Archives
- January 2022 (3)
- December 2021 (9)
- November 2021 (13)
- August 2021 (1)
- July 2021 (6)
- June 2021 (1)
- May 2021 (1)
- April 2021 (1)
- January 2021 (1)
- August 2020 (1)
- July 2020 (3)
- June 2020 (1)
- March 2020 (5)
- February 2020 (3)
- January 2020 (18)
- December 2019 (22)
- November 2019 (3)
- October 2019 (1)
- July 2019 (1)
- April 2019 (2)
- January 2019 (2)
- October 2018 (2)
- September 2018 (1)
- August 2018 (4)
- July 2018 (4)
- February 2018 (6)
- January 2018 (3)
- November 2017 (1)
- August 2017 (3)
- May 2017 (4)
- April 2017 (4)
- December 2016 (1)
Categories
- Application Security (1)
- Azure Security Center (10)
- Governance & Compliance (19)
- Host Protection (3)
- Identity & Access Control (9)
- Monitoring & Detection (22)
- Network Security (3)
- Secure Development (13)
- Security Automation (53)
- Security Operation (21)
- Service Overview (1)
Monthly Archives: December 2021
Acquire Access Token from Azure App Service (Linux) System-Assigned Managed Identity
I got a question from a friend last week if he should enable System-Assigned Managed Identity (SAMI) on an Azure App Service running on a Linux host. He also asked if his developer team could use that SAMI to do … Continue reading
Audit Azure Web App against NotLegit vulnerability
Have you seen this research NotLegit: Azure App Service vulnerability exposed hundreds of source code repositories from Wiz? So basically from their research, if you Azure App Service uses Local Git your source code may have been compromised. As a … Continue reading
Notes on Azure Policy Exemption
There are ways to exclude your resources from being evaluated by Azure Policy. You can add a condition in a policy rule set. You can also use exclusion from notScopes. In this article, let’s explore another feature in Azure Policy … Continue reading
Bulk upload Log4Shell IoC to Microsoft Sentinel Threat Intelligence
Log4Shell is an emerging threat and its exploit is still in the wild. As a SecOps analyst your job is to monitor your cloud assets ensure if there is any communication to known IoC you would have a proper action. … Continue reading
Posted in Monitoring & Detection, Security Automation
Tagged azure sentinel log4j ioc, log4j ioc
1 Comment
Detect Azure VM with a Public IP associated
Last week a friend asked me if creating or updating a virtual machine where a public IP address was associated with was detectable. This is a very common requirement in cloud security monitoring. Having a workload (aka virtual machine) with … Continue reading
Detect NSG inbound rule updated to allow All
Network Security Group (NSG) is one of the most common features in Azure to help strengthen your network defense. It allows you to filter network traffic to and from Azure resources. Having NSG in place doesn’t always mean your network … Continue reading
Query vulnerable VMs against Log4Shell vulnerability in Azure
I was asked from people if Microsoft Defender for Cloud had any information related to the CVE-2021-44228 (Log4Shell) vulnerability which is currently the hottest vulnerability right now. In this article, I would like to share a Resource Graph Query to … Continue reading
Play with Tag on Azure Subscriptions
Tagging is often part of your cloud governance. You’d use tag to manage cost per subscription. You’d use it to distinguish environment type (e.g. non-production, production, test, development…) In this article, let’s play with tag a bit. You will learn … Continue reading
Use Azure Resource Graph to query Microsoft Defender for Cloud Plan on all subscriptions
As part of SOC work you may want to get information of Microsoft Defender for Cloud plan on each subscription so you can plan to roll out a defender plan on one that doesn’t have yet. While Azure PowerShell, REST … Continue reading