Questions tagged [security]

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

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57
votes
7answers
23k views

How can I manage secrets in .tf and .tfstate?

I would like to use the Terraform MySQL Provider to keep a list of mysql users and grants handy for creating new test environments. The .tf and .tfstate files both seem to want to store the MySQL ...
44
votes
7answers
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....
30
votes
5answers
16k 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 ...
22
votes
2answers
10k views

What Is SecOps?

First when I heard the word SecOps, I thought of it as a management approach that aims to connect security and operations teams, in much the same way that DevOps unifies developers and operations team....
19
votes
6answers
8k views

How to prohibit access to internals of Docker container?

I want to deliver my app to customers in form of docker image. But it is crucial to ensure that end-user do not alter anything inside the container. User should only be able to run/stop the container ...
14
votes
2answers
4k 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 ...
13
votes
2answers
4k views

How to store credentials that are required by an application?

Everyone is saying that storing credentials in version control (git) is a bad thing. So there must be other ways to store credentials which are much better. An application must receive credentials ...
12
votes
4answers
3k views

Open Ports on Google Cloud Load Balancer

It seems that by default, Google Cloud load balancers expose a number of ports unecessarily. I haven't found a way to expose only 80/443 and every time I make one of their load balancers, the ...
12
votes
2answers
338 views

How to storing encrypted secrets in code for a serverless.com project?

With serverless.com, the easiest way to expose a secret to an AWS Lambda function is to store it in the serverless.yml file (encrypted with KMS, for example). But committing encrypted secrets to Git ...
8
votes
1answer
6k 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 ...
8
votes
3answers
464 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 ...
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 ...
7
votes
2answers
8k views

How to only allow API Gateway requests to reach our EC2 instances

We have multiple EC2 instances hosting our micro-services. The autoscaling group of servers has an ELB. All traffic is routed via the AWS API Gateway. The problem is that the ELB has its HTTPS port ...
7
votes
3answers
318 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?
7
votes
2answers
565 views

What strategies can be employed to secure sensitive data in log files?

Working in highly regulated environments data is classified in different ways depending on the sensitivity. In some cases, this is legally enforced and must be treated differently. Examples of a data ...
6
votes
1answer
260 views

Does `npm audit` add any value when using `dependabot`

Context There are multiple ways to scan projects for vulnerabilities. Dependabot can be configured to check repositories for issues, and automatically submits pull requests to resolve. NPM Audit will ...
6
votes
2answers
102 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 ...
5
votes
1answer
2k 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 ...
4
votes
4answers
6k 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 --...
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 ...
4
votes
2answers
123 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 ...
4
votes
1answer
93 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://...
4
votes
2answers
2k 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 ...
4
votes
1answer
407 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 ...
3
votes
2answers
113 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 ...
3
votes
1answer
197 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 ...
3
votes
1answer
37 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 ...
3
votes
1answer
73 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 ...
3
votes
0answers
218 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 ?
3
votes
1answer
3k 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 ...
2
votes
1answer
293 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
962 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 ...
2
votes
1answer
5k 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
536 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, ...
2
votes
1answer
174 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 ...
2
votes
1answer
26 views

What are the best practices for sharing production Postgres access with developers?

We're a small SaaS startup (~10 person team; mostly engineers). We use Postgres on AWS and GCP in production. We have signed contracts with some customers that prohibit us from giving full production ...
2
votes
1answer
31 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 ...
2
votes
2answers
589 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 ...
2
votes
1answer
43 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 ...
2
votes
1answer
40 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:...
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 ...
2
votes
2answers
118 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?
2
votes
1answer
419 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
778 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 ...
2
votes
0answers
82 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
40 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. ...
1
vote
1answer
2k 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/...
1
vote
1answer
22 views

AWS Inspector “High Risk” : port open to the internet with IP whitelisting

We use AWS Inspector to identify risks with our AWS assets. Today I received a finding, with a "high" severity. The finding said that the FTP port was open to the internet. However, after ...
1
vote
1answer
298 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 ...
1
vote
1answer
77 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 ...