SSL Security Test of
cisco.com

Test the SSL/TLS stack of your web or email server for security, cryptographic flaws and misconfigurations, and compliance with NIST & HIPAA
Free online tool with PDF report
  • Web Server SSL/TLS Security
  • Post-Quantum Cryptography (PQC) Readiness
  • Email Server SSL/TLS Security
  • PCI DSS, GDPR, HIPAA & NIST Compliance
  • SSL Certificate Validity
  • Best-Practices Compliance
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188,711,298 tests performed
Provided "as is" without any warranty of any kind
206
tests
running
104,163
tests
in 24 hours
Tests in 24 Hours
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Summary of cisco.com:443 (HTTPS) SSL Security Test

Provided "as is" without any warranty of any kind.
Date/Time:Nov 6th, 2026 15:13 GMT+0
Source IP/Port:72.163.4.185:443
Protocol:HTTPS
Location:Richardson, United StatesUnited States
Your final score:
  • A
  • B
  • C
  • F
F

Test Results Summary for cisco.com

  • Post-Quantum Cryptography (PQC) Readiness Test
    The server on the tested port is currently not prepared for post-quantum key exchange. The server’s certificate chain relies entirely on classical signature algorithms without post-quantum support. Show details.
  • SSL/TLS Certificate Analysis
    1 SSL/TLS end-entity certificate detected: the first certificate is a trusted RSA 2048 bits certificate with issuer HydrantID Server CA O1 valid until March 21, 2027. 1 certificate chain detected. Show details.
  • PCI DSS Compliance Test
    6 of 17 supported cipher suites are not compliant with PCI DSS. The server supports only PCI DSS compliant protocols: TLSv1.2. All supported elliptic curves are compliant with PCI DSS: X25519. There are 2 more issues which make the server non-compliant with PCI DSS: diffie-hellman parameter weak, potential Marvin Attack. Show details.
  • NIST and HIPAA Compliance Test
    6 of 17 supported cipher suites are not compliant with HIPAA requirements (Ref. NIST SP 800-52). The server supports only HIPAA compliant protocols: TLSv1.2. All supported elliptic curves are compliant with HIPAA: X25519. There are 4 more issues which make the server non-compliant with HIPAA: server does not support OCSP stapling, diffie-hellman parameter weak, no support for common curves, server does not support TLS 1.3. Show details.
  • Industry Best Practices Test
    2 issues related to industry best practices were identified: server does not support TLS 1.3, server supports client-initiated secure renegotiation. Show details.

Compliance Summary for cisco.com

  • PCI DSS Compliance Failed: 6 of 17 supported cipher suites are not compliant with PCI DSS. The server supports only PCI DSS compliant protocols: TLSv1.2. All supported elliptic curves are compliant with PCI DSS: X25519. There are 2 more issues which make the server non-compliant with PCI DSS: diffie-hellman parameter weak, potential Marvin Attack.
  • HIPAA Compliance Failed: 6 of 17 supported cipher suites are not compliant with HIPAA requirements (Ref. NIST SP 800-52). The server supports only HIPAA compliant protocols: TLSv1.2. All supported elliptic curves are compliant with HIPAA: X25519. There are 4 more issues which make the server non-compliant with HIPAA: server does not support OCSP stapling, diffie-hellman parameter weak, no support for common curves, server does not support TLS 1.3.
  • GDPR Compliance Failed: 6 of 17 supported cipher suites are not compliant with GDPR. The server supports only GDPR compliant protocols: TLSv1.2. All supported elliptic curves are compliant with GDPR: X25519. There are 2 more issues which make the server non-compliant with GDPR: diffie-hellman parameter weak, potential Marvin Attack.
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