85
nhg.com.sg
Findings
5
·
3
·
0
Checks
8 passive
Executive Summary
AI-GENERATED
nhg.com.sg scored 85/100, demonstrating a strong security posture. Minor improvements are noted below.
Positive signals: TLS Configuration, Known Breaches, HSTS Header all passed.
3 action items identified, including 0 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
Strengthen email authentication configuration
Email authentication is partially configured for nhg.com.sg but has gaps. Actions needed: configure DKIM. Until DMARC enforcement is active, spoofed emails may still reach recipients.
Compliance Impact
NIST CSFPR.AC-7
Email authentication is a required access control
Remediation Steps
1
Configure DKIM and publish public key in DNS
2
Verify with: nslookup -type=txt _dmarc.nhg.com.sg
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2
Enable DNSSEC on your domain
Without DNSSEC, DNS responses for nhg.com.sg 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 .sg TLD
4
Verify: dig +dnssec nhg.com.sg
3
Review certificate configuration
Certificate issues found for nhg.com.sg: wildcard certificate in use. Wildcard certificates have a broader blast radius if compromised. These are operational hygiene items, not immediate security risks.
Remediation Steps
1
Consider replacing wildcard cert with individual certs for critical subdomains
2
Consolidate certificate issuance to 1–2 trusted CAs
Scan Findings
DMARC / Email Security
Warning
DNS Configuration
Warning
Certificate Hygiene
Warning
TLS Configuration
Healthy
Known Breaches
Healthy
HSTS Header
Healthy
Security Headers
Healthy
CVE Exposure
Healthy