NIST 800-53 r5 · Controls catalogue · Family SI
SI-20Tainting
Embed data or capabilities in the following systems or system components to determine if organizational data has been exfiltrated or improperly removed from the organization: {{ insert: param, si-20_odp }}.
Last updated: 21 August 2026 22:22 UTC
Implementations targeting this control (3)
- aws-config-cloudwatch-alarm-action-check Critical CloudWatch alarms have at least one action AWS::CloudWatch::Alarm partial detect enforce
- aws-config-cloud-trail-cloud-watch-logs-enabled Cloud Trail Cloud Watch Logs Enabled AWS::CloudTrail::Trail partial detect enforce
- aws-config-guardduty-enabled-centralized Guardduty Enabled Centralized AWS::GuardDuty::Detector partial detect enforce
ATT&CK techniques this control mitigates (0)
- No ATT&CK techniques mapped to this control yet.
Weaknesses this control addresses (6)AI-assisted
CWEs ranked by how often they appear in real CVEs. The rationale describes how this control reduces exploitability of each weakness class.
| CWE | Name | CVEs | Why this control addresses it |
|---|---|---|---|
CWE-200 | Exposure of Sensitive Information to an Unauthorized Actor | 11,000+ | Tainting directly detects exfiltration resulting from exposure of sensitive information to unauthorized actors. |
CWE-552 | Files or Directories Accessible to External Parties | 500+ | Detects improper removal of data from files or directories that are accessible to external parties. |
CWE-201 | Insertion of Sensitive Information Into Sent Data | 300+ | Embedding taints allows detection when sensitive data is inserted into outbound or sent data streams. |
CWE-497 | Exposure of Sensitive System Information to an Unauthorized Control Sphere | 300+ | The control detects removal of sensitive system information into an unauthorized control sphere. |
CWE-359 | Exposure of Private Personal Information to an Unauthorized Actor | 200+ | Tainting enables identification of exfiltration of private personal information to unauthorized parties. |
CWE-538 | Insertion of Sensitive Information into Externally-Accessible File or Directory | 98 | Tainting makes it possible to determine when sensitive data has been removed from externally accessible files or directories. |
Top CVEs where this control is the strongest mitigation
| CVE | Risk | CVSS | EPSS | Match |
|---|---|---|---|---|
| No CVEs annotated to this control yet — the per-CVE backfill is in progress. | ||||