|
| 1 | +--- |
| 2 | +tags: |
| 3 | + - Security Specialist |
| 4 | + - Operations & Strategy |
| 5 | + - Devops |
| 6 | + - SRE |
| 7 | +contributors: |
| 8 | + - role: wrote |
| 9 | + users: [relotnek] |
| 10 | +--- |
| 11 | + |
| 12 | +# Decentralized Incident Response Framework (DeIRF) |
| 13 | + |
| 14 | +A lightweight, end-to-end scaffold for security teams that work without a single authority. |
| 15 | +Use it as a menu, not a mandate. |
| 16 | + |
| 17 | + |
| 18 | +# 1. Guiding Principles |
| 19 | + |
| 20 | +| Principle | What it means in practice | |
| 21 | +|-----------|---------------------------| |
| 22 | +| **Zero-trust by default** | Assume every identity, device, and network path is potentially hostile. | |
| 23 | +| **Shared responsibility** | Any responder can start an action if quorum rules are met. | |
| 24 | +| **Minimum viable process** | Fewer steps, fewer blockers, faster containment. | |
| 25 | +| **Open tooling** | Prefer transparent, auditable, community-maintained tools. | |
| 26 | +| **Identity plurality** | Accept multiple forms of strong identity proof. | |
| 27 | +| **Evidence first** | Collect before you change anything. | |
| 28 | +| **Continuous learning** | Retrospective after every incident and drill. | |
| 29 | + |
| 30 | +--- |
| 31 | + |
| 32 | +# 2. Roles and Identities |
| 33 | + |
| 34 | +| Role | Key duties | Identity options (at least two) | |
| 35 | +|------|-----------|----------------------------------| |
| 36 | +| **First Reporter** | Sounds the alarm and starts evidence capture. | GPG key, DID, or multisig wallet signature | |
| 37 | +| **Triage Lead** | Confirms severity, forms a swarm, assigns tasks. | FIDO2 passkey, GPG, signed Matrix handle | |
| 38 | +| **Comms Lead** | Handles community and regulator updates. | Company issued OIDC, Lens profile | |
| 39 | +| **Containment Lead** | Executes on chain actions or host isolation. | Multisig signer, SSH CA cert | |
| 40 | +| **Recorder** | Maintains the timeline in an immutable log. | GPG key, signed git commit | |
| 41 | + |
| 42 | +> **Tip**: Publish a public mapping of handles to real names and keep it in a tamper evident repo. |
| 43 | +
|
| 44 | +--- |
| 45 | + |
| 46 | +# 3. Preparation Checklist |
| 47 | + |
| 48 | +| Item | Why it matters | Suggested tools | |
| 49 | +|------|----------------|-----------------| |
| 50 | +| Asset inventory (code, infra, keys) | You cannot protect what you do not know. | ConfigDB + IaC scans, Sheet/CSV | |
| 51 | +| Log pipeline with reliable clock | Forensic accuracy and ordering. | Vector + Loki or OpenSearch, Elasticsearch, RunReveal | |
| 52 | +| Secure comms channels | Quick swarm with strong auth. | Matrix + E2EE, Signal groups, Wire | |
| 53 | +| Evidence bucket (write-once) | Keeps raw data safe. | S3 object-lock, Storj, or IPFS | |
| 54 | +| Automated alert rules | Detect known bad patterns. | On chain monitors, Falco, OpenZeppelin Defender, Slackbot | |
| 55 | +| Drill schedule | Muscle memory beats panic. | Calendar invites, gamedays, CTF | |
| 56 | + |
| 57 | +--- |
| 58 | + |
| 59 | +# 4. Detection and Triage Flow |
| 60 | + |
| 61 | +1. **Alert fires or user reports an issue.** |
| 62 | +2. **First Reporter** opens a ticket in the transparent issue tracker (GitHub security advisory or private GitLab issue). |
| 63 | +3. **Triage Lead** checks severity matrix. |
| 64 | +4. If **P1**, spin up a temporary incident channel with a predefined template. |
| 65 | +5. Assign Leads and set T-minus deadlines. |
| 66 | + |
| 67 | +| Pros | Cons | |
| 68 | +|------|------| |
