Questions tagged [azure]
A cloud computing platform offered by Microsoft.
118
questions
2
votes
0
answers
82
views
Windows AD - Fake User Account with Multiple Passwords to Detect Password Spray
TL;DR
I'm trying to implement a fake user account that has multiple sets of credentials that can be used. Instead of a specific password, any one password from a list of them could be used to ...
- 21
1
vote
0
answers
25
views
Is it fine if I share a .pfx self signed certificate generated inside my machine with other users to test and use PnPCore SDK
We want to develop some Azure functions which use PnPCore SDK. For testing purposes, I registered an Azure app which uses self-signed certificate for authentication.
Now I configured the Azure app ...
0
votes
0
answers
29
views
Phishing mails to hidden Azure mailboxes
After some research, I couldn't find a clear answer: in Azure Cloud Domain, some users received phishing emails to hidden mailbox addresses. How can that be? How can those mailbox addresses be known ...
- 1
0
votes
1
answer
34
views
Do I need to protect my Azure Blobstorage with a WAF if all the contents inside are for public consumption?
Company policy states that all internet-facing components must be protected with a WAF. However, I have an Azure Blobstorage that stores public web assets. I don't think putting it behind a WAF makes ...
- 101
0
votes
0
answers
28
views
pfSense not working properly on Azure VNet? What do i do?
I'm currently working on a project based on creating virtual networks and configuring a virtualized firewall (pfSense) along with access control. I was given this project idea in a cybersecurity ...
- 111
1
vote
0
answers
76
views
What's the tradeoff of storing a connection string vs the password as a secret?
This is for an app service + database I am pushing up to Azure. I am using Key Vault + Managed Identity for the secrets. I have several connection strings in the secrets to ApplicationInsights, etc.
...
- 493
0
votes
0
answers
21
views
Permission model for automated infrastructure provisioning
I am trying to secure automatic infrastructure provisioning but I am having a hard time designing a proper access policy that would not create a single point of failure (I tried and failed about a ...
- 101
0
votes
1
answer
53
views
Security requirements to upload an excel file to a cloud blob storage
I want an authenticated user to upload an excel file to our web application. The Excel file will be parsed to generate structure.
Security is important, so we'll need to prove that we follow best ...
- 151
0
votes
0
answers
85
views
Are there any drawbacks to using TAP (Temporary Access Password)?
In 2021 Microsoft introduced TAP (Temporary Access Password) and it became popular especially for onboarding users. Are there any drawbacks generally to consider when implementing this option for user ...
- 1,357
0
votes
1
answer
111
views
Which kind of data breaches or risk can happen if there is no virtual/physical disk encryption
There is an Azure-based internal database server and is not public-facing. There is another front-end application. A specific user group can connect with a VPN. There is no encryption applied at the ...
0
votes
0
answers
25
views
Which is more secure: Certificate or Secret inside our Azure Active Directory App, and why? [duplicate]
Inside our Azure Active Directory, we have 2 options to secure our calls to the Active Directory App:
Secret
Certificate
Which option is more secure and why? Inside our applications which will be ...
0
votes
0
answers
123
views
Is Self-Signed certificate sufficient for Production environments exposed to the Internet to secure our Azure Function
We have created an Azure Function which runs on a scheduled basis to update Sharepoint Online sites (each 10 minutes).
Now for this Azure Function to integrate with SharePoint, we have created an ...
1
vote
1
answer
208
views
Azure Shared Access Signature (SAS) token security
I'm learning Azure Storage and I am doing my best to make sure access from Internet is as safe as possible.
When I generate a connection string there is a SAS token embedded in the URL.
That token has ...
- 173
1
vote
1
answer
130
views
How SSO with OpenID and Azure AD works?
I try to understand how the integration we are using with OpenID works. I have read documents and different websites, but I feel that something escapes me related with SSO - I didn´t find so much ...
- 113
0
votes
1
answer
89
views
Secret security in containerised environment
I've been having a discussion with a developer about storing sensitive information in environment variables. Specifically within a containerised environment such as Azures Container apps.
Background ...
- 123
1
vote
1
answer
92
views
How do I remove malware with Defender for Cloud Apps?
I'm new to the role and my operational analyst left a few days before I started, I'm his manager, now it's just me. I'm familiar with the tooling but have never had to operate it myself.
I've had an ...
- 113
2
votes
2
answers
2k
views
OAuth2 - What is the advantage of using certificate over client secret credentials? (Azure)
When using OAuth2 in Azure, why Certificates are more secure than using Secrets?
