Questions tagged [security]

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

0
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2answers
37 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 /...
0
votes
1answer
28 views

AWS IAM policy and reduce access to only the latest services used

I want to limit the user access to all the last services used: But I want to remove the Administrator Access privilege from the user "circleci'. I started to add policies in the user group "circleci"...
0
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0answers
7 views

Scanning CoreOS for CVEs

I want to scan a CoreOS iso for CVEs. How do I do this? I have scanned container images before with Clair and JFrog XRay, but I can find no resources on scanning an iso of an OS and cross referencing ...
1
vote
1answer
41 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
56 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
43 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 ...
0
votes
0answers
8 views

GuardDuty Default severities are they static values

looking to deploy Guardduty and I not the the AWS doc have a default severity for each finding Low-Medium-High, I'm assuming these default severity map directly to: High:7.0 to 8.9 range Medium:4.0 to ...
0
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0answers
30 views

How to securely distribute and use Nexus credentials?

Nexus has been implemented in the company a couple of months ago. The side effect is that credentials are required to download artifacts and thus everybody that compiles the code requires a password. ...
1
vote
0answers
58 views

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

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 ...
1
vote
0answers
43 views

What are the security loopholes closed by introducing Istio

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 ...
0
votes
1answer
617 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 ...
-2
votes
1answer
123 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
76 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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0answers
63 views

How to filter the ingress traffic to a docker container by changing IPtables in docker host machine

There is an apache server is started in a docker container and it acquires following IP address 172.21.0.3 The gateway IP and prefixlen is as follows 172.21.0.1/16 and the virtual interface attached ...
0
votes
2answers
28 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 ...
0
votes
0answers
23 views

Managing IAM policies with Terraform to implement CRUD of AWS resources

Recently I have discovered this feature request for Terraform to support advanced management of AWS IAM policies, specifically to implement the CRUD (Create, Read, Update, Delete) method. In the ...
0
votes
0answers
48 views

How important is it to configure a CA for a Kubernetes cluster?

Our IT department have setup a Kubernetes cluster for our development work using kops, and we've run kube-bench on it to see what security issues need to be addressed. Currently there's a lot of ...
4
votes
2answers
153 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
177 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 ...
0
votes
0answers
112 views

how to setup authentication for kubernetes dashboard ?

how to setup authentication(username/Password) for kubernetes dashboard ? I have checked Securing the Kubernetes and Authentication using a token Token based Authentication can be done but can we ...
0
votes
0answers
59 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 (it's not natively supported) is ...
1
vote
0answers
15 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
66 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
25 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
0answers
25 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'...
2
votes
0answers
139 views

Encrypted at rest persistent volume in kubernetes?

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
95 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
61 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
2answers
224 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?
1
vote
0answers
51 views

Secrets management [closed]

I got three questions about secrets management: 1)When your micro service in production needs a secret, where is the secret stored and retrieved from? 2)How do you change a secret that half of your ...
4
votes
2answers
2k 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 ...
3
votes
2answers
77 views

Mitigating Maven Central risks as seen from the DevSecOps perspective

AFAIK there are two official primary repositories for Maven packages (Java language): search.maven.org offered by Sonatype Inc. mvnrepository.com offered by a private person @frodriguez Now ...
0
votes
1answer
43 views

From a security perspective, to which location should one copy an app inside a docker image?

I use docker to deploy a lot of apps since a couple of years. Today I ask myself, should I copy my app to a different location in the docker image? I used to copy the file to the root, e.g. COPY . /...
3
votes
3answers
2k views

How to list security groups for the specific instance via CLI?

I'm looking for syntax like: aws ec2 describe-security-groups --instance-id i-0xyz however, the above sub-command doesn't support --instance-id parameter. I've checked and there are --filters and --...
19
votes
3answers
7k views

Where to put ansible-vault password

We are planning to use ansible vault in our project to prevent leaking passwords or keys in git. The idea is to put all our sensitive data into a plain file then encrypt this file with ansible-vault ...
1
vote
1answer
455 views

terraform chef provisioning - cannot validate certificate for 10.90.239.223 because it doesn't contain any IP SANs

While configuring the chef provisioner I am running into the following error after running 'terraform apply' chef_environment.terraform_01: Post https://10.90.239.223/organizations/mykitchen/...
3
votes
1answer
36 views

Is it possible to securely delete a file from a virtual disk in a cloud provider?

Considering that virtual hard drives are generally formatted using something like ext3 that abstracts away from the underlying block device, which in and of itself is an abstraction over the top of a ...
2
votes
1answer
230 views

Issue integrating acunetix with jenkins

The first of all, thank you for reading my question, I really appreciate it! I am trying to integrate jenkins and acunetix (a vulnerability scanner software), but it seems to be near impossible...My ...
2
votes
1answer
517 views

Real-World Validating the Integrity of a Docker Container

I'm interested in information and experiences surrounding Docker security. I'd like to understand ways that a user/client could validate the contents of an image to ensure that the packaged ...
7
votes
3answers
250 views

Running unmanaged Hardware Security Modules (HSMs) in the Cloud

I have to admit to never having asked, or been asked, the question if it is possible to have a Hardware Security Module in a public cloud, by which I mean Google, Amazon or Azure. Has anyone found ...
10
votes
2answers
2k views

Is it bad to use sudo from Jenkins?

I use Publish Over SSH plugin to deploy my apps from Jenkins to different environments. Some deployment jobs do environment preps and things like stop and restart the app server system service. Some ...
2
votes
1answer
82 views

Sharing Gems between Chef and System Ruby

I know about the chef_gem resource obv, but in the interests of good system hygiene I would like to avoid as much as possible duplication, so I would like to share Gems between the embedded Ruby ...
0
votes
1answer
91 views

Kubernetes user mode in production

Docker daemon has to run in root mode which brings up security discussions. How is this with Kubernetes daemon - can it run not as root? Note: both of these products allow you to reduce the scope ...
1
vote
1answer
431 views

What tool is able to analyze images by connecting to clair?

This clair documentation indicates that a number of tools should be able to scan images: clair-scanner reg klar clairctl analyze-local-images All of them have been tried, but none of them seems to ...
3
votes
1answer
2k views

Docker Security Scanning: How to integrate Clair with a docker private registry?

According to the following documentation it should be possible to integrate clair with a docker private registry. How to do that? Registry Integration Clair can be integrated directly into a ...
7
votes
4answers
2k views

Ansible - private git repositories - SSH agent forwarding vs copying private SSH key

I recently started playing around with Ansible and it seems very nice. I don't have much experience in DevOps stuff and never really had to handle any complex scenarios. I started creating my Ansible ...
6
votes
1answer
5k views

Running the docker daemon without root

Inspired by What are best and comprehensive practices to consider when running docker in production? , I stumbled over Why we don't let non-root users run Docker... They came up with docker run -ti ...
39
votes
6answers
3k views

What are best and comprehensive practices to consider when running docker in production?

Finally, you are so much in love with Docker that you want to move your online business-critical production systems with sensitive customer data to a Docker Swarm. Some might even already have done so....
4
votes
1answer
344 views

Docker Sign an Image with an existing Certificate

With respect to docker's security system. Is it possible to somehow get images signed by some entity that has trust from a company's CA-cert and then be able to find out who signed the image? It ...