Unknown or unauthorized content appearing on your site.
Changes in website layout or design without your knowledge.
Pop-up ads or unwanted advertisements.
Unexplained spikes in traffic.
Suspicious activities or login attempts in your access logs.
Complaints about phishing attempts or other suspicious activity on your site.
If you're unable to access your admin panel or notice new users or changes to passwords, this could be a sign of a hacker taking control using malware.