Mitigate Japanese Keyword Hack in Laravel App

I urgently need assistance in dealing with a suspected Japanese keyword hack issue in my Laravel app. Noticed the problem following a sudden dip in Google search rankings, and unfortunately, I haven't made any progress in addressing it. Here are some key user requirements: - Full administrative access to the system will be granted to troubleshoot and resolve this issue. - Efficiently identifying and eliminating the Japanese keyword hack issue. - Insuring minimal downtime during the mitigation process. Ideal skills and expertise: - Extensive experience in Laravel application security. - Prior experience dealing with Japanese keyword hacks. - Proficiency in analyzing and rectifying Google search rankings related issues. - Should have good Laravel application server management skills, preferably on Digital Ocean. Your prompt assistance in bringing life back to my online presence would be appreciated. Let's rid this app of murky waters, revamp it's search performance and drive it back on track, shall we?