My Website Got Attacked: Japanese Title and Descriptions. How is this Possible?

Hello everyone, My website (estemex.com) got hacked a while ago. As you can see from the screenshot above there are many spammy URL’s indexed on Google (which doesn’t exist on my website) and the title and descriptions are made up of Japanese characters. It's clear that my website was attacked by a malicious person.



What I'm wondering is how someone could have done it? And what should I do to protect myself from such attacks in the future?...

My Website Got Attacked: Japanese Title and Descriptions. How is this Possible?

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