What it does. 'Implements security chaos engineering experiments that deliberately Part of mukul975/Anthropic-Cybersecurity-Skills (817 security skills) (mukul975/Anthropic-Cybersecurity-Skills).

Install

• npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill implementing-security-chaos-engineering, or copy the skill folder into ~/.claude/skills/implementing-security-chaos-engineering/.
• Raw file: curl -sL https://raw.githubusercontent.com/mukul975/Anthropic-Cybersecurity-Skills/HEAD/skills/implementing-security-chaos-engineering/SKILL.md

SKILL.md (verbatim)

name: implementing-security-chaos-engineering
description: 'Implements security chaos engineering experiments that deliberately
  disable or degrade security controls to verify detection and response capabilities.
  Tests WAF bypass, firewall rule removal, log pipeline disruption, and EDR disablement
  scenarios using boto3 and subprocess. Use when validating SOC detection coverage
  and resilience.

  '
domain: cybersecurity
subdomain: security-operations
tags:
- security-chaos-engineering
- detection-validation
- resilience-testing
- control-validation
- security-operations
version: '1.0'
author: mahipal
license: Apache-2.0
nist_ai_rmf:
- MEASURE-2.7
- MAP-5.1
- MANAGE-2.4
atlas_techniques:
- AML.T0070
- AML.T0066
- AML.T0082
nist_csf:
- DE.CM-01
- RS.MA-01
- GV.OV-01
- DE.AE-02
mitre_attack:
- T1078
- T1190
- T1059
- T1027
- T1070

Implementing Security Chaos Engineering

When to Use

• When deploying or configuring implementing security chaos engineering capabilities in your environment
• When establishing security controls aligned to compliance requirements
• When building or improving security architecture for this domain
• When conducting security assessments that require this implementation

Prerequisites

• Familiarity with security operations concepts and tools
• Access to a test or lab environment for safe execution
• Python 3.8+ with required dependencies installed
• Appropriate authorization for any testing activities

Instructions

Design and execute security chaos experiments that intentionally break security controls to verify that detection, alerting, and response systems work correctly.

# Example: Verify detection when a security group is opened
import boto3
ec2 = boto3.client("ec2")

# Chaos experiment: temporarily add 0.0.0.0/0 rule
ec2.authorize_security_group_ingress(
    GroupId="sg-12345",
    IpProtocol="tcp", FromPort=22, ToPort=22,
    CidrIp="0.0.0.0/0",
)
# Verify: does GuardDuty/Config alert fire within SLA?
# Rollback: remove the rule after verification

Key experiments:

1. Open a security group and verify Config Rule alerts
2. Disable CloudTrail and verify detection time
3. Create IAM admin user and verify alert triggers
4. Simulate log pipeline failure and check monitoring gaps
5. Deploy test malware hash and verify EDR response

Examples

# Rollback function for safe experiment execution
def run_experiment(setup_fn, verify_fn, rollback_fn, timeout=300):
    try:
        setup_fn()
        result = verify_fn(timeout)
    finally:
        rollback_fn()
    return result

Other files in this skill

• LICENSE
• references/api-reference.md
• scripts/agent.py

references/api-reference.md (verbatim)

API Reference: Implementing Security Chaos Engineering

Experiment Pattern

def run_experiment(setup_fn, verify_fn, rollback_fn, timeout=300):
    try:
        setup_fn()       # Introduce failure
        result = verify_fn(timeout)  # Check detection
    finally:
        rollback_fn()    # Always restore
    return result

AWS boto3 (Chaos Actions)

import boto3

# Open security group
ec2 = boto3.client("ec2")
ec2.authorize_security_group_ingress(GroupId="sg-xxx",
    IpProtocol="tcp", FromPort=22, ToPort=22, CidrIp="0.0.0.0/0")
# Rollback
ec2.revoke_security_group_ingress(...)

# Stop CloudTrail
ct = boto3.client("cloudtrail")
ct.stop_logging(Name="main-trail")
ct.start_logging(Name="main-trail")  # rollback

# Check Config compliance
config = boto3.client("config")
config.get_compliance_details_by_config_rule(
    ConfigRuleName="restricted-ssh",
    ComplianceTypes=["NON_COMPLIANT"])

Experiment Catalog

References

• AWS Config Rules: https://docs.aws.amazon.com/config/latest/developerguide/
• GuardDuty: https://docs.aws.amazon.com/guardduty/
• Security Chaos Engineering book: https://www.oreilly.com/library/view/security-chaos-engineering/

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