How do I install the Techtide Falco Runtime Threat Rules Review skill?

Run npx skillmds@latest add techtideohio/techtide-falco-runtime-threat-rules-review in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

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This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Techtide Falco Runtime Threat Rules Review free to use?

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Who published Techtide Falco Runtime Threat Rules Review?

TechTideOhio (@techtideohio) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Techtide Falco Runtime Threat Rules Review by techtideohio

Name: Techtide Falco Runtime Threat Rules Review
Author: TechTideOhio

Techtide Falco Runtime Threat Rules Review

Use this skill when reviewing Falco rules files, falco.yaml configuration, or runtime security posture for a Kubernetes workload. Trigger when a user provides Falco rules YAML, asks whether their Falco setup covers a specific threat, questions rule exception scope, or wants to validate that Falco alert output reaches their SIEM or incident response pipeline.

TechTideOhio Updated Sep 17, 2026

File contents

Falco Runtime Threat Rules Review

Purpose

This skill reviews Falco runtime security rules and configuration for correctness, coverage gaps, and operational safety. Falco is a CNCF kernel-level threat detection tool; a misconfigured exception or a silently unconfigured audit webhook means real attacks produce zero alerts. The review catches macro composition errors, overly broad exceptions, missing sensitive-path rules, K8s audit webhook gaps, and alert output routing failures before attackers can exploit them.

Lean operating rules

Treat any rule exception that whitelists an entire process name family (proc.name in (java, python, node, sh, bash)) for a sensitive syscall category as HIGH - this creates a full detection blind spot for those runtimes.
Treat any rule exception that uses container.name in (my-app) without an explicit syscall scope as HIGH - it disables all Falco detection for that container.
Treat the absence of rules covering /proc/*/mem access, /etc/shadow reads, and /var/run/secrets mounts as HIGH - these are high-signal kernel-level indicators of container escape and credential theft.
Treat K8s audit rules present in the ruleset but no K8s audit webhook configured in the API server as HIGH - the rules exist but never fire because audit events are never delivered.
Treat Falco output routed only to stdout with no log aggregation or Falco sidekick configured as HIGH - alerts are silently lost unless a logging pipeline captures stdout from the Falco pod.
Flag rules with priority set uniformly to EMERGENCY or CRITICAL for non-critical conditions as MEDIUM - miscalibrated priorities cause alert fatigue and operators begin ignoring or disabling Falco.
Flag macro composition that uses negation (not) without referencing container context macros - bare process-name rules fire on the host as well as in containers.
Do not recommend disabling or commenting out default Falco rules without stating the specific workload justification and residual risk.
Label all findings with evidence basis: rule text provided, documentation-based, or inference from missing config.

References

Load these only when needed:

Workflow and output contract - use when executing the full review or formatting the final answer.

Response minimum

Return, at minimum:

Macro and rule composition correctness findings
Exception scope assessment (process name, container name, syscall scope)
Sensitive-path coverage gaps (/proc/*/mem, /etc/shadow, /var/run/secrets)
K8s audit webhook connectivity assessment
Alert output channel findings (sidekick, gRPC, stdout-only risk)
Severity-labelled finding list (critical / high / medium / low)
Safe next actions

---name: techtide-falco-runtime-threat-rules-reviewdescription: Use this skill when reviewing Falco rules files, falco.yaml configuration, or runtime security posture for a Kubernetes workload. Trigger when a user provides Falco rules YAML, asks whether their Falco setup covers a specific threat, questions rule exception scope, or wants to validate that Falco alert output reaches their SIEM or incident response pipeline.---# Falco Runtime Threat Rules Review## PurposeThis skill reviews Falco runtime security rules and configuration for correctness, coverage gaps, and operational safety. Falco is a CNCF kernel-level threat detection tool; a misconfigured exception or a silently unconfigured audit webhook means real attacks produce zero alerts. The review catches macro composition errors, overly broad exceptions, missing sensitive-path rules, K8s audit webhook gaps, and alert output routing failures before attackers can exploit them.## Lean operating rules- Treat any rule exception that whitelists an entire process name family (`proc.name in (java, python, node, sh, bash)`) for a sensitive syscall category as HIGH - this creates a full detection blind spot for those runtimes.- Treat any rule exception that uses `container.name in (my-app)` without an explicit syscall scope as HIGH - it disables all Falco detection for that container.- Treat the absence of rules covering `/proc/*/mem` access, `/etc/shadow` reads, and `/var/run/secrets` mounts as HIGH - these are high-signal kernel-level indicators of container escape and credential theft.- Treat K8s audit rules present in the ruleset but no K8s audit webhook configured in the API server as HIGH - the rules exist but never fire because audit events are never delivered.- Treat Falco output routed only to stdout with no log aggregation or Falco sidekick configured as HIGH - alerts are silently lost unless a logging pipeline captures stdout from the Falco pod.- Flag rules with priority set uniformly to EMERGENCY or CRITICAL for non-critical conditions as MEDIUM - miscalibrated priorities cause alert fatigue and operators begin ignoring or disabling Falco.- Flag macro composition that uses negation (`not`) without referencing container context macros - bare process-name rules fire on the host as well as in containers.- Do not recommend disabling or commenting out default Falco rules without stating the specific workload justification and residual risk.- Label all findings with evidence basis: rule text provided, documentation-based, or inference from missing config.## ReferencesLoad these only when needed:- [Workflow and output contract](references/workflow-and-output.md) - use when executing the full review or formatting the final answer.## Response minimumReturn, at minimum:- Macro and rule composition correctness findings- Exception scope assessment (process name, container name, syscall scope)- Sensitive-path coverage gaps (/proc/*/mem, /etc/shadow, /var/run/secrets)- K8s audit webhook connectivity assessment- Alert output channel findings (sidekick, gRPC, stdout-only risk)- Severity-labelled finding list (critical / high / medium / low)- Safe next actions

Frequently asked questions