| 69 | +| Fast and clear ownership | Relies on people in multiple time zones being awake | |
| 70 | +| Public log builds trust | Attackers also watch public data if over-shared | |
| 71 | + |
| 72 | +--- |
| 73 | + |
| 74 | +# 5. Containment Options |
| 75 | + |
| 76 | +| Method | When to use | Pros | Cons | |
| 77 | +|--------|-------------|------|------| |
| 78 | +| **Smart contract pause / circuit breaker** | Critical on-chain bug | Stops further damage instantly | Requires a pre-coded pause function and multisig | |
| 79 | +| **Multisig treasury freeze** | Key compromise or theft | No central keyholder | Coordination overhead | |
| 80 | +| **Host or pod quarantine** | Off-chain infra breach | Isolates without full shutdown | Needs orchestration rights | |
| 81 | +| **DNS or CDN reroute** | Phishing or DDoS | Quick traffic shift | May break some services | |
| 82 | + |
| 83 | +Keep a one-liner command ready for each action and store it in the runbook. |
| 84 | + |
| 85 | +--- |
| 86 | + |
| 87 | +# 6. Eradication and Recovery |
| 88 | + |
| 89 | +1. Patch or replace vulnerable code. |
| 90 | +2. Peer review with at least two signers. |
| 91 | +3. Deploy to staging with replay of attack scenario. |
| 92 | +4. Roll forward to production by multisig or automated pipeline. |
| 93 | +5. Verify by monitoring metrics and logs for stability. |
| 94 | + |
| 95 | +| Automation hint | Keep it simple | |
| 96 | +|-----------------|----------------| |
| 97 | +| GitHub Actions, ArgoCD, and Defender Autotasks are popular. | Always include a manual approval gate in case of false positives. | |
| 98 | + |
| 99 | +--- |
| 100 | + |
| 101 | +# 7. Post-Incident Actions |
| 102 | + |
| 103 | +| Step | Purpose | Tool Example | |
| 104 | +|------|---------|-------------| |
| 105 | +| **Retrospective within 72 h** | Capture lessons before they fade. | Miro board, Markdown doc in repo | |
| 106 | +| **Update runbooks and detection rules** | Prevent repeat events. | Docs-as-code PR | |
| 107 | +| **Reward community reporters** | Encourage transparency. | Bug bounty payouts, incentive model | |
| 108 | +| **Public disclosure** | Build long-term trust. | Blog post plus on-chain message | |
| 109 | + |
| 110 | +--- |
| 111 | + |
| 112 | +# 8. Quick-Start Templates |
| 113 | + |
| 114 | +| Need | Template location | |
| 115 | +|------|-------------------| |
| 116 | +| Incident channel message | /templates/incident-kickoff.md | |
| 117 | +| Retrospective form | /templates/retro-form.md | |
| 118 | + |
| 119 | +--- |
| 120 | + |
| 121 | +# 9. Pros and Cons of Decentralized IR |
| 122 | + |
| 123 | +| Aspect | Pros | Cons | |
| 124 | +|--------|------|------| |
| 125 | +| **No single point of failure** | Resilience if one keyholder is offline. | Slower consensus for urgent actions. | |
| 126 | +| **Community trust** | Transparent logs and multisig votes. | Public scrutiny can amplify panic. | |
| 127 | +| **Open tools** | Low cost, auditable, extensible. | Less vendor support, more DIY. | |
| 128 | +| **Identity plurality** | Flexibility for global teams. | Complex to manage revocation and role drift. | |
| 129 | + |
| 130 | +--- |
| 131 | + |
| 132 | +# 10. Keep It Alive |
| 133 | + |
| 134 | +- Run quarterly red team drills. |
| 135 | +- Rotate secrets on a fixed cadence. |
| 136 | +- Review identity proofs every six months. |
| 137 | +- Measure mean time to detect and contain. |
| 138 | +- Iterate on this framework during each retrospective. |
| 139 | + |
| 140 | +> **Remember**: Simplicity plus strong fundamentals beat heavy processes every time. |
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