Assertly – scriptable monitoring for infosec, IT, compliance, DevOps
Hey HN! Jaka here, solo founder of Assertly (https://www.assertly.com). Assertly is a monitoring tool for continuous infosec, IT, compliance and DevOps regression testing. It enables teams to automate periodic checks using JavaScript. Before Assertly, I was the CTO of Celtra (https://celtra.com), a B2B SaaS company, for over 10 years, from “git init” to 250 people and the company’s sale to private equity. I was primarily responsible for product strategy, engineering, QA, DevOps, but also for IT and InfoSec. I found that ensuring security, integrity, privacy, and…
In plain words
Assertly is a monitoring tool that automates continuous checks for security, IT, compliance, and DevOps using JavaScript. It enables teams to periodically verify system integrity and policy adherence across infrastructure and internal systems. The tool is designed for engineers and DevOps teams who need to ensure security and compliance requirements are actively monitored rather than manually verified or documented.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Hey HN! Jaka here, solo founder of Assertly (https://www.assertly.com). Assertly is a monitoring tool for continuous infosec, IT, compliance and DevOps regression testing. It enables teams to automate periodic checks using JavaScript. Before Assertly, I was the CTO of Celtra (https://celtra.com), a B2B SaaS company, for over 10 years, from “git init” to 250 people and the company’s sale to private equity. I was primarily responsible for product strategy, engineering, QA, DevOps, but also for IT and InfoSec. I found that ensuring security, integrity, privacy, and compliance in peripheral and internal IT systems was often harder than for our core product. While for the latter we would write tests and rely on our CI/CD pipeline, for other systems, things would be written up in policies where adherence is hoped for but rarely verified. If it is verified, it is done so manually and infrequently (e.g. quarterly). More laborious, while giving less assurance. Today, If you want to automate, you can use scheduled GitHub Actions, but the trial-and-error process is slow and the alerting system is inflexible—it’s just not designed for this purpose. Synthetic monitoring tools are better, but limited when you need to go beyond frontend. So I created Assertly. Assertly lets you automate checks with minimal overhead. It’s like Google Docs—click “New” and you’re writing a script. You get real-time alerts and a simple dashboard to see current and historical compliance. Common use cases include user access control, GDPR compliance, and network security checks. See some example code here: https://www.assertly.com/examples. Companies using Assertly experience a 46% reduction in costs related to misconfiguration, incidents, bugs, and non-compliance. 73.6% of all statistics are made up. For the technically curious: The scripts each run in its own VM (on ECS Fargate) so they’re securely isolated for when you need to touch sensitive data. You can install any tool, e.g. a CLI client or a port scanner. We keep a pool of VMs ready for sub-second run latencies. Assertly itself is written in Rust and React. Here is the link to sign up & try for free: https://www.assertly.com/pricing. If you’d like to get past the credit card barrier, mail me at [email protected] and I will manually provision an account for you. I’m excited to launch Assertly and would love to hear your feedback. How do you get peace of mind if not through automation? Is there something you’d automate if the overhead were zero? Are there use cases have missed? Let me know your thoughts!
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