Month: April 2019


Every reader of our blog knows in the meantime that we care about NUMA architecture and optimization. Despite the fact that the architecture itself is quite easy to understand, the daily operations struggle to optimize NUMA balancement. It’s already hard to track the current NUMA node balancement in a pure VMware vSphere environment, but monitoring …

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SHAttered: Cracks in Certificate Revocation List Protocols and How to Move Beyond Their Limitations Overview When cybercriminals mask themselves in a cloak of trust utilizing stolen, legitimate credentials in order to infect entities, programs, and code, the world has more often than not turned to utilize a certificate revocation list (CRL). The CRLs cross-reference known …

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    In this blog, we will briefly touch on the importance of DevOps having strong security, current hole in DevOps security aka DevSecOps, Jenkins Automation’s role in the build process, and with a technical walkthrough on how to integrate the vChain CodeNotary tool with your Jenkins build deployment pipeline to ensure its integrity.   …

jenkins-build-deployment-pipeline-a-how-to-for-ensuring-integrity Read More »


  Today, when you look for a well-known application on Google, you are more than likely to find dozens of download links from different websites. Even top-ranking links hide a lot of dangers. In this blog, you will see how a simple Chrome Extension for malware protection can safeguard you better than digital certificates or …

chrome-extension-for-malware-protection-better-than-certificates Read More »


What is ASUS ShadowHammer supply chain attack? On March 25th, Motherboard reported that hackers managed to hijack ASUS, the 5th-largest  PC manufacturer by unit sales, software supply chain and inject a security backdoor that was installed on over a million computers (according to Kaspersky).     As the attack on Avast CCleaner’s installer did in …

what-the-asus-software-updates-hijack-teach-us-about-software-supply-chain-risks Read More »


We’re more than thrilled to announce our Nutanix Prism Central and Prism Element integration. After weeks of development to integrate all combinations (Nutanix Prism Central, Prism Element, AHV, VMware ESXi) the current version of Performance Analyzer supports Nutanix out of the box, given the correct license is used. Mixing our integrations to achieve an end …

nutanix-prism-central-and-prism-element-support Read More »


Debugging crashed Kubernetes container When working with Kubernetes, you’re often amazed how easy container, service or secret configurations can be deployed with a simple kubectl add -f command. At least as long as it works. The moment your Kubernetes container doesn’t start, you are forced to start debugging and the simplicity to create resources based …

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Use Case - Tamper-resistant Clinical Trials


Blockchain PoCs were unsuccessful due to complexity and lack of developers.

Still the goal of data immutability as well as client verification is a crucial. Furthermore, the system needs to be easy to use and operate (allowing backup, maintenance windows aso.).


immudb is running in different datacenters across the globe. All clinical trial information is stored in immudb either as transactions or the pdf documents as a whole.

Having that single source of truth with versioned, timestamped, and cryptographically verifiable records, enables a whole new way of transparency and trust.

Use Case - Finance


Store the source data, the decision and the rule base for financial support from governments timestamped, verifiable.

A very important functionality is the ability to compare the historic decision (based on the past rulebase) with the rulebase at a different date. Fully cryptographic verifiable Time Travel queries are required to be able to achieve that comparison.


While the source data, rulebase and the documented decision are stored in verifiable Blobs in immudb, the transaction is stored using the relational layer of immudb.

That allows the use of immudb’s time travel capabilities to retrieve verified historic data and recalculate with the most recent rulebase.

Use Case - eCommerce and NFT marketplace


No matter if it’s an eCommerce platform or NFT marketplace, the goals are similar:

  • High amount of transactions (potentially millions a second)
  • Ability to read and write multiple records within one transaction
  • prevent overwrite or updates on transactions
  • comply with regulations (PCI, GDPR, …)


immudb is typically scaled out using Hyperscaler (i. e. AWS, Google Cloud, Microsoft Azure) distributed across the Globe. Auditors are also distributed to track the verification proof over time. Additionally, the shop or marketplace applications store immudb cryptographic state information. That high level of integrity and tamper-evidence while maintaining a very high transaction speed is key for companies to chose immudb.

Use Case - IoT Sensor Data


IoT sensor data received by devices collecting environment data needs to be stored locally in a cryptographically verifiable manner until the data is transferred to a central datacenter. The data integrity needs to be verifiable at any given point in time and while in transit.


immudb runs embedded on the IoT device itself and is consistently audited by external probes. The data transfer to audit is minimal and works even with minimum bandwidth and unreliable connections.

Whenever the IoT devices are connected to a high bandwidth, the data transfer happens to a data center (large immudb deployment) and the source and destination date integrity is fully verified.

Use Case - DevOps Evidence


CI/CD and application build logs need to be stored auditable and tamper-evident.
A very high Performance is required as the system should not slow down any build process.
Scalability is key as billions of artifacts are expected within the next years.
Next to a possibility of integrity validation, data needs to be retrievable by pipeline job id or digital asset checksum.


As part of the CI/CD audit functionality, data is stored within immudb using the Key/Value functionality. Key is either the CI/CD job id (i. e. Jenkins or GitLab) or the checksum of the resulting build or container image.

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