NIST MFA Factors Something You Know Have Are
The nist mfa factors something you know have are rule needs two separate proof types. Tech teams meet this rule by pairing a password with a key or scan. The National Institute of Standards and Technology writes clear rules for digital identity checks. Special Publication 800-63B splits login proofs into three basic groups. You must use two different groups to verify a user during login. Using two items from the same group does not count as multi-factor security. For example, a password plus a
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The nist mfa factors something you know have are rule needs two separate proof types. Tech teams meet this rule by pairing a password with a key or scan.
The National Institute of Standards and Technology writes clear rules for digital identity checks. Special Publication 800-63B splits login proofs into three basic groups. You must use two different groups to verify a user during login. Using two items from the same group does not count as multi-factor security. For example, a password plus a secret PIN only uses one factor group. Security managers must enforce true multi-factor checks across all production systems and databases.
Scope and evidence for nist mfa factors something you know have are
First, something you know means a secret memorized by the user. Passwords, passphrases, and secret PIN numbers fall into this first group. Attackers often steal these secrets through phishing emails or credential leaks. Second, something you have means a physical item held by the user. Hardware security keys, cards, and phone token apps fit here. NIST favors phishing-resistant hardware keys for high-risk system logins. Third, something you are measures a physical part of the user. Fingerprints and face scans belong to this third biometric group. NIST says biometrics must work alongside a physical device you hold.
Auditors check how your team sets up these three factors for production systems. This evidence supports SOC 2 Type II, HIPAA, GDPR, and PCI DSS audits. It also helps teams pass SOX, ISO 27001, and FedRAMP reviews. Auditors ask for identity provider rules that force multi-factor checks on every user. They also ask for proof that shared database passwords enforces policy on these checks. You must show who logged in and when they passed the factor check.
Why login checks need command logs and data masking
Passing a strong factor check at login is only the first step. A user who logs in with a password and hardware key gets inside. Once inside a database or server, standard identity tools stop watching their actions. Auditors want to see every query and command run after the login check. Periodic access reviews fail when managers only see login timestamps without query details.
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Runtime command logs close this gap for security and engineering managers. Every database query links back to the verified identity from the login check. Managers can review exact actions during quarterly audits instead of guessing user intent. Response masking adds another layer of safety during live database sessions. Masking rewrites matched fields like emails, phone numbers, card numbers, and national IDs. Engineers can fix production bugs while sensitive customer fields stay masked in results.
How to roll out strong factor rules for engineers
Start by mapping every tool, server, and database your tech team uses daily. Link all these systems to one central identity provider with strict login rules. Require a password plus a hardware key or phone app for every login. Remove shared admin accounts that let users skip the central identity check. Set up approval workflows when an engineer needs to run a sensitive command. Review your command logs each month to remove unused roles and permissions.
Check database and API queries on the wire
Identity tools, roles, and network rules decide who opens a session. Setup alone cannot check what each query does or mask sensitive values in a response once a session starts. When workflows touch Postgres, MySQL, SQL Server, MongoDB, ClickHouse, Kubernetes APIs, SSH, or internal HTTP APIs, hoop.dev runs beside those services as an open-source proxy, a sidecar for your Postgres or API. It inspects requests coming in and results going back on the wire.
Your login details and client tools stay as they are while hoop.dev guardrails refuse bad deletes or drops before they run. On responses, hoop.dev data masking rewrites matched sensitive values in memory. Furthermore, hoop.dev holds SOC 2 Type II, is MIT licensed, and writes every query and decision to an audit trail that generates evidence for HIPAA, GDPR, and PCI DSS. See the source on GitHub.
Frequently asked questions
Do two passwords count as multi-factor under NIST rules?
No, two passwords both fall under the something you know factor group. You must pair a password with a physical device or a biometric scan.
How does NIST view SMS text codes for login checks?
NIST places SMS codes in a restricted category due to phone swapping risks. Hardware security keys and cryptographic apps offer much stronger protection for admin roles.
Why do auditors ask for query logs if we use strong MFA?
Strong login factors only prove who started the session at the front door. Auditors need query logs to verify that approved users ran safe commands inside.