Press release, Tietoevry | #ransomware | #cybercrime

Tietoevry Corporation     PRESS RELEASE     25 January 2024   1:15 p.m. EET

The ransomware attack on one of Tietoevry’s data centers in Sweden took place during the night of January 19-20. Tietoevry immediately isolated the affected platform, and the attack has not affected other parts of the company’s infrastructure.

Tietoevry continues to work around the clock with an extensive team of experts and technicians to restore services for the impacted customers. The systematic multi-phase work is advancing relentlessly in collaboration with the customers in question.

We wish to share that the first set of customer-specific systems impacted by the attack have been recovered and are up and running. Our efforts are aimed at ensuring a carefully planned sequenced flow of more customer systems reaching this state on ongoing basis.

Overall the customer-specific situations vary greatly, for example in terms of the solutions in question, customer-specific workloads and the volume and complexity of related data restoration. A restricted number of customer situations will require additional restoration actions that are being planned in close dialogue with those customers.

Considering the nature of the incident and the number of customer-specific systems to be restored, the restoration process extends over several days, even weeks.

“We have to proceed very systematically and thoroughly to ensure quality and security. We are making every effort to bring our customers’ services back safely as soon as technically possible. We regret the inconvenience caused by this malicious attack on our customers and all those affected by it.

We will continue our close collaboration with the police and other authorities and will accommodate them in every possible way to support the investigation. We are very eager to solve this and work together to prevent future cyberattacks on our society, with the safety and security of both ourselves and our customers in mind,” says Venke Bordal, Head of Market Sweden, Tietoevry Tech Services.

As ransomware attack is a serious criminal act, Tietoevry initiated contacts with the relevant authorities without delay, including the Swedish police. The police report was filed on the morning of Saturday January 20, and the active dialogue with authorities continues.


Please find our earlier published statements here:

January 22: Tietoevry: Ransomware attack in Sweden – restoration work progressing
January 21: UPDATE: Ransomware attack in Swedish data center (
January 20: Ransomware attack affecting services to customers in Sweden (


For further information, please contact:
Tietoevry Newsdesk, +358 40 5704072, news (at)

Tommi Järvenpää, Head of Investor Relations, tel. +358 40 576 0288, tommi.jarvenpaa (at)




Principal Media

Tietoevry creates purposeful technology that reinvents the world for good. We are a leading technology company with a strong Nordic heritage and global capabilities. Based on our core values of openness, trust and diversity, we work with our customers to develop digital futures where businesses, societies, and humanity thrive.

Our 24 000 experts globally specialize in cloud, data, and software, serving thousands of enterprise and public-sector customers in more than 90 countries. Tietoevry’s annual turnover is approximately EUR 3 billion and the company’s shares are listed on the NASDAQ exchange in Helsinki and Stockholm, as well as on Oslo Børs.

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