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Wow I'm surprised, you're right, and it has happened before:

> the attacker issued and registered a free temporary 3-month certificate for the developers[.]kakao.com domain through SSL certificate issuer called ZeroSSL. Because the routing policy was already manipulated by the BGP Hijacking, the attacker was able to register the certificate.

https://medium.com/s2wblog/post-mortem-of-klayswap-incident-...

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You could mitigate this by monitoring certificate transparency logs for unwanted certificates issued for your domain.

Currently there are no good monitors though aka the system is a bit broken.

And another one: https://notes.valdikss.org.ru/jabber.ru-mitm/

It sounds like that one may have been the result of a "lawful intercept", so perhaps not necessarily BGP hijacking. If you have legitimate control of the ASN/network, it's not a hijack.

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