[security-observability] Daily Security Observability Report — 2026-05-09

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Executive Summary

This report covers the last 7 days of security observability for the github/gh-aw repository, combining firewall traffic analysis across 4 agentic workflow runs and DIFC integrity filtering activity. The most significant finding is that the Smoke Claude workflow generated all observed blocked traffic — 31 out of 64 total requests (48% block rate) — all destined for Google services that are not part of the permitted domain policy. No DIFC integrity-filtered events were detected in this reporting window, indicating that the Data Integrity and Flow Control system is operating cleanly with no tool calls blocked for integrity or secrecy violations.

Overall, the firewall is functioning as expected: GitHub infrastructure and Anthropic API domains are consistently allowed, while external Google tracking and browsing services are correctly blocked. The only concern is understanding why the Smoke Claude workflow is initiating Google service connections, likely from a browser automation component that attempts network connectivity checks.

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🔥 Firewall Analysis

Key Firewall Metrics

Metric	Value
Workflows analyzed (firewall-enabled)	4
Total network requests monitored	108
✅ Allowed requests	77
🚫 Blocked requests	31
Block rate	28.7%
Total unique blocked domains	6

📈 Firewall Request Trends

Firewall traffic is dominated by the Smoke Claude workflow, which accounts for all 31 blocked requests. The three other workflows (/cloclo, Daily Team Evolution Insights, Issue Triage Agent) each completed with 100% allowed traffic, predominantly to api.anthropic.com:443. The high block rate in Smoke Claude (48%) warrants investigation into whether browser-based components are making unnecessary outbound connections.

Top Blocked Domains

All 6 blocked domains are Google-owned services. The top blocked domain is content-autofill.googleapis.com:443 (10 blocks), followed by www.google.com:443 (8 blocks) and accounts.google.com:443 (6 blocks). These are consistent with browser automation tools attempting Chrome/Chromium connectivity checks or authentication flows.

Most Frequently Blocked Domains

Domain	Times Blocked	Workflows	Category
content-autofill.googleapis.com:443	10	Smoke Claude	Google autofill API
www.google.com:443	8	Smoke Claude	Google main domain
accounts.google.com:443	6	Smoke Claude	Google OAuth
safebrowsingohttpgateway.googleapis.com:443	3	Smoke Claude	Google Safe Browsing
android.clients.google.com:443	3	Smoke Claude	Android/Chrome services
clients2.google.com	1	Smoke Claude	Google client updates

View Detailed Request Patterns by Workflow

Workflow	Total Requests	Allowed	Blocked	Block Rate
/cloclo	14	14	0	0%
Daily Team Evolution Insights	16	16	0	0%
Issue Triage Agent	14	14	0	0%
Smoke Claude	64	33	31	48%

Smoke Claude allowed domains:

• api.anthropic.com:443 — 52 requests (LLM API calls)
• api.githubcopilot.com:443 — 14 requests (Copilot API)
• github.githubassets.com:443 — 7 requests (GitHub assets)
• collector.github.com:443 — 2 requests (telemetry)
• api.github.com:443 — 1 request
• github.com:443 — 1 request

View Complete Blocked Domains List

• accounts.google.com:443
• android.clients.google.com:443
• clients2.google.com
• content-autofill.googleapis.com:443
• safebrowsingohttpgateway.googleapis.com:443
• www.google.com:443

🔒 Firewall Security Recommendations

1. Investigate Smoke Claude's Google traffic: The workflow is generating 31 blocked Google requests per run, likely from Chromium/browser automation making connectivity or autofill service checks. If not needed, consider disabling these browser features or using a headless mode that suppresses background connectivity.
2. These blocks are correct: All blocked Google domains are non-essential for the workflow's stated purpose. Do not allowlist them — the firewall is working correctly here.
3. No new suspicious domains: No unexpected or potentially exfiltration-related domains appeared in blocked traffic. All blocked traffic is attributable to known Google services.
4. Monitor trend over time: If Smoke Claude's block count increases significantly, it may indicate a new browser component or feature has been enabled.

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🔒 DIFC Integrity Analysis

Key DIFC Metrics

Metric	Value
Total filtered events	0
Unique tools filtered	0
Unique workflows affected	0
Most common filter reason	N/A
Busiest day	N/A

✅ No DIFC integrity-filtered events were detected in the last 7 days. The Data Integrity and Flow Control system found no tool calls that violated integrity or secrecy policies. This is the expected healthy state — all 4 analyzed workflow runs completed without triggering DIFC blocks.

💡 DIFC Tuning Recommendations

1. No action required: Zero filtered events indicates the current DIFC policy is well-aligned with workflow behavior. Continue monitoring in subsequent daily reports.
2. Maintain baseline awareness: As new workflows are added or existing ones gain new tool access, periodically review DIFC configuration to ensure policies remain appropriately scoped.

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Generated by the Daily Security Observability workflow (consolidated from Daily Firewall Reporter + Daily DIFC Analyzer)
Analysis window: Last 7 days | Repository: github/gh-aw
Run: §25605562442

Generated by Daily Security Observability Report · ● 22.4M · ◷

• expires on May 12, 2026, 4:40 PM UTC

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This discussion was automatically closed because it expired on 2026-05-12T16:40:35.299Z.

Closed by Workflow