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Home/Blog/Security Tips
Security Tips

How to Check a Website's SSL Certificate

IsThisAScam Research TeamApril 5, 20261 min read
Contents
  1. Certificate Contents
  2. How to View
  3. Certificate Types
  4. Red Flags
  5. SSL Checker Tools
  6. Practical Example

The padlock icon means encrypted connection, not trustworthy website. Over 83% of phishing sites use HTTPS. To verify identity, inspect the SSL certificate itself.

Not sure about a website? IsThisAScam.to checks SSL certificates automatically in its 6-layer analysis.

Certificate Contents

Subject (domain), issuer (CA), validity period, certificate type (DV/OV/EV), and public key.

Think it might be a scam?

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How to View

  • Chrome: Padlock > "Connection is secure" > "Certificate is valid"
  • Firefox: Padlock > "Connection secure" > "More information" > "View Certificate"
  • Safari: Padlock > "Show Certificate"

Certificate Types

  • DV (Domain Validation): Free, minutes to obtain. Verifies domain control only. Used by both legit and scam sites.
  • OV (Organization Validation): Verifies organization identity. Costs money, takes days. Organization name appears in certificate. Scam sites rarely invest in OV.
  • EV (Extended Validation): Most rigorous. Extensive legal identity verification. Gold standard for financial sites.

Red Flags

  • Certificate mismatch (domain does not match)
  • Expired certificate
  • Self-signed certificate on a production site
  • Free DV certificate on a site claiming to be a major bank

SSL Checker Tools

SSL Labs (ssllabs.com/ssltest), SSL Shopper, crt.sh for certificate history.

Practical Example

chase-secure-login.com: DV cert from Let's Encrypt (Chase uses EV from DigiCert), issued 2 days prior, no organization listed. Every indicator: phishing.

See website safety guide and domain age.

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