Endpoint Protection Service
Answers
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Hello @MikaK
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We've reviewed your post, and based on the debug logs we've collected from some of our users, we've found that high CPU usage can often be caused by conflicting antivirus software installed on the same device, or even by other applications or processes crashing. We recommend checking our suggested steps to help address the issue. If the problem still persists after trying these steps, please let us know and share a debug log with us.
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Firmy
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Hi,
I'm leaving the rest of the thread to the capable hands of our support but if you're talking about file-signing certificates, the regular expectation that you have with web pages needing to have not expired certificates is not valid there. Signed files have counter-signatures from timestamp server and the are considered legit as long as the certificate was valid when file was signed even if it expires later.
The only reasons for such signed file to become invalid after signing is if the signing certificate or its issuer certificates become revoked by certificate authority or untrusted by operating system vendor.
In fact for example Microsoft Trusted Signing issues on purpose issues very short certificates with intent for them to expire and not be usable for malicious purposes after the signing activity even if leaked. It may look weird if you don't know what's going but this actually increases security of the cryptographic trust for binaries.
Seppo
