# network security Network security is the discipline of protecting computer networks and transmitted data from unauthorized access, misuse, disruption, and tampering. This is one page of public article previews, not the complete archive. Follow Next page to continue. Summaries are not the original full articles. ## Netpicker AI Assistant: AI-Assisted Network Operations and Compliance DevFeed: [Netpicker AI Assistant: AI-Assisted Network Operations and Compliance]() Original publisher: [Read original article]() Author: Rick Donato Published: 2026-09-03T12:27:49Z Content type: article Language: en Sources: [Packet Coders - Learn Network Automation]() Topics: [Artificial Intelligence](), [Network](), [Network Configuration](), [network security](), [configuration](), [incident](), [Testing]() Tags: [ai](), [blog](), [configuration-management](), [incident](), [network](), [network-configuration](), [network-security](), [testing]() ### AI overview The article explains how Netpicker's AI Assistant connects natural-language interaction with network data and operational capabilities such as configuration backups, compliance results, CVE information, device state, and automation jobs. It describes use cases for network troubleshooting, security operations, and configuration management, including investigating recent configuration changes during incidents. ### Source excerpt Introduction The real value is not in asking a model how BGP works or how to configure a VLAN. It comes from connecting AI to the tools and data we already use to operate the network, including configuration backups, compliance results, CVE data, device state and automation jobs. This is ## Extend your data perimeter to the AWS Management Console with Private Access DevFeed: [Extend your data perimeter to the AWS Management Console with Private Access]() Original publisher: [Read original article]() Author: Madhur Kulkarni Published: 2026-08-28T18:53:57Z Content type: article Language: en Sources: [AWS Security Blog]() Topics: [AWS Management Console](), [VPC](), [network security](), [Authentication](), [Amazon Web Services](), [Virtual Private Network](), [Amazon EC2](), [Amazon WorkSpaces]() Tags: [advanced-300](), [authentication](), [aws](), [aws-management-console](), [aws-organizations](), [iam](), [network](), [network-security](), [private-access](), [routing](), [security](), [security-blog](), [security-identity-compliance](), [technical-how-to](), [vpc]() ### AI overview AWS Management Console Private Access is generally available with support for VPCs without internet connectivity. Supported console traffic, including authentication flows, static assets, console-only APIs, and AWS service API calls, can route through VPC endpoints, eliminating the need for an internet gateway, NAT gateway, or public-internet route. ### Source excerpt Organizations in regulated industries such as financial services, government, defense, and healthcare restrict their sensitive workloads to isolated network environments with no access to the public internet. Until now, customers could restrict AWS Management Console access to authorized AWS accounts and corporate networks, but the console itself required internet connectivity. This was creating tension between [...] ## A decade of mathematical certainty: Reflections on the Automated Reasoning Group DevFeed: [A decade of mathematical certainty: Reflections on the Automated Reasoning Group]() Original publisher: [Read original article]() Author: Byron Cook Published: 2026-08-11T16:22:19Z Content type: article Language: en Sources: [Amazon Science homepage]() Topics: [Automated reasoning](), [Formal verification](), [Math and Logic](), [systems](), [Amazon Web Services](), [VPC](), [network security](), [Security](), [AWS IAM](), [Amazon S3](), [Cloud](), [amazon]() Tags: [agentic-ai](), [amazon](), [amazon-web-services-aws](), [automated-reasoning](), [aws](), [compliance](), [formal-verification](), [network-security](), [security](), [security-privacy-and-abuse-prevention](), [vpc](), [vulnerabilities]() ### AI overview Amazon's Automated Reasoning Group reflects on a decade of applying mathematical logic, formal verification, and program analysis to AWS security and reliability. The article describes