The Secrets have expiration and are strong, and generated automatically.
The application needs to send a JWT containing ...
- 121
0
votes
0
answers
460
views
Change default classification label (Azure Information Protection) in Microsoft Office (Outlook, Word, Excel) by user
We have Azure Information Protection (AIP) configured for our organisation, we have 4 labels defined (public, internal, confidential, secret). The default label set for the organization is to "...
- 1
1
vote
0
answers
145
views
Intercept API calls of powershell module
I am looking at a way to intercept the API call made by the AzureAD powershell module. Wireshark is not able to decrypt the TLS packets sent and I'd also like to work with the HTTP requests rather ...
- 11
0
votes
0
answers
341
views
Best way to encrypt client side data for SaaS inside the web
I am planning a SaaS-solution, where my clients store and save sensitive data on my servers.
Security is a big point as it makes a product more trustworthy, so my thought was that the data which I ...
1
vote
1
answer
1k
views
What would be the best way to mitigate Azure Application Gateway WAF False Positive?
We have a Web API which uses the REST semantics and is protected using the Azure's Application Gateway using a Web Application Firewall. The Web App consuming this API can send in any type of data in ...
- 248
1
vote
0
answers
491
views
Azure WAF support for OData
I have noticed some of the OWASP rules from Azure WAF are rejecting OData default filtered such as $select, suspecting it to be SQL injection. How can you handle the nature of OData from Azure WAF?
1. ...
- 111
0
votes
1
answer
509
views
Does "validating" a JWT token from prove authentication with OpenId?
I have a static react app which users login via an Okta SPA app.
The app receives a JWT, which it is stored in the browser, and passed to the backend API via Authentication header on every request.
...
- 143
0
votes
1
answer
237
views
How to mitigate risk of spoofing / Impersonating in OAuth Device flow ( device code flow ) in Azure AD?
I have developed C# application and hosted it as a windows service on a machine http://localhost:5000 . This application registered in `Azure Active Directory
Application is using the below details in-...
- 159
34
votes
4
answers
12k
views
Is serverless code immune to DDoS attacks?
In classic hosting we have a virtual machine with limited resources allocated by hosting provider for running our web application. But with serverless code such as AWS Lambda or Azure Functions, our ...
- 684
0
votes
1
answer
131
views
Storing client keys in cloud app
I'm using Azure to store customer data. In a specific country, there are multiple partners. Each partner has his clients. The issue is they don't want us to have access to this data. In other words, ...
1
vote
4
answers
197
views
Ingress client certificate authenticate requires CA certificate to be stored in secret?
I want to enable client-certificate authentication in my AKS cluster and I have a basic question which I just don't seem to understand. As per the docs, ingress requires the CA certificate to be ...
- 113
1
vote
0
answers
150
views
Should I consider migrating away from OAuth 2.0 Implicit Flow for an internal application relying on Azure AD?
I have recently migrated an internal application (API + SPA) security from Windows Authentication (done by IIS) to Azure A/D authentication using the implicit flow.
Now, every user must enter an e-...
- 2,183
2
votes
1
answer
923
views
How to restrict access to API in Azure API Management to known applications?
We need to create an API in Azure API Management and allow only known, registered applications to call it. We can require authentication, which restricts access to only people in our AAD, but how can ...
- 121
1
vote
2
answers
2k
views
Requesting an SSL certificate without a CSR, can it be done?
Please excuse me if this is a dumb or obvious question, I'm self taught and have not been able to find an exact answer to my question after much Googling and reading through StacEx!
I'm having issues ...
- 113
1
vote
1
answer
312
views
Why if a server response contain both Public: TRACE and Allow: TRACE then responds with 405 NOT allowed?
SCENARIO:
I'm testing a web application. To test if TRACE is enabled I used both
nmap --script http-methods target.com
and
curl -k -i -X OPTIONS target.com
After running the former I get
443/tcp ...
- 567
0
votes
1
answer
352
views
Azure Ad B2C Users access resources in other directory
I have two directories in Azure. The first one contains all the customers of our company, who are registered in Azure Ad B2C. These users must be separated from the other directory, which contains ...
1
vote
2
answers
286
views
Verifying the security of SAML SSO
I run an instance of a log aggregation product in the cloud, installed on a VM. I've strictly configured it's networking settings, internal firewall, internal port redirection, strong admin password, ...
- 237
8
votes
1
answer
7k
views
Should I consider my Azure tenant ID as a secret?
