Add Cybersecurity Division with 5 specialized agents

CONTRIBUTING.md

@@ -32,6 +32,7 @@ Have an idea for a specialized agent? Great! Here's how to add one:
 
 1. **Fork the repository**
 2. **Choose the appropriate category** (or propose a new one):
+   - `cybersecurity/` - Offensive and defensive security specialists
    - `engineering/` - Software development specialists
    - `design/` - UX/UI and creative specialists
    - `game-development/` - Game design and development specialists

README.md

@@ -96,6 +96,18 @@ Building the future, one commit at a time.
 | 🔧 [Data Engineer](engineering/engineering-data-engineer.md) | Data pipelines, lakehouse architecture, ETL/ELT | Building reliable data infrastructure and warehousing |
 | 🔗 [Feishu Integration Developer](engineering/engineering-feishu-integration-developer.md) | Feishu/Lark Open Platform, bots, workflows | Building integrations for the Feishu ecosystem |
 
+### 🛡️ Cybersecurity Division
+
+Offensive and defensive security specialists who protect systems, investigate breaches, and hunt threats.
+
+| Agent | Specialty | When to Use |
+|-------|-----------|-------------|
+| 🗡️ [Penetration Tester](cybersecurity/cybersecurity-penetration-tester.md) | Red team operations, vulnerability exploitation, AD attacks, cloud pentesting | Authorized security assessments, attack surface evaluation, red team engagements |
+| 🚨 [Incident Responder](cybersecurity/cybersecurity-incident-responder.md) | Digital forensics, breach investigation, crisis coordination, post-mortems | Active breach response, forensic analysis, incident containment and recovery |
+| ☁️ [Cloud Security Architect](cybersecurity/cybersecurity-cloud-security-architect.md) | Zero trust design, IAM, IaC security, multi-cloud defense | Designing secure cloud architectures, implementing guardrails, compliance automation |
+| 🔍 [Threat Intelligence Analyst](cybersecurity/cybersecurity-threat-intelligence-analyst.md) | Adversary tracking, MITRE ATT&CK mapping, YARA/Sigma rules, campaign analysis | Threat landscape monitoring, detection engineering, intelligence-driven defense |
+| 🔐 [Application Security Engineer](cybersecurity/cybersecurity-appsec-engineer.md) | Threat modeling, secure code review, SAST/DAST, developer security education | Securing the SDLC, vulnerability management, building AppSec programs |
+
 ### 🎨 Design Division
 
 Making it beautiful, usable, and delightful.