Examples in this article are illustrative, not customer case studies. Product availability and coverage are described on the linked capability pages.
ASPM, CNAPP and CSPM are three security categories that overlap enough to confuse every buying committee and differ enough that picking the wrong one leaves a real gap. This guide sets out where each one starts, what it covers, what it leaves out, and how to decide which you need first.
In short: application security posture management (ASPM) manages application risk from commit to deployment. A cloud-native application protection platform (CNAPP) protects cloud workloads and the infrastructure under them. Cloud security posture management (CSPM) checks cloud configuration. A CNAPP includes CSPM; neither includes everything an ASPM does, and the reverse is also true.
The worked example is a payments company with a dozen services built in one monorepo, shipped several times a day to Kubernetes clusters in two cloud providers. The security lead has budget for one platform this year and three vendor shortlists that all claim to cover “code to cloud”.
ASPM starts from the code and the pipeline
ASPM collects findings from static analysis, dependency and SBOM scanning, secrets detection, infrastructure-as-code checks and container image scans, then correlates them to the applications and owners they belong to. Its unit of work is the application and the change, not the cloud account. The defining questions are which application risks matter, who owns them, and whether this change should ship.
For the payments company, ASPM is where the pull-request gate lives. A vulnerable dependency introduced on Tuesday is caught before merge, routed to the team that owns the service, and recorded as evidence that the control ran. The longer definition, and why the category exists at all, is in What is ASPM?.
CSPM starts from the cloud control plane
CSPM inspects cloud accounts through provider APIs for misconfigurations such as public storage, open security groups, missing encryption and disabled logging, and checks them against benchmarks and compliance frameworks. It sees configuration. It does not see the code that produced a resource, or what runs inside the workload on it.
That makes CSPM the fastest way to answer an auditor’s question about cloud configuration, and the payments company would get value from it within a day of connecting its accounts. What CSPM cannot tell the team is which of the flagged resources fronts the service that shipped on Tuesday. The ranking problem that follows is covered in CSPM beyond misconfiguration lists.
CNAPP bundles cloud posture, workloads and runtime
A CNAPP combines several cloud components in one product: CSPM for configuration, cloud workload protection (CWPP) for hosts and containers, cloud infrastructure entitlement management (CIEM) for identities, Kubernetes posture (KSPM), and often data security posture management (DSPM) and runtime threat detection through an agent or sensor. It starts from the cloud estate and the workloads running in it, and many products now extend back towards code scanning.
The runtime component is the clearest dividing line. A CNAPP is usually expected to tell you that a workload is behaving suspiciously right now. An ASPM is not. If the payments company’s main worry is an attacker already inside a cluster, that requirement alone points towards a CNAPP or a dedicated runtime tool.
ASPM vs CNAPP vs CSPM side by side
Typical scope for each category. Individual products vary, so check each vendor’s own documentation for what it ships.
| Area | ASPM | CNAPP | CSPM |
|---|---|---|---|
| Starts from | Repositories, pipelines, applications | Cloud accounts and running workloads | Cloud provider configuration |
| Typical inputs | SAST, SCA, SBOM, secrets, IaC, images | Cloud APIs, workload scans, runtime sensor | Cloud APIs and benchmark rules |
| Code findings | Core | Often, extending back from the cloud | No |
| Cloud misconfiguration | Sometimes, as context | Core, through its CSPM component | Core |
| Identity entitlements | Rarely | Usually, through CIEM | Sometimes |
| Workload protection | No | Core, through CWPP | No |
| Runtime detection | No | Usually, through an agent or sensor | No |
| Pull-request gates | Core | Varies | No |
| Main question answered | Should this change ship, and who fixes? | What in the cloud is exposed or attacked? | Is the cloud configured safely? |
CWPP appears in the table because it is the component people forget when they compare CSPM and CNAPP directly. CSPM looks at the account; CWPP looks at what runs inside it.
The overlap is the edge from cloud resource to commit
All three categories converge on one question: is this exposed thing exploitable, and who changes what to fix it? Answering it needs an edge from the cloud resource to the workload, from the workload to the image digest it runs, and from the digest to the commit that built it. Without that chain, an ASPM list has no runtime context and a CSPM list has no owner.
This is why “code to cloud” appears on every shortlist the payments company received. The useful test is not the slogan but the join. Ask each vendor to take one public-facing misconfiguration and show the image, the commit and the owning team behind it, using your data rather than a demo tenant.
Choose by where your risk enters, not by acronym
Start where most of your risk is introduced. Teams that ship code daily usually start with ASPM and pipeline gates, because that is where new risk arrives every hour. Teams with large estates of mostly third-party or lift-and-shift workloads usually start with CSPM, because configuration is the gap. Teams whose primary concern is active threats in running workloads need the runtime half of a CNAPP.
Can a CNAPP replace an ASPM? Only if its code-side coverage, correlation and gates are as strong as its cloud side, and that is worth testing rather than assuming. Can an ASPM replace a CNAPP? Not where runtime detection is a requirement. The payments company ships several times a day and has no runtime mandate this year, so ASPM with cloud posture on the same graph is the defensible first purchase, with runtime protection evaluated separately.
Key takeaways
- Treat CSPM as a component of CNAPP, and compare CNAPP with ASPM, not CSPM with ASPM.
- Decide whether runtime detection is a requirement this year, because it is the clearest line between the categories.
- Test “code to cloud” by asking each vendor to join one misconfiguration to its image, commit and owner on your own data.
- Start where most new risk enters your estate, then evaluate the missing half on its own merits.
How SecurityVault approaches this
SecurityVault is ASPM-centred. Its native application-security engine and open-source scanners cover SAST, SCA and SBOM, secrets, IaC and container images, and their findings land on one graph with fail-closed deployment gates at pull-request, pipeline and admission time.
Agentless cloud posture for AWS, Azure and GCP, identity edges such as assumes and can_access, and Kubernetes inventory and admission posture sit on the same graph. A commit builds an image, the build produces a digest and a workload runs that digest, so a cloud finding can be traced to the code and the team behind it.
SecurityVault is not a CNAPP. Runtime threat detection through an eBPF sensor and live DSPM are roadmap, so a team with a runtime mandate should plan a separate tool for that today. During an evaluation, run the join test above on one of your own services and compare the answer with your current tools.
Start with the quickstart or talk to our team about scoping an evaluation.