Summary of people.cs.uchicago.edu:443 (HTTPS) SSL Security Test
Provided "as is" without any warranty of any kind.
Date/Time:Nov 4th, 2026 04:53 GMT+0
Source IP/Port:128.135.164.80:443
Protocol:HTTPS
Location:Chicago, United States
Your final score:
- A
- B
- C
- F
C
The SSL certificate is untrusted. Modern browsers will display a security warning message to all website visitors. Review and remediate highlighted issues.
Non-compliant with PCI DSS requirements
CA of your SSL certificate is distrusted by Google Chrome and Mozilla Firefox.
Misconfiguration or weakness
Server supports HTTPS but it is configured to redirect to HTTP. This is a major security and privacy risk.
Misconfiguration or weakness
The server supports the most recent and secure TLS protocol version of TLS 1.3.
Good configuration
Certificate chain relies on expired certificate, it can break connection for some clients.
Misconfiguration or weakness
Test Results Summary for people.cs.uchicago.edu
- 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.
- 1 SSL/TLS end-entity certificate detected: the first certificate is an untrusted RSA 2048 bits certificate with issuer InCommon RSA OV SSL CA 3 valid until January 15, 2027. 1 certificate chain detected. Show details.
- All 7 supported cipher suites are compliant with PCI DSS. The server supports only PCI DSS compliant protocols: TLSv1.2 and TLSv1.3. All supported elliptic curves are compliant with PCI DSS: P-256, P-521, P-384, X25519 and X448. There is 1 more issue which makes the server non-compliant with PCI DSS: certificates are untrusted. Show details.
- 1 of 7 supported cipher suites is not compliant with HIPAA requirements (Ref. NIST SP 800-52). The server supports only HIPAA compliant protocols: TLSv1.2 and TLSv1.3. All supported elliptic curves are compliant with HIPAA: P-256, P-521, P-384, X25519 and X448. There is 1 more issue which makes the server non-compliant with HIPAA: server does not support OCSP stapling. Show details.
- 3 issues related to industry best practices were identified: HTTP site does not redirect to the HTTPS version, HTTPs site redirECts to HTTP, certificate chain rely on expired certificate. Show details.
Compliance Summary for people.cs.uchicago.edu
- PCI DSS Compliance Failed: All 7 supported cipher suites are compliant with PCI DSS. The server supports only PCI DSS compliant protocols: TLSv1.2 and TLSv1.3. All supported elliptic curves are compliant with PCI DSS: P-256, P-521, P-384, X25519 and X448. There is 1 more issue which makes the server non-compliant with PCI DSS: certificates are untrusted.
- HIPAA Compliance Failed: 1 of 7 supported cipher suites is not compliant with HIPAA requirements (Ref. NIST SP 800-52). The server supports only HIPAA compliant protocols: TLSv1.2 and TLSv1.3. All supported elliptic curves are compliant with HIPAA: P-256, P-521, P-384, X25519 and X448. There is 1 more issue which makes the server non-compliant with HIPAA: server does not support OCSP stapling.
- GDPR Compliance Failed: All 7 supported cipher suites are compliant with GDPR. The server supports only GDPR compliant protocols: TLSv1.2 and TLSv1.3. All supported elliptic curves are compliant with GDPR: P-256, P-521, P-384, X25519 and X448. There is 1 more issue which makes the server non-compliant with GDPR: certificates are untrusted.