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CISA with MS-ISAC, NSA and FBI

#StopRansomware Guide

Published by
CISA with MS-ISAC, NSA and FBI
Published
September 2023 edition (updates the 2020 Ransomware Guide)

What it does

A two-part guide: steps to prepare for and reduce the odds of a ransomware attack, and a list to follow if one happens.

Why we point IT leaders here

Plain, government-backed steps an IT leader can hand to a team on day one, covering offline backups and tested restores.

Open cisa.gov

Opens the publisher's page in a new tab.

Facts checked November 7, 2026