Questions tagged [security]

For questions related to IT Security, Information Security or DevSecOps.

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2
votes
1answer
63 views

How not expose my backend

I'm studying Docker and how to properly publish my containers coding a very simple web application. It has only two containers, backend and frontend. I've published the source code here: https://...
1
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0answers
11 views

Is it possible to share Kerbeos ticket from host system with Docker container

I'm trying to make a PoC. Host OS gets Kerberos ticket. There is a Docker container running on host OS. Docker container needs to get/hijack this ticket somehow it order to call some external services ...
1
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1answer
29 views

How to protect secrets whilst enabling the ability to amend a pipeline

I'm writing a CI pipeline using GitHub Actions. The pipeline will build a Docker image, which it will then push to our Docker repository (AWS ECR). In order to talk to ECR, we'll need to provide a ...
1
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1answer
15 views

Is there a way to tell if an Azure Devops Extension is secure to use?

How do I know that an Azure Devops Extension does not do anything really bad? A company that I know of uses Microsoft's Azure Devops platform to manage its software development. Microsoft also ...
1
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1answer
15 views

How do I setup an OpenShift route that will allow both 80 and 443 traffic to my app?

I'd like to setup a route that will pass both 80 and 443 traffic to the same service in OpenShift. When I try to create a second route it errors out. I want this to be in a yaml like would be used ...
2
votes
1answer
27 views

Company is worried about exposing our PII to Tableau, Can we run Tableau without exposing our data to any 3rd parties?

I'm looking to understand a bit more from the technical side about how Tableau (The company itself) works with the data that everyone is providing them. My company is looking to use Tableau as our ...
1
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1answer
16 views

Weird requests filling apache access logs [closed]

I'm running a public apache2 webserver. I'm getting a lot of this kind of requests on my webserver: 91.251.142.16 - - [07/Mar/2020:19:58:09 +0100] "\xe8\x95h\x8d\xf0\x1d\x99Q\xb8~\xb5\xbc\xa7*\x1c\...
4
votes
2answers
89 views

What is the Prometheus and Grafana ideal setup?

I am just wondering. If I have many environments monitored via Prometheus, what will be the best configuration? The security and efficiency are already important for on-premise installations but ...
2
votes
2answers
93 views

How do I expire users credentials for Kubernetes in Azure?

I am looking for information on how to forcefully expire users credentials in Azure Kubernetes Service (AKS). The reason is to better understand Security models and protecting Kubernetes deployments ...
0
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2answers
33 views

How to run Ansible command to update imunify360 settings

How can I use Ansible to run the following CloudLinux Imunify360 commands properly on CloudLinux 7 (similar to CentOS7)? I tried different ways to "escape" the colons in the commands and it doesn't ...
0
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0answers
17 views

Auto-install all security updates on new eksctl nodes

When I create a new nodegroup in my cluster with eksctl create nodegroup --config-file=cf.yaml, I'd like the newly created ec2 instances to start with all available security updates installed. By ...
1
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0answers
41 views

How to get alert for LDAP issues

I want to run some script which checks for LDAP issue, and in case it found something, it sent me alert. I thought using ssh command with some generic user, but I'm not sure what is the response I'm ...
0
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1answer
26 views

Unable to connect to remote service using AWS VPC Peering

I have a question regarding some AWS infra I'm trying to build. Due to legacy constraints, I have a service running in a remote VPC that I need to access, and I have a new service I'm developing in ...
0
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1answer
83 views

Ansible SSH best practices

What are the best practices to be followed wrt security when it comes to SSH authentication (password less, key based, etc.) when setting up Ansible in a new environment with 1000s of machines? Which ...
1
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1answer
17 views

How to create unique GPG Keys for different environments / projects

After searching and reading various documents it remains unclear to me as to an effective/straightforward manner to create/maintain multiple sets of GPG Keys. I have a project that needs unique GPG ...
1
vote
1answer
110 views

Assign Directory Read/Write Privileges to Azure Service Principal from the command line?

I am trying to provision a user in Azure Active Directory using Terraform's AzureAD provider. At the top of the azuread_user documentation, it states: NOTE: If you're authenticating using a ...
2
votes
1answer
29 views

How to verify hashes of Ansible Galaxy dependencies?

