Error 503 in WordPress signifies that your website can’t be reached at the present moment because the server in question is unavailable. This could happen because it’s too busy, under maintenance, or something else.
Most Ransomware attacks are delivered via email that appears to be legitimate. In that case, enticing you to click a link or download an attachment that delivers the malicious software. Ransomware is also delivered via drive-by-download attacks on compromised or malicious websites. Some ransomware attacks have even been sent using social media messaging.
Having a Website Backup is an important part of your business, especially if most of your work comes to you online. Although hosting services have greatly improved their uptime and system redundancy, there are situations where your website can crash.