Source? Cloud?

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While container security tools can identify vulnerabilities and enforce compliance, they can also result in alert fatigue, difficult integrations, and security gaps across disparate environments. The debate isn’t whether to use these tools — it’s how to use them smarter in increasingly intricate setups. We’re breaking down what tools are available and their best use…
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Illustration of the AWS logo surrounded by locked padlock icons on digital tiles, symbolizing AWS container security and protection. The background features a gradient peach color with the word Upwind in the upper right corner.

Secure Your AWS Containers with Best Practices

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Amazon Web Services (AWS) has become the de facto platform for running containers. Thanks to its vast array of services like ECS, EKS, and Fargate, AWS simplifies scaling and orchestration to make containerized apps the backbone of modern cloud-native architectures. However, with widespread adoption comes a unique security challenge: managing a highly dynamic, ever-changing attack…
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An illustration of a grid with blocks featuring padlock symbols, some locked and others open, highlights container security. The soft purple background adds depth, while the term "upwind" graces the top right corner, hinting at the question: What Is Container Security?

Secure Your Containers: Best Practices & Solutions

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Containers spin up and down dynamically. They use varying orchestration platforms, each with its own unique architectures and risks. And differing cloud-managed services like EKS, AKS, and GKE might simplify some security, while introducing secondary IAM complexity. So, is there such a thing as “container security”? What are the fundamentals? We’ve already talked about container…
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Illustration of various colored blocks with symbols, like lightning bolts and a padlock, arranged in a grid on a pink background. "What Is Container Runtime Security?" is subtly inscribed near the word Upwind in the top right corner.

Secure Your Containers: A Guide to Runtime Security Best Practices 

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Container runtime security means protecting containerized workloads against external threats while actively executing their instructions after launch. But that’s often easier said than done, as best practices can require continuous monitoring and careful coordination within dynamic environments. This blog post takes a deep dive into the tools, processes, and challenges of container runtime security as…
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Illustration of a stack of colorful battery packs, each adorned with lightning bolt symbols. The vibrant pink backdrop features the word "Upwind" in the top right corner, subtly hinting at questions like, "What are Container Runtimes?" amidst an electrifying display.

Container Runtimes Explained: Security, Types & Best Practices

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Applications need input to function on any operating system, and containers are no exception, needing instructions to run and perform their intended operations. However, given the scale at which containers are deployed within organizations, managing them manually is impractical.  This is where container runtimes come in. While container runtimes solve some challenges, they also manage…
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_container-scanning

Container Vulnerability Scanning: A Comprehensive Guide

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Ninety-six percent of 3rd-party container applications contain vulnerabilities. While that rate may seem high, containerization comes with its own benefits that can give DevOps teams a competitive edge. Containers are here to stay. In this article, we’re diving into container scanning features and related tools so you can get the most out of this flexible…
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.uw-bf-copy-notify {
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.uw-bf-copy-btn.is-copied .uw-bf-copy-notify {
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