Just checked on their website, and the latest version (6.5.6, updated May 10, 2022) can be downloaded there now! So that is good, at least. Source: about 2 years ago

Why dont you ask them to consider moving this to google calender, use a plug in like modern events calender, and have them display something nice instead of a headache like a google sheet? Source: over 2 years ago

Modern Events Calendar might work. There's a bunch of different layouts included with it and it integrates with Elementor. Source: over 2 years ago

I'v used the Modern events calendar for a few projects, you can find more info here: https://webnus.net/modern-events-calendar/. Source: over 2 years ago

Https://wp-eventmanager.com or https://webnus.net/modern-events-calendar/. Source: over 2 years ago

If you use a solid host like WPengine and a security app like wordfence.com it would be a very rare day indeed to get hacked. Source: about 1 year ago

If on wordpress, use the free version of wordfence.com to scan your site and identify possible viruses. Continue to use wordfence to protect the site, and if a successful business blossoms, consider the premium paid version. I'm not affiliated in any way, I've simply used the product with success for a number of years. Source: about 2 years ago

You can also read the documentation to learn about Wordfence's blocking tools, or visit wordfence.com to learn more about Wordfence. Source: over 2 years ago