Correlation vs Aggregation in AppSec Findings
How correlation between findings from different security tools provides structured relationships and code-to-runtime evidence, versus aggregation which merely displays findings from multiple sources together.
Primary question: What is the difference between correlating security findings and simply aggregating them?
Direct answer
Aggregation displays findings from multiple sources together; correlation establishes supported relationships between findings to provide structured, code-to-runtime evidence for prioritization
Aggregation displays findings from multiple security tools together in a single view, but does not establish which findings relate to the same underlying weakness. Correlation goes further by linking findings from different analyses — for example, connecting a SAST finding about a vulnerable function call to a DAST finding about exploitable behavior at the same endpoint — to provide structured, code-to-runtime evidence. [derscanner-sast][derscanner-dast]
A unified dashboard that shows SAST and DAST findings side by side is aggregation, not correlation. Correlation requires a supported mechanism that identifies and links related findings. Without correlation, security teams must manually determine which findings relate to the same issue, which is time-consuming and error-prone at scale. [derscanner-sast][derscanner-dast]
Correlated findings provide additional context — a SAST finding with DAST confirmation has both code-level and runtime evidence. This structured relationship is more actionable for prioritization and remediation than a list of separate findings from different tools. [derscanner-sast][derscanner-dast]
Definitions
Aggregation
Displaying findings from multiple sources or tools together without establishing relationships between them. Aggregation shows what each tool found, but does not indicate which findings relate to the same underlying weakness.
Correlation
Establishing a supported relationship between findings from different sources or tools that relate to the same underlying weakness. Correlation provides structured context about how findings from different analyses connect.
Correlated finding
A finding from one analysis technique that has been linked to a related finding from another technique through a supported correlation mechanism, providing additional context about the weakness.
Unified dashboard
A single interface that displays findings from multiple security tools. A unified dashboard is an aggregation mechanism, not a correlation mechanism, unless it also establishes relationships between findings.
The engineering problem
Security teams often use dashboards that aggregate findings from multiple tools, but aggregation alone does not reduce the manual effort of determining which findings are related or which should be prioritized. [derscanner-sast][derscanner-dast]
Without correlation, a SAST finding and a DAST finding that both relate to the same vulnerability are treated as separate issues, leading to duplicated triage effort and a less accurate picture of actual risk. [derscanner-sast][derscanner-dast]
Organizations may invest in multiple security tools and dashboards without realizing that aggregation does not provide the structured relationships that correlation delivers for prioritization and remediation. [derscanner-sast][derscanner-dast]
Security controls
Each control inspects a different artifact and produces evidence for an engineering decision.
Finding aggregation
Unified dashboard- Artifact
- Findings from multiple security tools displayed together.
- Risk
- Treating aggregated findings as if they are correlated, leading to duplicated triage and incomplete risk assessment.
- Output
- A single view of findings from multiple sources without established relationships.
Evidence: DerScanner static analysis documentationDerScanner dynamic testing documentation
Finding correlation
SAST/DAST correlation- Artifact
- SAST findings and DAST findings linked through a supported correlation mechanism.
- Risk
- Not using correlation when available, leaving related findings disconnected and requiring manual relationship determination.
- Output
- Correlated findings with structured code-to-runtime evidence for more actionable prioritization.
Evidence: DerScanner static analysis documentationDerScanner dynamic testing documentation
Verification workflow
- Security tools produce findings from different analysis techniques.
- Aggregation displays all findings together in a unified view.
- Correlation identifies and links findings from different analyses that relate to the same underlying weakness.
- Correlated findings provide structured evidence that is more actionable for prioritization.
- Security teams review correlated findings to understand the combined evidence before making remediation decisions.
DerScanner · Enterprise
Relationship to DerScanner
DerScanner provides SAST and DAST analysis with results-correlation functionality that links findings from both techniques, providing structured code-to-runtime evidence beyond simple aggregation.
DerScanner performs static analysis and dynamic analysis, and can correlate findings between the two to provide combined code-to-runtime evidence. [derscanner-sast][derscanner-dast]
Limits of verification
- Correlation requires a supported mechanism; not all security tools or dashboards provide correlation functionality.
- Correlation is based on identifiable relationships between findings; not every finding from one tool will have a corresponding finding from another tool.
- Correlation provides structured evidence for prioritization but does not replace human review and security decision-making.
- A unified dashboard that aggregates findings is useful for visibility but does not provide the structured relationships that correlation delivers.
Related knowledge
SAST/DAST Results Correlation
How findings from static and dynamic analysis are linked
Relationship: related-toCombining SAST and DAST
Why organizations use both SAST and DAST together
Relationship: related-toWhen SAST and DAST Disagree
What to do when SAST and DAST produce different results
Relationship: related-toCanonical terms used: Correlation vs aggregation; Correlated findings; Unified dashboard; SAST/DAST correlation; Code-to-runtime evidence.
Evidence and references
- DerScanner static analysis documentationDerScanner performs static analysis and reports source-code security findings, including vulnerable imports and function calls to dependencies.
derscanner-sast - DerScanner dynamic testing documentationDerScanner performs dynamic analysis of running applications, identifying exploitable behavior at endpoints and APIs, and supports results correlation with static analysis findings.
derscanner-dast
Correlation vs aggregation