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70% of Cybersecurity Pros Often Work Weekends
(www.infosecurity-magazine.com)
This is a most excellent place for technology news and articles.
My org has a follow-the-sun rule and avoids having people work on weekends. It helps that it's a global team, so there's only around maybe 18-20 hours in the middle of the weekend where it's not a Monday or Friday somewhere in the world.