VDR-TFR-PDDPersistent Drift Detection
allvaries by class: a, b, c, d
The statement for this requirement varies by certification class — see the per-class deadlines below.
Who it binds
Controls whose FedRAMP guidance points at VDR (12)
Their guidance names the Vulnerability Detection and Response rules as a whole, not this requirement — so this is where to read from, not a mapping to this clause. Controls no KSI reaches have no page and are not listed.
Deadlines (4)
| Class | Timeframe | Statement |
|---|---|---|
| D | 7 days | Providers with Class D Certifications SHOULD persistently perform vulnerability detection on all information resources that are likely to drift, at least once every 7 days. |
| C | 14 days | Providers with Class C Certifications SHOULD persistently perform vulnerability detection on all information resources that are likely to drift, at least once every 14 days. |
| B | 1 month | Providers with Class B Certifications SHOULD persistently perform vulnerability detection on all information resources that are likely to drift, at least once every month. |
| A | 3 months | Providers with Class A Certifications SHOULD persistently perform vulnerability detection on all information resources that are likely to drift, at least once every 3 months. |
Which certifications it binds
- Certification type
- 20x · Rev5
- Path
- Program · Agency
Evidence this requirement demands
No requirement-specific artifacts — but the defaults below still apply.
5 default artifacts owed by every FRR requirement
- Explanation of how the rule is followed, or an explanation of the reason and resulting risk to customers for not following the rule.
- Verification that the implementation is appropriate for the rule, or that the reason for not implementing is accepted by a senior official.
- Validation that the implementation is in place and working as intended, or that the reason for not implementing is accepted by a senior official.
- Independent verification.
- Independent validation.
Group all, subset TFR of Vulnerability Detection and Response. See all obligations on /obligations or the full evidence plan on /evidence.