how research projects became production systems, including Tiros for VPC and network analysis and Zelkova for analyzing policies, S3 Block Public Access, and IAM Access Analyzer. ### Source excerpt Ten years after we founded the Automated Reasoning Group, mathematical logic has moved from academic research into production services that secure millions of customer workloads -- demonstrating that systems can be provably correct, not just probably correct. ## Connect OpenSearch to private ML endpoints DevFeed: [Connect OpenSearch to private ML endpoints]() Original publisher: [Read original article]() Author: Nathalie Jonathan Published: 2026-07-28T15:00:41Z Content type: tutorial Language: en Sources: [OpenSearch]() Topics: [Amazon OpenSearch Service](), [network security](), [VPC](), [inference-endpoints](), [Security](), [AWS IAM](), [Latency](), [Self-hosted](), [Amazon Web Services]() Tags: [aws](), [aws-identity-and-access-management-iam](), [blog](), [firewalls](), [inference](), [infrastructure](), [opensearch](), [production](), [self-hosted](), [vpc]() ### AI overview This guide explains how to connect OpenSearch and Amazon OpenSearch Service to machine learning models hosted on private infrastructure. It covers VPC-hosted endpoints, private SageMaker endpoints, internal API gateways, and self-hosted inference servers, with configuration steps for connectors, model registration, deployment, testing, and VPC egress. ### Source excerpt Connect OpenSearch to ML models hosted on private infrastructure. Configure ML Commons connectors for VPC-hosted endpoints, private SageMaker models, and internal inference servers without exposing services to the public internet The post Connect OpenSearch to private ML endpoints appeared first on OpenSearch. ## Unpatchable Vulnerabilities of Kubernetes: CVE-2021-25740 DevFeed: [Unpatchable Vulnerabilities of Kubernetes: CVE-2021-25740]() Original publisher: [Read original article]() Author: Rory McCune Published: 2026-05-21T00:00:00Z Content type: article Language: en Sources: [Datadog Security Labs]() Topics: [Kubernetes](), [Vulnerabilities](), [network security](), [Deployment](), [nginx]() Tags: [kubernetes](), [network](), [network-security](), [server](), [vulnerabilities](), [vulnerability]() ### AI overview This article examines CVE-2021-25740, an unpatchable Kubernetes vulnerability in which users able to modify relevant service endpoint objects can redirect shared ingress or load balancer traffic to endpoints in other tenants' namespaces. It explains the Kubernetes service and endpoint mechanisms behind the issue and its risk in multi-tenant clusters. ### Source excerpt A look at how Kubernetes CVE-2021-25740 allows users with EndpointSlice access to redirect traffic via shared ingress and load balancer services. ## PCI Compliance Checklist for SaaS and Digital Products DevFeed: [PCI Compliance Checklist for SaaS and Digital Products]() Original publisher: [Read original article]() Author: Ayush Agarwal Published: 2026-04-15T00:00:00Z Content type: tutorial Language: en Sources: [Dodo Payments Blog]() Topics: [Software as a service](), [Security](), [network security](), [Firewall](), [data](), [Encryption](), [TLS (Transport Layer Security)](), [Authorization]() Tags: [compliance](), [configuration](), [cryptography](), [data-protection](), [digital-products](), [firewall](), [merchant-of-record](), [network-security](), [requirements](), [saas](), [scope](), [security](), [tls]() ### AI overview A practical PCI DSS compliance checklist for SaaS companies and digital product sellers. It explains how checkout architecture determines SAQ requirements, how hosted checkouts and merchant-of-record services can reduce compliance scope, and which network security, data protection, and access-control practices are required. ### Source excerpt A practical PCI compliance checklist for SaaS companies selling digital products. Understand SAQ types, scope reduction, and how a merchant of record simplifies compliance. ## Unpatchable Vulnerabilities of Kubernetes: CVE-2020-8562 DevFeed: [Unpatchable Vulnerabilities of Kubernetes: CVE-2020-8562]() Original publisher: [Read original article]() Author: Rory McCune Published: 2026-04-09T00:00:00Z Content type: article Language: