38
unitedhealth.com
Findings
2
·
2
·
1
Checks
8 passive
Executive Summary
AI-GENERATED
unitedhealth.com scored 38/100 and does not meet the minimum security posture threshold. The most critical issue is: Set up email authentication (DMARC, SPF, DKIM). This must be addressed before the vendor can be approved for procurement or data processing activities.
Critical gaps in: DMARC / Email Security. Positive signals: Known Breaches, CVE Exposure all passed.
3 action items identified, including 1 critical. The issues are configuration gaps, not architectural problems. A focused remediation effort of 2–5 days could address all findings.
Action Items
Ordered by priority · 3 items
1
Set up email authentication (DMARC, SPF, DKIM)
Without email authentication, anyone can send emails that appear to come from unitedhealth.com. This is the most common vector for phishing attacks targeting employees and customers. DMARC, SPF, DKIM are not configured.
Compliance Impact
NIST CSFPR.AC-7
Email authentication is a required access control
ISO 27001A.13.2.1
Information transfer policies require email security controls
HIPAA§164.312(e)
Transmission security for electronic PHI
Remediation Steps
1
Add SPF record to DNS: v=spf1 include:_spf.google.com ~all (adjust for your email provider)
2
Configure DKIM signing with your email provider and publish the public key in DNS
3
Add DMARC record: v=DMARC1; p=quarantine; rua=mailto:dmarc-reports@unitedhealth.com
4
Monitor DMARC reports for 2–4 weeks, then upgrade policy to p=reject
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2
Enable DNSSEC on your domain
Without DNSSEC, DNS responses for unitedhealth.com can be spoofed, potentially redirecting users to malicious sites. This requires coordination with your domain registrar to publish DS records.
Compliance Impact
NIST 800-53SC-20
Secure name/address resolution service
Remediation Steps
1
Check if your DNS provider supports DNSSEC (Cloudflare, Route53, etc.)
2
Enable DNSSEC signing in your DNS provider dashboard
3
Add the DS record to your registrar for .com TLD
4
Verify: dig +dnssec unitedhealth.com
3
Review certificate configuration
Certificate issues found for unitedhealth.com: . These are operational hygiene items, not immediate security risks.
Remediation Steps
1
Consolidate certificate issuance to 1–2 trusted CAs
Scan Findings
DMARC / Email Security
Critical
DNS Configuration
Warning
Certificate Hygiene
Warning
TLS Configuration
Error
HSTS Header
Error
Security Headers
Error
Known Breaches
Healthy
CVE Exposure
Healthy