Rethinking 3-2-1 Rule for Microsoft 365 Backup: Two Engines, One Outcome
Security leaders don’t buy backups, they buy risk reduction and defensible compliance. The 3-2-1 backup rule remains the most durable way to break dependency chains: keep 3 copies of your data, on 2 different storage systems or media, with 1 copy offsite (ideally immutable). In cloud productivity suites like Microsoft 365, the key isn’t counting …
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