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Incidents in country:

Sweden

8 incidents catalogued

Data breachResolved

APOIA.se data breach (2025)

In December 2025, a database of the Brazilian crowdfunding platform APOIA.se was posted to an online forum. In January 2026, the company confirmed it had suffered a data breach. The incident exposed 451k unique email addresses along with names and physical addresses.

Victim
APOIA.se
Records
450.8K
Data breachResolved

Miljödata data breach (2025)

In August 2025, the Swedish system supplier Miljödata was the victim of a ransomware attack. Following the attack, data was subsequently published on the dark web and included 870k unique email addresses across various compromised files.

Victim
Miljödata
Records
870.1K
RansomwareResolved

Gunnebo security blueprints leak

Attackers breached Swedish physical-security firm Gunnebo, stole 19 GB of data, and after the company refused to pay, leaked bank-vault floor plans, alarm schematics, and security arrangements for high-value clients including a Swedish parliament building.

Victim
Gunnebo Group
Records
38.0K
Data breachResolved

Swedish Transport Agency data leak

A botched IT outsourcing deal exposed Sweden's entire vehicle and driver-licence database — including data on protected identities, police, and military personnel — to foreign IT workers without security clearance, triggering a national political crisis.

Victim
Swedish Transport Agency (Transportstyrelsen)
Data breachResolved

Hemmakväll data breach (2015)

In July 2015, the Swedish video store chain Hemmakväll was hacked and nearly 50k records dumped publicly. The disclosed data included various attributes of their customers including email and physical addresses, names and phone numbers.

Victim
Hemmakväll
Records
47.3K
Data breachResolved

Flashback data breach (2015)

In February 2015, the Swedish forum known as Flashback had sensitive internal data on 40k members published via the tabloid newspaper Aftonbladet. The data was allegedly sold to them via Researchgruppen (The Research Group) who have a history of exposing otherwise anonymous users, primarily those…

Victim
Flashback
Records
40.3K