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mukul975
73 lines
2.5 KiB
Markdown
73 lines
2.5 KiB
Markdown
# Workflows - Vulnerability SLA Breach Alerting
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## Workflow 1: SLA Assignment on New Findings
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### Trigger
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New vulnerability findings imported from scanner.
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### Steps
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1. Parse incoming vulnerability data (CVE ID, CVSS score, affected asset)
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2. Look up asset criticality from CMDB to determine if SLA should be tightened
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3. Calculate SLA tier based on CVSS score and asset criticality
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4. Compute SLA deadline: `discovered_at + remediation_days`
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5. Insert SLA record into tracking database
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6. Assign finding owner based on asset ownership mapping
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7. Send initial notification to asset owner with SLA deadline
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## Workflow 2: Hourly SLA Breach Check
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### Trigger
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Cron job running every hour.
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### Steps
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1. Query all open vulnerability SLA records
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2. For each record, calculate current SLA status:
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- **within_sla**: Less than 80% of SLA window elapsed
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- **approaching_breach**: 80-100% of SLA window elapsed
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- **breached**: Past SLA deadline
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3. For approaching_breach findings (first notification):
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- Send Slack/Teams warning to asset owner
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- Send email notification to asset owner and team lead
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4. For breached findings:
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- Send immediate Slack alert to security team channel
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- Trigger PagerDuty incident for critical/high severity
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- Send escalation email to management chain
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- Update escalation_level in database
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5. For post-breach findings (already breached, escalation increase):
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- Every 12 hours, increase escalation level
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- Level 1: Team lead notification
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- Level 2: Director notification
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- Level 3: VP/CISO notification
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## Workflow 3: Remediation Confirmation
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### Trigger
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Vulnerability scanner re-scan confirms finding resolved.
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### Steps
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1. Match resolved finding to SLA record
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2. Record remediation timestamp
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3. Calculate if remediation was within SLA
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4. Update SLA record status to `remediated_within_sla` or `remediated_breach`
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5. Close any associated PagerDuty incidents
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6. Send confirmation notification to asset owner
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7. Update metrics dashboard
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## Workflow 4: Monthly SLA Compliance Report
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### Trigger
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First business day of each month.
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### Steps
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1. Query all SLA records for the previous month
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2. Calculate metrics by severity tier:
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- Total findings per tier
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- SLA compliance rate per tier
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- Mean time to remediate per tier
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- Count of currently overdue findings
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3. Identify top 10 assets with most SLA breaches
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4. Identify teams with lowest compliance rates
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5. Generate HTML report with charts
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6. Email report to security leadership
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7. Update executive dashboard
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