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KOLOSALTech
Calculator · 1 minute

Anti-ransomware backup ROI.

How much would a ransomware disaster cost you? How much do you gain by investing in immutable backup? A quantified answer in 1 minute.

Your parameters

30
5500
€15,000
€1,000€500,000
7 d
1 d30 d
1 d
0 d7 d
20 %
5 %80 %
€4,500
€500€50,000

Simplified assumptions: linear downtime over business days. Not included: GDPR fines, long-term customer loss, team stress. Indicative estimate only.

5-year summary
Expected savings / year
€3,600
Net ROI / year (after solution cost)
-€900
ROI %
-20 %
Payback
15 months
Details
Current downtime cost
€105,000
Target downtime cost
€15,000
Savings per avoided incident
€90,000
Estimated annual probability
4 %
Current average annual cost (no solution)
€4,200
Solution cost / year
€4,500

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3-2-1-1-0 method

3 copies, 2 media, 1 off-site, 1 immutable, 0 errors at test. 2026 standard.

Realistic RTO

An untested backup = no backup. Monthly restore testing is mandatory.

Average SME ransomware cost 2026

~€250k for 30 workstations (ransom + downtime + remediation + customer loss). Source: field feedback.