Vendor Intelligence Report

Is Microsoft 365 safe for
your vendor program?

FedRAMP Status
Microsoft 365 is listed on the FedRAMP Marketplace as Authorized (Moderate) as of March 2026.
SOC 2 Status
Microsoft 365 has not had a SOC 2 claim detected on their trust page.
Sanctions Screening
Microsoft 365 returned no matches in OFAC SDN, EU Consolidated, and UN sanctions screening.
Risk Tier
ThirdProof assigned Microsoft 365 a Moderate Risk tier with 82% confidence across 24 intelligence sources.

ThirdProof investigated Microsoft 365 (microsoft.com) across 24 intelligence sources including sanctions databases, cyber risk scores, business registries, and more.

Sanctions
Screened
Cyber Risk
Scored
Compliance
Verified
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✓FedRAMP Authorized (Moderate)

Verified against FedRAMP Marketplace API as of March 2026

Verified against the official FedRAMP Marketplace API as of March 2026.

Microsoft 365 Government authorized at Moderate and High impact levels.

Source: FedRAMP Marketplace

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Risk Tier
Tier 3 — Moderate Risk
Assessment
Conditional
Confidence
82%

Investigation Preview — 23 Sources Queried

Sanctions ScreeningClear — No matches found
SSL/TLS GradeA+
HTTP Headers (Public Site)D- (25/100)
Domain ReputationClean across 94 security engines
Infrastructure2 open ports, 0 CVEs
Malware & PhishingClean
IP ReputationAbuse score: 0%, 0 reports
Domain Age34.8 years
Certifications (Vendor-Attested)
GDPR

Full investigation report with evidence chain, compliance assessment, and recommended actions.

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Executive Summary Preview

Microsoft 365 (microsoft.com) is assessed at Tier 3 (Moderate Risk) with 82% confidence, reflecting a well-established and technically sound platform that nonetheless carries documented adverse media signals warranting elevated scrutiny. The domain presents an excellent security posture across network-layer indicators — SSL/TLS rated A+, clean IP and malware reputation, and a 34-year-old registered domain — but falls short on HTTP security header configuration, receiving a D- from independent security header analysis.

This is an excerpt from the full ThirdProof investigation report. Get the complete report →

Key Findings for Microsoft 365

SeverityFindingSource
highAdverse media in historical archivesHistorical Media Search
infoClean domain reputationThreat Intelligence
low1 certification claimed but not independently verifiedTrust & Compliance Page Scan

3 total findings in the full report. View all findings →

Recommended Actions

  1. Audit Microsoft 365 OAuth app permissions immediately: sign into the Microsoft Entra admin center (https://entra.microsoft.com), navigate to Enterprise Applications > App Registrations, and review all third-party apps with delegated or application permissions. Revoke any grants that are unused, unknown, or exceed least-privilege requirements.
  2. Obtain and execute Microsoft's Data Processing Agreement (DPA) for your subscription — download the current version at https://www.microsoft.com/en-us/licensing/docs/view/Microsoft-Products-and-Services-Data-Protection-Addendum-DPA. Confirm it covers your applicable Microsoft 365 services, data residency region, and any EU Data Boundary requirements.
  3. Enable phishing-resistant MFA across all Microsoft 365 user accounts. In the Entra admin center, configure Conditional Access policies requiring FIDO2 security keys or certificate-based authentication. Microsoft's deployment guide is available at https://learn.microsoft.com/en-us/entra/identity/authentication/how-to-enable-passkey-fido2.

Full recommendations available in the complete report.

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— April, Co-owner, The Perky Lady

What you'll see in Microsoft 365's report

Every ThirdProof report includes these sections

Risk Tier1–5 scale

Deterministic score based on evidence — not AI opinion

Confidence Score0–100%

Understand how complete the picture is — higher confidence means more data sources returned results

Individual FindingsPer-source

Each finding linked to its source with severity rating

Executive SummaryAI synthesis

Know exactly what to do next — plain-language guidance for your compliance team

Compliance Status3-tier verification

Independently verified, vendor attested, or not found

PDF ExportSHA-256 sealed

Audit-ready report with methodology disclosure

ThirdProof uses a deterministic rules engine to assign risk tiers. AI writes the narrative — rules drive the decision.

