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Cyber Threat
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Ransomware group

Arkana ransomware

6 victims listed on the Arkana leak site across 2 countries. Most recent disclosure .

Victims
6
0% of all tracked
Countries
2
Most: United States
Sectors
5
Most: Technology
First seen
Mar 2025
In this database

ThreatAI analysis

Compiled from the ransomware.live profile for Arkana and from this database. Figures and technique mappings are quoted from the source data, not inferred.

Who Arkana is

Arkana is a ransomware group that emerged in early 2025 and gained attention by claiming an attack on U.S. broadband provider WideOpenWest (WOW!), operating a three-phase ransom/sale/leak extortion model primarily focused on telecom and internet service providers.

Recorded activity

Disclosures attributed to Arkana in this database run from March 2025 to June 2025, totalling 6 victims — 0% of everything tracked here. Arkana has listed victims in 2 countries in this database, most often United States, followed by United Kingdom. The sectors appearing most in its listings are Technology, Consumer Services, Financial Services.

YARA detection rules

arkana.yar 
/*
Arkana ransomware
*/

rule Arkana_Ransomnote
{
    meta:
        author = "ransomware.live"
        family = "ransomware.arkana"
        description = "Detects Arkana ransomware ransom note"
        date = "2026-05-04"
        severity = 7
        score = 70

    strings:
        $s1 = "Arkana" ascii nocase
        $s2 = "ARKANA" ascii
        $s3 = "arkana.onion" ascii nocase

    condition:
        any of them
}

Community-contributed rules for Arkana, reproduced as published. Test them against your own corpus before relying on them: rule quality and false-positive behaviour vary by author.

Threat actor analysis

Arkana has disclosed 6 victims on its leak site, 0% of all ransomware listings tracked in this database. Its earliest disclosure here dates to March 2025.

The group has listed organisations in 2 countries, most often in United States (4 victims), followed by United Kingdom.

By industry, its listings concentrate in Technology, Consumer Services, Financial Services — sectors that hold sensitive data or cannot tolerate long outages, both of which raise the pressure to pay.

Like most current ransomware operations, Arkana is likely to use double extortion: data is stolen before files are encrypted, and organisations that refuse to pay are named on the leak site with the stolen data as leverage.

Generated from public leak-site disclosures aggregated via the ransomware.live API and updated automatically.

Arkana victims 6

Organization Disclosed
Synopsys
USUnited States
Ticketmaster
USUnited States
Infinox
GBUnited Kingdom
Anglo American plc
GBUnited Kingdom
Oregon Surveillance Network - OSN!
USUnited States
Wide Open West - WOW!
USUnited States

Frequently asked questions

What is Arkana ransomware?

Arkana is a ransomware threat group that has claimed 6 victims since its first known activity in March 2025. The group operates by infiltrating target networks, exfiltrating data, encrypting files, and threatening to publish stolen data on a dark web leak site if the ransom is not paid.

How many victims has Arkana attacked?

Arkana has claimed 6 victims in our database, representing 0% of all tracked ransomware attacks. The most targeted countries are United States, United Kingdom.

Which countries does Arkana target?

Arkana has attacked organizations in 2 countries. The top targeted countries are: United States, United Kingdom.

Which industries does Arkana target?

Arkana most frequently targets the Technology, Consumer Services, Financial Services sectors based on victim disclosures in our database.

Is Arkana still active?

Arkana's most recent victim disclosure in our database was on June 6, 2025. Ransomware groups frequently rebrand or go dormant; monitor this page and our ransomware map for the latest activity.