http://ssd.iykpqm7jiradoeezzkhj7c4b33g4hbgfwelht2evxxeicbpjy44c7ead.onion/ps/module/how-avoid-phishing-attacks
At most, they may send you a notification about an upcoming change or data overage alongside a link to public documentation. If someone sends you a suspicious email or link, don’t open or click on it until you’ve mitigated the situation with the above tips and you can be confident it’s not malicious.