Intelligence Sources Queried for Microsoft 365

✓Sanctions & Watchlists
✓Business Registration
✓Adverse Media Scan
✓Company Intelligence
✓Domain Analysis
✓Infrastructure Exposure
✓Domain Registration
✓Threat Intelligence
✓Tech Community Sentiment
✓HTTP Security Scan
✓SSL/TLS Analysis
✓Certificate Transparency
✓Web Archive History
✓Threat Intel (OTX)
✓IP Reputation
✓Malware & Phishing Check
✓Website Security Scan
✓Trust & Compliance Scan
✓Subprocessor Discovery
✓FDIC Registry Check
✓SEC Filing Search
✓Historical Media Search
✓Certification Registry

Get Microsoft 365's complete risk report — risk tier, confidence score, individual findings, and AI synthesis — in under 2 minutes.

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What a ThirdProof investigation covers

Sanctions Screening

Is Microsoft 365 on any OFAC, EU, or UN sanctions list? Are any officers or affiliates flagged?

Cyber Risk Assessment

What is Microsoft 365's security posture? Threat intelligence scanning, known vulnerabilities, and security header analysis.

Business Registration

Is Microsoft 365 a legitimately registered business entity? Corporate status, jurisdiction, and officer verification.

Adverse Media Analysis

Has Microsoft 365 appeared in negative news coverage? Data breaches, lawsuits, regulatory actions, and complaints.

Domain & Infrastructure

Is Microsoft 365's website secure? TLS configuration, DNS hygiene, security headers, and domain age analysis.

Company Intelligence

What are Microsoft 365's firmographics? Employee count, industry classification, technology stack, and corporate structure.

Trust & Compliance Verification

Does Microsoft 365 claim SOC 2, ISO 27001, HITRUST, or FedRAMP? ThirdProof scans trust pages for certification claims and cross-references the FedRAMP public registry for independent verification.

Supply Chain & Subprocessor Discovery

Who does Microsoft 365 depend on? ThirdProof discovers subprocessors from vendor-published pages and runs sanctions screening and safe browsing checks against each one.

Regulatory & Financial Filings

Has Microsoft 365 appeared in SEC enforcement filings? Is it associated with any FDIC bank failures? ThirdProof searches regulatory databases with entity verification to confirm attribution.

Compliance Resources

→ CMMC Level 2 Supply Chain Risk Assessment→ Sanctions Screening for Vendor Due Diligence→ Vendor Due Diligence Checklist→ All 24 Intelligence Sources

Frequently asked about Microsoft 365

Is Microsoft 365 safe to use as a vendor?+
Microsoft 365 can be evaluated for vendor safety by checking sanctions databases (OFAC, EU, UN), verifying business registration through legal entity registries like GLEIF, scanning for adverse media coverage including data breaches and regulatory actions, and assessing domain security and cyber risk posture. ThirdProof automates this entire investigation across 24 intelligence sources and produces a deterministic risk tier (1-5 scale) with a confidence score. Run a free investigation to see Microsoft 365's full risk profile.
Does Microsoft 365 have SOC 2 certification?+
To verify whether Microsoft 365 holds SOC 2 certification, ThirdProof scans the vendor's trust page and security documentation for certification claims, then cross-references those claims against independent registries where available (such as the FedRAMP Marketplace for FedRAMP authorization). Certifications are classified as independently verified, vendor attested, or not found in evidence — ensuring you know the verification level of each claim.
Is Microsoft 365 FedRAMP authorized?+
Based on ThirdProof's investigation, Microsoft 365 holds FedRAMP authorization. Full details including authorization level and scope are available in the ThirdProof investigation report.
Has Microsoft 365 had any data breaches?+
ThirdProof's adverse media analysis searches multiple news APIs and public records for data breaches, security incidents, lawsuits, regulatory enforcement actions, and financial distress signals involving Microsoft 365. Each finding is linked to its original source with severity classification. The investigation also checks SEC EDGAR for enforcement-related filings and FDIC records for financial institution failures, providing a comprehensive public record review.
Is Microsoft 365 on any sanctions lists?+
ThirdProof screens Microsoft 365 against OFAC SDN, consolidated international sanctions lists, and PEP (Politically Exposed Persons) databases. The screening uses entity name verification to reduce false positives from similar names. If Microsoft 365 or any associated officers appear on a sanctions list, this triggers an automatic escalation to the highest risk tier. No sanctions match is confirmed through a clean screening report in the investigation output.
How do I assess Microsoft 365 for vendor risk?+
ThirdProof investigates Microsoft 365 autonomously in under 2 minutes using 24 intelligence sources — no questionnaires, no vendor participation required. The investigation covers sanctions screening, cyber risk scoring, business registration, adverse media, domain security, and more. Reports are formatted for SOC 2, HIPAA, PCI-DSS, and CMMC compliance frameworks. Your first investigation is free.

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