[security-observability] Daily Security Observability Report — 2026-05-25

[github-actions[bot]]

Executive Summary

Over the last 7 days, the gh-aw firewall monitored 38 firewall-enabled workflow runs across 2,301 total network requests. Of these, 1,652 were allowed (71.8%) and 649 were blocked (28.2%). The dominant block pattern is Google-related service traffic — predominantly browser automation telemetry from Playwright-based workflows — along with internal proxy and localhost connections that are not in the allowlist. No cross-workflow escalation or novel external reconnaissance was detected.

On the DIFC (Data Integrity and Flow Control) front, no integrity-filtered events were detected across the 5 runs analyzed in this period. This is a healthy signal: DIFC controls are in place but not being triggered, indicating workflows are operating within their declared information flow boundaries without attempting to mix untrusted inputs into privileged tool calls.

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🔥 Firewall Analysis

Key Firewall Metrics

Metric	Value
Workflows analyzed (firewall-enabled)	38
Total network requests monitored	2,301
✅ Allowed requests	1,652
🚫 Blocked requests	649
Block rate	28.2%
Total unique blocked domains	9

📈 Firewall Request Trends

All 38 monitored runs occurred on 2026-05-25. The 28.2% block rate is driven primarily by Google services telemetry (from Playwright/browser automation) and internal proxy endpoints. The allowed traffic is dominated by AI engine API calls (Anthropic, Copilot) and GitHub API interactions, which represents expected and healthy workflow behavior.

Top Blocked Domains

The top blocked domains are almost entirely Google services (content-autofill.googleapis.com, www.google.com, accounts.google.com, safebrowsingohttpgateway.googleapis.com, android.clients.google.com, clients2.google.com) triggered by browser automation in Smoke/Playwright workflows. The localhost:8080 and api-proxy:* blocks indicate internal proxy endpoints that workflows attempted to reach but are outside the declared network.allowed list.

Most Frequently Blocked Domains

Domain	Times Blocked	Category
localhost:8080	61	Internal proxy
content-autofill.googleapis.com	60	Google browser telemetry
www.google.com	45	Google services
api-proxy:10002	36	Internal proxy
accounts.google.com	35	Google auth/services
api-proxy:10000	24	Internal proxy
android.clients.google.com	21	Google mobile services
safebrowsingohttpgateway.googleapis.com	17	Google safe browsing
clients2.google.com	6	Google update services

View Detailed Request Patterns by Workflow

Workflow	Runs	Allowed	Blocked
Smoke Copilot	3	138	155
Smoke Claude	3	237	91
Smoke Gemini	3	129	67
PR Code Quality Reviewer	2	183	63
Smoke Pi	3	6	60
Matt Pocock Skills Reviewer	2	98	34
Test Quality Sentinel	2	95	31
PR Sous Chef	1	72	29
UK AI Operational Resilience	1	106	29
Daily SPDD Spec Planner	1	69	21
The Daily Repository Chronicle	1	59	21
Daily Copilot PR Merged Report	1	59	18
Repository Tree Map Generator	1	39	11
Agent Container Smoke Test	3	27	10
Agent Persona Explorer	1	20	9

🔒 Firewall Security Recommendations

1. Investigate Smoke Copilot high block rate: With 155 blocked vs 138 allowed, Smoke Copilot has an unusual >50% block rate. Review whether its network allowlist needs updating or if it's attempting unexpected external connections.
2. Google services in Playwright workflows: Blocks for *.google.com, *.googleapis.com are expected side-effects of browser automation. Consider adding *.google.com and *.googleapis.com to the allowlist for Playwright/browser workflows if those connections are intentional.
3. Internal proxy blocks (localhost:8080, api-proxy:10000/10002): These internal endpoints are being reached by agent code but are outside declared network permissions. Audit which workflows trigger these and update their network.allowed lists or firewall rules accordingly.
4. Smoke Pi high block ratio: 60 blocked vs 6 allowed suggests nearly all network traffic is being blocked — review the network policy for this workflow.

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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

📈 DIFC Events Over Time

No DIFC integrity-filtered events were detected across the 5 DIFC-monitored runs in the last 7 days. This indicates that workflows are correctly operating within their declared information flow boundaries.

🔧 Top Filtered Tools

No tool calls were filtered by DIFC in this period.

🏷️ Filter Reasons and Tags

No integrity or secrecy tag violations were recorded.

📋 Per-Workflow DIFC Breakdown

Workflow	Filtered Events
Issue Triage Agent	0
Code Simplifier	0
Daily Community Attribution Updater	0
Daily Team Evolution Insights	0

💡 DIFC Tuning Recommendations

1. No action required this cycle: Zero filtered events across all monitored workflows is the ideal outcome, indicating DIFC rules are correctly calibrated without being over-restrictive.
2. Continue monitoring: Maintain the current DIFC configuration and watch for any filtered events as new workflows are added or existing ones are updated with new tool integrations.
3. Expand DIFC coverage: Consider enabling DIFC monitoring on more workflows, particularly those with high firewall block rates (e.g., Smoke Copilot, PR Code Quality Reviewer) to get full signal coverage.

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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: §26410464249

Generated by 🔒 Daily Security Observability Report · sonnet46 3M · ◷

• expires on May 28, 2026, 5:09 PM UTC