en Sources: [Datadog Security Labs]() Topics: [Kubernetes](), [Vulnerabilities](), [API](), [network security](), [Network]() Tags: [api](), [attacks](), [cve](), [dns](), [kubernetes](), [network-security](), [vulnerabilities]() ### AI overview This article examines Kubernetes CVE-2020-8562, an unpatchable time-of-check to time-of-use vulnerability in the API server proxy. Attackers with sufficient privileges can exploit inconsistent DNS resolution responses to bypass protections against proxying requests to private IPv4 addresses and reach services in restricted network zones. ### Source excerpt A look at how Kubernetes CVE-2020-8562 allows attackers to bypass API server proxy protections using DNS rebinding ## exploits.club Weekly Newsletter 90 - Fuzzing Rust Subsystems, Pwn2Own Near Misses, Linux 1-Days, And More DevFeed: [exploits.club Weekly Newsletter 90 - Fuzzing Rust Subsystems, Pwn2Own Near Misses, Linux 1-Days, And More]() Original publisher: [Read original article]() Author: exploits.club Published: 2025-10-23T17:00:02Z Content type: news Language: en Sources: [exploits.club]() Topics: [Fuzzing/Fuzz testing](), [Rust](), [vulnerability](), [Security](), [Linux](), [network security](), [Kernel](), [Parsing]() Tags: [fuzzing](), [kernel](), [linux](), [network-security](), [parsing](), [rce](), [rust](), [security](), [vulnerability]() ### AI overview This weekly newsletter rounds up security research and developer-related resources, including fuzzing of Rust code in the Windows kernel, a WatchGuard Fireware OS vulnerability analysis, and a near-miss Pwn2Own printer exploit write-up. ### Source excerpt Good thing that absolutely no drama whatsoever took place for US vuln research firms this week...annnnnyways 👇 In Case You Missed It... OffensiveCon CFP - Closes March 1st, 2026 so let the procrastination begin! RE//Verse CFP - These need to be in by November 14th, so a bit less procrastinating. ## Building ClickHouse BYOC (Bring Your Own Cloud) on AWS DevFeed: [Building ClickHouse BYOC (Bring Your Own Cloud) on AWS]() Original publisher: [Read original article]() Author: Jianfei Hu; Yiyang Shao Published: 2025-03-12T15:09:23Z Content type: article Language: en Sources: [ClickHouse Blog]() Topics: [clickhouse](), [Amazon Web Services](), [cloud-infrastructure](), [Amazon VPC](), [Automation](), [Provisioning](), [Amazon Elastic Kubernetes Service](), [network security](), [Security](), [AWS IAM](), [Kubernetes]() Tags: [automation](), [aws](), [clickhouse](), [cloud](), [iam](), [infrastructure](), [kubernetes](), [network](), [network-security](), [provisioning](), [security](), [vpc]() ### AI overview This article explains how ClickHouse built a Bring Your Own Cloud (BYOC) offering on AWS. It covers deploying ClickHouse Cloud into customer-controlled VPCs and the engineering challenges of infrastructure automation, networking, security, compliance, resource management, auto-provisioning, scaling, and simplifying Kubernetes operations. ### Source excerpt Learn how we built ClickHouse BYOC (Bring Your Own Cloud) on AWS, tackling challenges like infrastructure automation, network security, and resource management to deliver a seamless, fully managed deployment within customer-controlled environments. ## Blog: Automate Kubernetes Network Security with Falco Talon DevFeed: [Blog: Automate Kubernetes Network Security with Falco Talon]() Original publisher: [Read original article]() Published: 2024-02-09T00:00:00Z Content type: article Language: en Sources: [Falco - Falco](), [Falco - The Falco blog]() Topics: [Kubernetes](), [Falco](), [network security](), [threat detection](), [C2]() Tags: [c2](), [falco](), [kubernetes](), [network-security](), [security](), [security-concept](), [threat-detection]() ### AI overview This article explains how Falco Talon can automate Kubernetes network security by responding to detected threats and updating network policies. It describes the limitations of IP-based policies and proposes using labels to isolate suspicious network traffic at runtime. ### Source excerpt Falco Talon Repository: https://github.com/Falco-Talon/falco-talon Falco Talon Documentation: https://falco-talon.github.io/ Falco Talon is currently under active development and remains in the alpha