Expert · Lessons: 4
Understanding cloud security
Who is responsible for what in the cloud, how accounts and keys get compromised, and how to keep your files and services under your control.
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- 1 The shared responsibility model
Cloud providers secure the infrastructure. You secure what you put in it. Most cloud breaches happen on the customer’s side of that line.
8 min - 2 Identity is the new perimeter
There is no office wall around a cloud account. The account itself — its password, its second factor, and every app you granted access to — is the perimeter now.
9 min - 3 Data in the cloud: encryption, key holders, and sharing links
Almost every cloud provider encrypts your data. The question that actually matters is who holds the key that unlocks it — and who a sharing link trusts.
9 min - 4 Hardening your cloud accounts
A short, repeatable review: who is signed in, what apps can reach your account, whether your backups exist, and whether you would notice if something went wrong.
8 min
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