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Tieto

Tieto Vendor Cyber Rating & Cyber Score

tieto.com
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ISO 27001
SOC 2 Type 1
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Tieto provides customers across different industries with mission-critical solutions through its specialized software businesses Tieto Caretech, Tieto Banktech and Tieto Indtech as well as Tieto Tech Consulting business. The company's around 13 000 talented vertical software, design, cloud and AI experts are dedicated to empowering our customers to succeed and innovate with latest technology. Tieto’s annual revenue is approximately EUR 2 billion. The company’s shares are traded on the NASDAQ exchange in Helsinki and Stockholm.


Tieto A.I CyberSecurity Scoring

Incident Details
Tieto
Company Information
Website:https://www.tieto.com/
Employees number:12,209
Number of followers:1,318,669
NAICS:513
Industry Type:Technology, Information and Internet
Homepage:tieto.com
Cyber Premium EstimationGet Supply Chain
Tieto Risk Score (AI oriented)
Between 700 and 749
logo
TietoTechnology, Information and Internet
Updated:
07/09/2026
742/1000
Moderate
Ba
AaaAaABaaBaBCaaCaC
Powered by our proprietary A.I cyber incident model
✖ Insurance prefers TPRM score to calculate premium
Tieto Global Score (TPRM)
xxxx
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TietoTechnology, Information and Internet
•••
Score locked
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Vulnerabilities
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Findings

TietoModerate
Current Score
742Ba (MODERATE)
01000
1 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
SEPTEMBER 2026
743Before Incident
AUGUST 2026
742Before Incident
JULY 2026
741Before Incident
JUNE 2026
740Before Incident
MAY 2026
739Before Incident
APRIL 2026
738Before Incident
MARCH 2026
737Before Incident
FEBRUARY 2026
736Before Incident
JANUARY 2026
735Before Incident
DECEMBER 2025
733Before Incident
NOVEMBER 2025
732Before Incident
OCTOBER 2025
731Before Incident
JULY 2025
811Before Incident
Ransomware
01 Jul 2025 • Tieto
Tietoevry

Akira Ransomware Attacks via SonicWall SSL VPN Zero-Day

725After Incident
CRITICAL-86
TIE722080425
Tietoevry, a leading European IT services and software company, has been affected by the Akira ransomware attack. The attack, which started in mid-July 2025, exploited a zero-day vulnerability in SonicWall SSL VPN devices. This led to unauthorized access and subsequent encryption of critical data. The ransomware group, Akira, is known for dismantling backups to hinder recovery efforts, causing significant disruption to Tietoevry's operations.
INCIDENT DETAILS -
TYPE
Ransomware
MOTIVATION
Financial gain
IMPACT
WindowsLinux
REFERENCES
Blog URLSource URL

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