stage; therefore, breaking changes may occur at any time, and the documentation may not always be up to date. Setting up robust network security in Kubernetes is a challenge that demands both precision and adaptability. NetworkPolicy offers the potential for highly specific network configurations, enabling or blocking traffic based on a comprehensive set of criteria. However, the dynamic nature of network topologies and the complexities of managing policy implementations present ongoing challenges. The need for constant policy updates, especially in response to changing threat landscapes, introduces risks such as the potential for misconfiguration and the unintended dropping of packets. The Challenge of IP-Based Network Policies Building network policies around IP addresses is notoriously challenging. For instance, threat feeds, which list known malicious IP addresses, are constantly changing. An IP address associated with a malicious entity one week might be reassigned and deemed safe the next. This fluidity necessitates an agile approach to network policy management, integrating solutions like NetworkSets to dynamically update policies based on the latest intelligence. However, the sheer volume of threat intelligence feeds - from Tor IP lists to cryptomining blocklists - complicates this integration, making it a daunting task to maintain accurate network controls. Here, Falco Talon emerges as a transformative solution. By leveraging Falco's detection capabilities, such as identifying Outbound Connections to C2 Servers, Falco Talon can instantly update Kubernetes network policies to block all egress traffic except allowed CIDR ranges. This is facilitated through the kubernetes:networkpolicy Talon action, demonstrating a seamless integration of dynamic threat detection ## Cybersecurity hygiene in co-working spaces: A practical guide DevFeed: [Cybersecurity hygiene in co-working spaces: A practical guide]() Original publisher: [Read original article]() Published: 2024-01-02T00:00:00Z Content type: tutorial Language: en Sources: [Chainguard: Unchained]() Topics: [Cybersecurity](), [Kubernetes](), [Endpoint security](), [network security](), [Application Security](), [Incident response](), [Git](), [MFA](), [USB]() Tags: [cybersecurity](), [endpoint-security](), [git](), [github-vulnerability](), [guide](), [incident](), [incident-response](), [kubernetes](), [kubernetes-security](), [least-privilege](), [network-security](), [security-best-practices](), [usb]() ### AI overview A practical guide to cybersecurity hygiene in co-working spaces. It covers Kubernetes security, Git repository protection, device safety, layered defenses, incident response, and security awareness training. ### Source excerpt Navigate the cybersecurity landscape in shared work environments with essential tips on device safety and incident response. ## BeyondCorp, Federal Zero Trust Architecture Strategy and Teleport DevFeed: [BeyondCorp, Federal Zero Trust Architecture Strategy and Teleport]() Original publisher: [Read original article]() Author: info@goteleport.com (Aleksandr Klizhentas, Sakshyam Shah) Published: 2023-03-02T00:00:00Z Content type: article Language: en Sources: [Teleport]() Topics: [Zero Trust](), [Access Control](), [Security](), [network security](), [Google]() Tags: [access-control](), [google](), [implementation](), [network-security](), [open-source](), [security](), [zero-trust]() ### AI overview The article reviews BeyondCorp and the U.S. federal Zero Trust Architecture strategy, then explains how Teleport extends their principles for secure infrastructure access. It discusses verified identities, trusted devices, identity-aware proxies, centralized access control, and the relationship between security and developer workflow. ### Source excerpt Reviewing how Teleport extends BeyondCorp and federal zero trust architecture (ZTA). ## How to Secure Redis DevFeed: [How to Secure Redis]() Original publisher: [Read original article]() Author: info@goteleport.com (Kainaat Arshad) Published: 2022-08-02T00:00:00Z Content type: tutorial Language: en Sources: [Teleport]() Topics: [Redis](), [Security](), [Access Control](), [network security](), [pii]() Tags: [access-control](), [authentication](), [hardening](), [how-to](), [network-security](), [redis](), [security](), [security-vulnerabilities]() ### AI overview This tutorial explains how to secure and harden Redis deployments. It covers the risks of low-security defaults, personally identifiable information in cache, exposure to internet-based attacks, and network-, transport-, and database-level security practices. ### Source excerpt An overview of best practices for securing and hardening Redis deployments. ## Alternatives to a Corporate VPN DevFeed: [Alternatives to a Corporate VPN]() Original publisher: [Read original article]() Author: info@goteleport.com (Shivashish Yadav) Published: 2022-04-20T00:00:00Z Content type: article Language: en Sources: [Teleport]() Topics: [Virtual Private Network](), [network security](), [remote access](), [Vulnerabilities](), [Network Segmentation](), [Zero Trust](), [Firewall]() Tags: [corporate](), [firewalls](), [network-segmentation](), [remote-access](), [security](), [security-vulnerabilities](), [vpn](), [zero-trust]() ### AI overview This article explains why corporate VPNs can create security and access-control risks, particularly for remote work and third-party connections. It discusses data-leak exposure, shared passwords, insufficient resource-level access controls, and the need for network segmentation, firewalls, least-privilege access, or a zero-trust model as alternatives or safeguards. ### Source excerpt VPNs were once the gold standard for network security, but they have limits. This post dives into perimeter-based security limits and offers modern VPN alternatives. ## VPNs and Zero Trust - Evolution of Remote Access DevFeed: [VPNs and Zero Trust - Evolution of Remote Access]() Original publisher: [Read original article]() Author: info@goteleport.com (Kevin Nisbet) Published: 2020-06-03T00:00:00Z Content type: opinion Language: en Sources: [Teleport]() Topics: [Zero Trust](), [remote access](), [network security](), [Security](), [Networks](), [trust]() Tags: [network-security](), [networks](), [remote-access](), [security](), [trust](), [zero-trust]() ### AI overview The article compares Zero Trust with traditional network security models, focusing on remote access areas historically protected by VPNs. It presents Zero Trust as a practical model for reducing implicit trust by assuming adversaries may breach network barriers and operate inside networks. ### Source excerpt Compare Zero Trust with "traditional" network security models focusing on the access portions of networks ## Wormhole: Network Security for Kubernetes DevFeed: [Wormhole: Network Security for Kubernetes]() Original publisher: [Read original article]() Author: info@goteleport.com (Kevin Nisbet) Published: 2019-05-30T00:00:00Z Content type: opinion Language: en Sources: [Teleport]() Topics: [Kubernetes](), [network security](), [Encryption](), [Virtual Private Network]() Tags: [encryption](), [kubernetes](), [network-security](), [network-traffic](), [prometheus](), [security](), [vpn]() ### AI overview This article examines Wormhole, a Kubernetes networking plugin that uses WireGuard to transparently encrypt internal cluster communications. It discusses how Kubernetes network plugins and applications may trust the underlying network, and how observing cluster DNS queries and Prometheus metrics traffic can expose operational information. The article explains the security and information-leakage considerations behind encrypting internal traffic. ### Source excerpt Discussion on Wormhole - networking plugin for Kubernetes. How do Kubernetes solutions trust the underlying network? - What about WireGuard/Wormhole? ## First Impressions as Etsy's Senior Network Security Engineer DevFeed: [First Impressions as Etsy's Senior Network Security Engineer]() Original publisher: [Read original article]() Published: 2012-05-08T14:38:24Z Content type: opinion Language: en Sources: [Signs of Triviality]() Topics: [network security](), [jobs]() Tags: [jobs](), [network-security]() ### AI overview The author shares first impressions after joining Etsy as a Senior Network Security Engineer on April 24, 2012. ### Source excerpt I've switched jobs. Again. Since April 24th 2012, I work as a "Senior Network Security Engineer" at Etsy, and here are a few first impressions.