My WordPress Blog sends malicious traffic to other sites

We have recently detected that your Google Cloud Project wordpress-blog (id: xxxxxx) IP XX.XXX.XXX.XXX has been performing intrusion attempts against a third-party and appears to be violating our Terms of Service. You can fix the problem by ensuring that your project traffic directed at third-parties is expected, and that your project has not been compromised. Please check the traffic originating from all your instances and fix any other instances that may be impacted by this.