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https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git
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mukul975
48 lines
1.9 KiB
Python
48 lines
1.9 KiB
Python
#!/usr/bin/env python3
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"""DLP Policy Analyzer - Analyzes DLP alert exports for policy tuning."""
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import json, csv, sys, os
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from collections import Counter
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from datetime import datetime
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def parse_dlp_alerts(csv_path: str) -> list:
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alerts = []
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with open(csv_path, "r", encoding="utf-8-sig") as f:
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for row in csv.DictReader(f):
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alerts.append({
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"timestamp": row.get("Date", ""),
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"user": row.get("User", ""),
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"activity": row.get("Activity", ""),
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"policy": row.get("Policy", ""),
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"sit": row.get("Sensitive Info Type", ""),
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"action": row.get("Action", ""),
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"location": row.get("Location", ""),
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"overridden": row.get("Override", "").lower() == "true",
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})
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return alerts
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def analyze(alerts: list) -> dict:
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return {
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"total": len(alerts),
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"by_policy": dict(Counter(a["policy"] for a in alerts).most_common(20)),
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"by_user": dict(Counter(a["user"] for a in alerts).most_common(20)),
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"by_activity": dict(Counter(a["activity"] for a in alerts).most_common(10)),
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"by_sit": dict(Counter(a["sit"] for a in alerts).most_common(10)),
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"override_rate": round(sum(1 for a in alerts if a["overridden"]) / max(len(alerts), 1) * 100, 2),
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"blocked": sum(1 for a in alerts if "block" in a["action"].lower()),
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}
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if __name__ == "__main__":
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if len(sys.argv) < 2:
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print("Usage: python process.py <dlp_alerts.csv>")
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sys.exit(1)
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alerts = parse_dlp_alerts(sys.argv[1])
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result = analyze(alerts)
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out = os.path.join(os.path.dirname(sys.argv[1]) or ".", "dlp_analysis.json")
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with open(out, "w") as f:
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json.dump({"report_generated": datetime.utcnow().isoformat() + "Z", **result}, f, indent=2)
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print(f"Total: {result['total']} | Blocked: {result['blocked']} | Override rate: {result['override_rate']}%")
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