‘Invalid Security Certificate’ Message
This error is caused by Man-in-the-Middle (MITM) protection, which occurs when an application or service (e.g., antivirus software) tries to monitor your traffic.
- Cause: The certificate details may have changed due to interference, such as a firewall inspecting traffic.
- Solution:
- Investigate certificates stored on your device. Refer to guides likethis one.
- Review ApexGuard’s blog post on web certificates for additional guidance.
- Example: If the error is caused by a Cisco firewall, and you trust the website, it is safe to proceed.
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