As the title says: Should I consider my Azure tenant ID (GUID) as a secret? Are there any security implications when someone knows about this id?
- 315
23
votes
2
answers
4k
views
How critical is encryption-at-rest for public cloud hosted systems?
I work as a solutions architect for web-based systems on AWS. As part of this role, I often respond to Information Security questionnaires. Nearly all questionnaires request information about data ...
- 355
2
votes
1
answer
668
views
Is it safe to expose port 22 on a database VM? [closed]
I have seen many answers to this question in different scenarios but I am still unsure of the actual answer.
I have a VM in the cloud (Azure), which will be hosting my production database. Is it safe ...
- 123
1
vote
1
answer
2k
views
Wrap key operation in Azure Key Vault - symmetric keys
Could anyone explain why the bolded part of the wrap key description?
Wraps a symmetric key using a specified key. The WRAP operation
supports encryption of a symmetric key using a key encryption key ...
- 113
1
vote
2
answers
1k
views
How often should we force users to re-authenticate when not on the network?
Our company has rolled out MFA to our users. We are a Microsoft shop, so we are using Azure AD to handle MFA and authentication to things like email, Teams, Sharepoint, etc. By default, we've disabled ...
- 19
1
vote
1
answer
336
views
Security pattern for third party uploads to Azure blob container
Scenario:
Vendor 1 needs to upload data (.json, compressed .csv files, images and video) to an Azure blob storage container owned by Vendor 2
Vendor 1 is issued a limited duration SAS token each day ...
- 113
3
votes
1
answer
433
views
How to prevent azure pipelines (yaml) from being used as an attack vector?
Let's say the following scenario exists:
A git repository exists on Azure DevOps Repos.
The repository uses yaml pipelines (azure-pipelines.yml).
The repository has branch policies to ensure that ...
- 131
0
votes
1
answer
175
views
Is there a current best practice for authorizing an SPA to get/post to API
I have an API and an SPA. The SPA is all anonymous but I want to ensure the caller of the API is authorized to do so.
It seems that all of the OAuth best practices, e.g. PKCE, depend on a user ...
- 103
3
votes
4
answers
3k
views
How do I configure Azure Web Apps so that the only access is via CloudFlare?
I have a Web Apps (Linux) application on Azure, and I added a custom domain which I have protected with CloudFlare.
I added Azure Security Center to my subscription.
At the moment one can access the ...
- 291
2
votes
0
answers
90
views
IPS solution for a medium sized web application
As part of application security compliance we are supposed to implement an IPS on our application. The application is basically an educational web portal where students can enrol for course assessment....
- 1,452
45
votes
9
answers
9k
views
I have just 4 hours a month to security check a cloud based application - How to use my time?
I've been tasked with looking after an application deployed to azure. I have been allocated 4 hours a month.
I essentially have half a workday to secure this application / keep it secure. What is an ...
- 1,025
0
votes
1
answer
169
views
What protocol is NPS server using to send Secondary Auth to Azure MFA?
We are using PAP to pass data between our on-prem VMware and on-prem NPS server. But our on-prem NPS Server passes data to Azure MFA in the cloud. I want to ensure a stronger protocol than PAP is ...
- 21
4
votes
1
answer
369
views
Why isn't cloud (AWS, Azure, GCP) metadata served over HTTPS?
Why can any application or user on your server type an insecure URL like these to get server information about that instance?
http://instance-data.us-east-1.compute.internal/latest/meta-data/
http://...
- 1,035
0
votes
0
answers
129
views
Security and distro list naming convention in AAD
Most naming convention standards for Active Directory I have come across so far have security groups starting with an underscore to allow the equivalent distribution list to be user-friendly.
I am ...
- 93
1
vote
1
answer
135
views
RDP to Azure VMs through public IP versus VPN
I have two options for remoting into our Azure VMs: RDP to public IP or RDP through VPN.
I'm certain using a VPN is 'more' secure. But my question is: Is it still reasonably secure to have a hole in ...
- 181
1
vote
1
answer
506
views
What are the benefits of using Nessus in addition to Azure Security Center?
Are there any benefits to using vulnerability scanners such as Nessus Pro or Tenable.io, if we are already using Azure Security Center for vulnerability and update management?
Or does it have any ...
- 31
4
votes
1
answer
240
views
Does FedRAMP apply to the cloud hosting environment, the software being hosted, or both?
Our company is limited to using products that maintain FedRAMP compliance, and we are looking to implement a new data collection tool. We are interested in a product that utilizes Microsoft Azure, ...
- 43