🔒 Companies with TLS configuration issues

These domains have outdated TLS versions, weak cipher suites, or other TLS misconfigurations that could expose data in transit.

236
Companies affected
2378
Total scanned
10%
Prevalence
Domain
Score
Tier
TLS Version
35/100
Fail
Unknown
38/100
Fail
Unknown
38/100
Fail
Unknown
38/100
Fail
Unknown
38/100
Fail
Unknown
+231 more companies
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Which companies have TLS configuration issues?

TLS (Transport Layer Security) encrypts data between a user's browser and a website. Outdated versions like TLS 1.0 and 1.1 have known vulnerabilities. Weak cipher suites can be broken by attackers, exposing sensitive data in transit. The domains below were found by LynxRadar to have TLS misconfigurations including outdated protocol versions, weak ciphers, or certificate issues.

LynxRadar scanned 2378 domains including Fortune 500 companies and Y Combinator startups. Of those, 236 (10%) were found to have this security gap. The data above is updated continuously as new domains are scanned. Scan any domain to check its status.

Frequently Asked Questions

Which TLS version is considered secure?
TLS 1.2 and TLS 1.3 are considered secure. TLS 1.0 and 1.1 have been deprecated by major browsers since 2020 due to known vulnerabilities.
How many companies have outdated TLS?
In LynxRadar's scan of 2378 domains, 236 (10%) were found with TLS configuration issues including outdated protocols or weak cipher suites.