From a security perspective, I don't like the idea of relying only on Git tags, as they could be moved later. Unfortunately, I'm not aware of an official solution to enforce checks. This is the best ...
4
votes
1answer
364 views

What are the best practices for anti-virus / anti-malware when using containers?

One of the SOC 2 controls is apparently around ensuring antivirus/anti-spam/anti-malware is running on production servers. I've been googling to see if there are any recommendation/best practices for ...
3
votes
1answer
40 views

Provide customers with access to Azure Container Registry

I'm using Azure Container Registry for private Docker images. I want to let around 500 customers pull images and use the Docker V2 HTTP API to read metadata. Service Principals are one way to go ...
1
vote
1answer
26 views

Mitigating Docker Compliance Issues - Can I put everything in the `daemon.json`?

I am going through compliance tasks to harden our Docker setup and I am seeing many things like Favor using docker run with docker run --pids-limit 100 to prevent forkbombs Favor using docker run ...
1
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0answers
11 views

Recomendation for automated rotation of a JSON keyring?

I have a Sailsjs app that is configured to encrypt model attributes with sensitive information. This seems to use bcrypt, under the hood and leverages a JSON keyring in the configuration (...
1
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0answers
55 views

Per machine credentials for privileges escalation using AWX [duplicate]

I have an inventory with a lot of hosts in it using the same credentials, but one host needs a different approach. For the ssh connection a different user is used, after the connection is established, ...
0
votes
1answer
48 views

Securely saving AZURE_STORAGE_KEY and storage account name in Linux systems

The Azure CLI official documentation states that environmental variables can be used inside bash scripts to store AZURE_STORAGE_ACCOUNT and AZURE_STORAGE_KEY, like this: Compared to AWS CLI this ...
2
votes
1answer
31 views

Restrict user logon in Jenkins

We have been using groovy script to read the build queue state: def builder = new groovy.json.JsonBuilder() builder { queueItems(Jenkins.instance.queue.items.collect { obj -> [ id:...
1
vote
1answer
52 views

Are using TestContainers safe for integration tests?

I have a discussion with our DevOps about using Testcontainers for integration tests. It's a tool to bring up throw-away containers for testing. The testcontainers need a environment variable ...
2
votes
1answer
184 views

Azure Security Center with Ubuntu 19

Has anyone successfully gotten the Azure Security Center agent to work with Ubuntu 19? My omsconfig.log is full of messages like This event indicates that failure happens when LCM is trying to get ...
2
votes
1answer
540 views

Accessing TPM from inside a Docker Container

I want to implement Vault as part of the DevOps build pipeline to store all the secrets like passwords and certificates. I understand that Vault keeps the data encrypted but I have been asked me to ...
0
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2answers
47 views

What is the most common server permission policy for web application deployment?

I have a server with Ubuntu with a web server (Apache or Nginx) running a PHP application. The application consists of the following parts: An executable code that handles HTTP requests (say in the /...
1
vote
1answer
67 views

How can I expose port 3389 using a secure approach

Within our legacy infrastructure we need to keep port 3389 exposed so that we can remote desktop into this server (note that we can't go back and utilize IaC to prevent this). We currently restrict ...
5
votes
2answers
87 views

Securing communication between cloud VMs without private networks. Any strategy besides building own VPN? Spiped?

I am working on an application that requires a number of different services (web application + database + worker queues, XMPP server for messaging, redis, central authentication via LDAP, etc). For my ...
3
votes
1answer
82 views

How to securely pass sensitive data to EC2 Spot instances?

Right now, we only use EC2 on-demand instances, and we provision sensitive data (credentials, private keys, etc.) on the instances' EBS which are encrypted with a KMS key. My understanding is that I ...
1
vote
0answers
88 views

How to setup external service (keycloak) to protect an app in kubernetes? [closed]

I have a java application protected by keycloak (that's an standalone application for session control which runs on port 9080). Keycloak is available to world because during auth process, my app ...
2
votes
0answers
75 views

What security loopholes does Istio tackle?

