Cybersecurity · head to head
Falco vs Socket
Falco
Cybersecurity
CNCF-graduated runtime threat detection for Linux and Kubernetes using eBPF
- From
- Free
- Rated
- -
Socket
Cybersecurity
Supply chain security platform detecting and blocking malicious dependencies
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Falco falco detects and alerts but does not block; stopping an attack requires wiring up Falco Talon or your own response tooling, so out of the box a confirmed detection still means a human intervening after the fact.; Socket team plan requires minimum 5-developer commitment, expensive for small teams
- They diverge on capability: Falco covers eBPF kernel instrumentation, Socket covers Malware detection.
- Prices and features above were last checked on 31 August 2026.
Where they differ
Only the attributes on which Falco and Socket actually diverge.
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Cybersecurity).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Falco
- eBPF kernel instrumentation
- System call rules engine
- Container and Kubernetes context
- Default rule set
- Falcosidekick
- Falco Talon
- Plugins framework
- DaemonSet deployment
Only in Socket
- Malware detection
- Automatic blocking
- AI behavior analysis
- Reachability analysis
- Slack integration
- SBOM support
- SAML SSO
- GitHub Actions scanning
What people use each for
The jobs each tool is most often brought in to do.
Falco
- A platform team that needs to know when a shell is opened inside a production container, which image scanning cannot detect because it happens at runtimenot Socket
- A regulated business required to evidence host and container intrusion detection on Kubernetes nodes for an auditnot Socket
- A security team wanting a vendor-neutral detection layer whose rules they can read and modify rather than a black-box agentnot Socket
- A cluster where a compromised dependency might write to sensitive paths or open unexpected outbound connections, and only kernel-level visibility will catch itnot Socket
Socket
- Blocking zero-day malware attacks in JavaScript dependenciesnot Falco
- Managing CVE false positives with precomputed reachability analysisnot Falco
- Securing Python and Go supply chains at scalenot Falco
- Automating compliance requirements for regulated industriesnot Falco
- Real-time threat notifications via Slack integrationnot Falco
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Falco
- Falco detects and alerts but does not block; stopping an attack requires wiring up Falco Talon or your own response tooling, so out of the box a confirmed detection still means a human intervening after the fact.
- The default rule set is noisy in real clusters and generates a large volume of benign matches from normal operational activity; without weeks of tuning, alert fatigue sets in and the team stops reading the feed, which is the usual failure mode.
- There is no storage, console, search or case management in the project, so a working detection capability means also running Falcosidekick, an event store, a dashboard and alert routing, all of which you build, host and maintain.
- The modern eBPF driver requires kernel 5.8 or later; older hosts fall back to the legacy probe or the kernel module, which brings driver-building against kernel headers and the operational fragility that comes with it on every kernel upgrade.
- Per-node syscall instrumentation carries measurable CPU overhead on busy hosts, and the cost scales with syscall volume rather than with cluster size, so the noisiest and most performance-sensitive workloads are exactly the ones that feel it most.
Socket
- Team plan requires minimum 5-developer commitment, expensive for small teams
- Business plan $50/dev/month becomes costly for teams exceeding 20 members
- Enterprise pricing requires custom consultation with no transparent pricing
- Free plan limited to individual developers without team collaboration
- Reachability analysis improvement (90% false positive reduction) only on Enterprise
Pricing, plan by plan
Falco
Free- Falco (open source)Free
- Apache 2.0 licence, CNCF graduated project
- eBPF and kernel module drivers
- Full rules engine and default rule set
Socket
Free- FreeFree
- For individual developers
- Detects 70+ risk types
- Blocks malicious dependencies automatically
- Team$25/month
- Per developer on minimum 5 developers
- Precomputed reachability analysis cuts 60% false positives
- Slack alerts for threats
- Business$50/month
- Per developer on minimum 20 developers
- All Team features
- Compliance integrations with Vanta
- Enterprise$undefined/custom
- Function-level reachability eliminates up to 90% irrelevant CVEs
- Multi-repository system support
- Named account manager
Which should you pick?
Choose Falco if
- You need ebpf kernel instrumentation.
- You want to start without paying.
- You work on Linux, Kubernetes, Self-hosted.
- You also want system call rules engine.
Choose Socket if
- You need malware detection.
- You want to start without paying.
- You work on Web, CLI, GitHub.
- You also want automatic blocking.
Questions people ask
- Is Falco or Socket better?
- Neither clearly leads. Falco starts at Free and Socket at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Falco or Socket?
- Falco starts at Free and Socket at Free.
- Does Falco or Socket run on more platforms?
- Falco runs on Linux, Kubernetes, Self-hosted. Socket runs on Web, CLI, GitHub.
- Can I use Falco for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Falco best used for?
- Falco is most often used for a platform team that needs to know when a shell is opened inside a production container, which image scanning cannot detect because it happens at runtime, a regulated business required to evidence host and container intrusion detection on kubernetes nodes for an audit, a security team wanting a vendor-neutral detection layer whose rules they can read and modify rather than a black-box agent, a cluster where a compromised dependency might write to sensitive paths or open unexpected outbound connections, and only kernel-level visibility will catch it. Of those, a platform team that needs to know when a shell is opened inside a production container, which image scanning cannot detect because it happens at runtime and a regulated business required to evidence host and container intrusion detection on kubernetes nodes for an audit are not what Socket is typically brought in for.
- What can Falco do that Socket cannot?
- Falco covers eBPF kernel instrumentation, System call rules engine, Container and Kubernetes context, Default rule set. Socket covers Malware detection, Automatic blocking, AI behavior analysis, Reachability analysis.
Answered from the vendors’ own pages
Falco: Does Falco block attacks?
No. It detects and emits events. Response requires Falco Talon or your own automation on top.
Socket: How many zero-day attacks does Socket detect?
Socket detects over 100 zero-day attacks weekly across JavaScript, Python, and Go ecosystems.
SourceFalco: Is Falco owned by Sysdig?
Sysdig created and open sourced it, but it graduated within the CNCF in February 2024, so governance sits with the foundation rather than the vendor.
Socket: What is precomputed reachability analysis?
Socket's precomputed reachability analysis cuts CVE false positives by 60% automatically on Team plans, and up to 90% on Enterprise plans through function-level analysis.
SourceFalco: What does it cost?
The project is Apache 2.0 with no licence fee. The cost is the storage, routing, tuning and staff time needed to make its output useful.
Socket: Is there a discount for annual billing?
Yes. Socket offers a 20% discount for annual commitments across all subscription tiers.
SourceFalco: What kernel version do I need?
Kernel 5.8 or later for the default modern eBPF driver. Older hosts need the legacy eBPF probe or the kernel module.
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