What is the difference between CSPM and CWPP?

CSPM (Cloud Security Posture Management) secures how your cloud is configured, public buckets, open ports, weak IAM, encryption. CWPP (Cloud Workload Protection Platform) protects the workloads themselves, VMs, containers, and functions, including vulnerability management and runtime threat detection. CSPM works at the control plane; CWPP works inside the workload.

Do I need both CSPM and CWPP?

Eventually, most teams do. They cover different risks. But they aren't equal priorities at every stage: posture (CSPM) is where the majority of cloud breaches begin, so it's usually the place to start, with CWPP added as workloads and threat models grow more sensitive.

Often, yes. Because CWPP needs visibility inside a running workload, it commonly uses an agent installed on the host or in the image, though some platforms also offer agentless snapshot-based vulnerability scanning. CSPM is typically agentless, reading the cloud's APIs.

Where does CNAPP fit in?

CNAPP (Cloud-Native Application Protection Platform) is an umbrella that bundles CSPM, CWPP, CIEM, and more into one platform. It's a packaging choice aimed at larger organizations, not a separate kind of protection.

CSPM vs CWPP: What Each Protects, and Which You Need First

These two acronyms travel together so often that people assume they’re two names for the same thing. They aren’t. CSPM and CWPP protect different layers of your cloud, and confusing them leads teams to either buy too much too early or leave a real gap open. The cleanest way to keep them straight is to notice they answer two different questions.

CSPM answers: “Is my cloud configured in a way that’s safe?”

CWPP answers: “Is something bad happening inside my running workloads?”

Hold onto those two questions, everything else follows from them.

What CSPM protects: the configuration

Cloud Security Posture Management lives at the control plane. It reads how your cloud account is set up and flags the settings that create risk, the stuff that, left wrong, is how most breaches actually begin:

A storage bucket set to public.
A security group exposing a database port to 0.0.0.0/0.
An IAM role with Action: * on Resource: *.
Encryption switched off, logging disabled, root keys still active.

None of that requires looking inside a workload. It’s all visible from the outside, in the metadata, which is why CSPM is almost always agentless: grant a read-only role, read the APIs, done. The mental model is a building inspector walking the perimeter, checking that doors are locked and windows are shut, before anyone’s broken in.

The reason posture gets so much attention is uncomfortable but well established: the majority of cloud security incidents trace back to a customer misconfiguration, not an exotic exploit. Someone left the front door open. CSPM is the discipline of finding the open doors.

What CWPP protects: the workload

Cloud Workload Protection stands inside the workload, on the VM, in the container, around the function, and watches what’s actually executing. It’s concerned with a different class of problem:

Known vulnerabilities (CVEs) in the packages and libraries your workload ships.
Runtime threats: a process that spawns an unexpected shell, a binary reaching out to a suspicious host, malware on a host.
Integrity drift between the image you built and what’s running now.

This is visibility the control plane simply doesn’t have. The cloud’s API can tell you a container exists; it can’t tell you that a process inside it just started behaving like crypto-mining malware. To see that, you need to be in there, which is why CWPP commonly involves an agent (or, in some platforms, agentless snapshot scanning of disks for the vulnerability-management half). Back to the building analogy: CWPP is the motion sensors and cameras inside the rooms, watching for someone who’s already in.

Why they’re complementary, not competing

Put the two questions next to each other and the relationship is obvious. CSPM keeps the wrong people from getting in; CWPP catches them if they do, or catches the vulnerable software that lets them. One is prevention at the perimeter, the other is detection in depth. A serious security program eventually wants both.

Where it gets muddy is the seam between them, and a few checks genuinely sit on the line:

Container image scanning. Is the image misconfigured (runs as root, mounts the host) or vulnerable (ships a CVE-ridden library)? The first is posture; the second is workload. Tools split it differently.
“Is vulnerability scanning even on?” Whether a workload-protection control is enabled is a posture question. What it finds is a workload question.

That overlap is exactly why the categories get conflated. It helps to keep asking which of the two questions a given check is really answering.

Which one first?

If you’re choosing where to spend limited time and budget, the honest sequencing for most teams is:

Posture first. It’s where the largest share of real incidents start, it covers your entire estate at once, and it’s cheap to stand up (no agents). Closing misconfigurations is the highest-leverage security work you can do early.
Workload protection as you mature. As you run more sensitive data, face compliance pressure, or develop a threat model that includes in-runtime attacks, add CWPP, starting with your crown-jewel workloads rather than the whole fleet on day one.

The failure mode to avoid is buying a heavyweight workload-protection rollout before you’ve even closed the public-bucket-and-open-port basics. That’s spending on the cameras while the front door hangs open.

Where InfraSweep fits (and where it doesn’t)

It’s worth being precise here, because the line matters. InfraSweep is a CSPM-and-cost tool, not a CWPP. It’s the agentless, outside-in layer: connect a read-only role and it sweeps AWS, GCP, Azure, Alibaba, and OCI for the misconfigurations that create risk, public storage, open ports, weak IAM, missing encryption, and prices the wasted spend sitting right next to them in the same pass.

What it deliberately does not do is run inside your workloads. It won’t watch processes in a container or hunt for in-memory malware, that’s CWPP territory, and a dedicated runtime tool is the right thing to pair it with. What InfraSweep will tell you is whether the workload-protection controls are even switched on, image scanning disabled, threat detection off, a database public and unencrypted, so the posture half is covered and you know exactly where the gaps are. If you want the configuration layer done fast, read-only, and across every cloud at once, that’s the part InfraSweep owns. The first scan is free.