My application consists of four microservices. (hr, salary, stock and employee). Users of the application access the "hr" service using http. To fulfill this request the hr microservice communicates ...
2
votes
1answer
4k views

How can you pass private environment variables to FARGATE tasks specified from a Docker Compose config

I am using an existing docker-compose.yml to migrate an app to ECS. The config references several $ENV vars which I used to pass in simply as environment variables when running docker-compose up. One ...
-3
votes
2answers
643 views

How can CaaS, PaaS, and FaaS users know if the operating system of their server environment is of the newest release?

Please consider this chart a moment; it shows the different hosting models common today: From the chart I learn that CaaS, PaaS and FaaS are three hosting-models by which a user can't control the OS ...
2
votes
1answer
362 views

Context of DevOps in ISO 27001 security audits

Correct me if I am wrong, ISO 27001 addresses mostly organizational and operational aspects. This sounds a little bit abstract and regulatory. On the other hand, in DevOps, if you wish DevSecOps, ...
0
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2answers
88 views

Understanding and tweaking AWS policies for job functions

There are quite many possibilities to configure AWS policies; Amazon has therefore provided policies for job functions. Now is it anyhow possible to sneak into JSON code of these policies to learn in ...
4
votes
2answers
1k views

Docker security risks passing secrets over environment variables

I'm new to Docker and want to put my Django web application into containers. For the last couple days I'm struggling with passing credentials safe to containers. Online there is always the hint ...
1
vote
1answer
510 views

Error during setup of clairctl for container scanning with clair

I am trying to setup clairctl to scan our application images and so wanted to install the full stack of clairctl, clair scanner & postgress database. I did the following steps: Acquired a VM ...
1
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0answers
106 views

MFA for Artifactory Cloud

We're using Artifactory Cloud for our artifact repository. Our compliance people now demand that logins need to be MFA. It appears to me that the only way to get MFA (multifactor authentication, ...
2
votes
1answer
29 views

How to avoid an avalanche of images in Openshift when security patches keep coming in?

Our applications are based on tomcat, strictly speaking on tomcat base s2i image provided by RedHat. This is updated quite frequently, and we need to comply to some regulations and apply the updates. ...
2
votes
1answer
47 views

Bad practice having a single SSH gateway with access to all environments?

I have started at a new company and am in the process of locking down SSH access to be through a single SSH gateway server. My question is, should I create a separate SSH gateway server for each ...
1
vote
1answer
101 views

Possibility of container breakout compared to VM (virtual machines)

What is exactly the (higher) vulnerability at least theoretically of a container compared to VM? given, all security recommendations are implemented (like, user context is root, no host sensitive ...
0
votes
1answer
34 views

What are best practices for securing connections between CI and artifact managers in the cloud?

Bitbucket, github, circleci are examples of Continuous Integration and Continuous Deployment (CI/CD) tools in the cloud. In the past, a lot of companies ran all services, like CI/CD and artifact ...
1
vote
1answer
50 views

Does the Chef bash resource create history entries?

I know that using a password in the command line is a bad idea because bash commands can be recorded in history. If I run a command in the chef bash resource though, when I look up the history I don'...
3
votes
0answers
196 views

Encrypted at rest persistent volume in kubernetes? [closed]

Is there a recommended approach to using encrypted file system for persistent volumes in kubernetes? Perhaps mounting a LUKS fs disk image file ?
2
votes
2answers
105 views

How do you know which secrets and credentials of your production services were used, and by whom/what?

The context of the question is Secrets management. As the title says, how do you know which secrets and credentials of your production services were used, and by whom/what?
1
vote
2answers
64 views

How do you change a secret that half of your production applications use right now?

The context of the question is Secrets management. As the title says, how do you change a secret that half of your production applications use right now?
6
votes
3answers
270 views

When your micro service in production needs a secret, where is the secret stored and retrieved from?

The context of the question is Secrets management. How do you manage storing and retrieving secrets for your micro service which is in production?
4
votes
2answers
3k views

Docker MongoDB image - How to specify credentials other than in the compose file?

I'm using this docker image https://hub.docker.com/_/mongo/. That image provides a way of initializing a mongodb root database user with env variables which I can specify in the compose file as ...