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Ransomware Prevention & Response Playbook

What every business should have in place before an incident, and what to do inside the first hour when one happens.

Every business owner we've talked to who's been through a ransomware incident says the same thing afterward: they wish they'd had the plan on a piece of paper before it happened. This is that piece of paper.

Prevent

  • Multi-factor authentication on every account, no exceptions, including the ones people complain about
  • Air-gapped or immutable backups with 30/90/365-day retention
  • Endpoint detection and response, not the antivirus you had in 2018
  • Email security with URL rewriting and attachment sandboxing
  • Annual tabletop exercise with the executive team, including the awkward one

The first hour if one happens

  • ISOLATE: pull affected systems from the network immediately
  • PRESERVE: do not power off, do not delete anything, do not "clean it up"
  • REPORT: call your cyber-insurance carrier's claims or breach line and your legal counsel early (most policies require prompt notice and their own approved response firm), and your MSP to contain the damage
  • REPORT to the FBI at ic3.gov as well; it costs nothing and can help with recovery
  • DO NOT PAY without written authorization from your cyber-insurance carrier and your counsel

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