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Cyber Threat
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Ransomware group

Silent ransomware

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

Victims
6
0% of all tracked
Countries
2
Most: United States
Sectors
3
Most: Technology
First seen
Apr 2025
In this database

ThreatAI analysis

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

Who Silent is

Unlike many other groups, Silent claims to operate with a high level of anonymity and discretion. According to their own statement, they avoid public negotiations and encrypt minimal data. Instead, their focus is on stealing valuable confidential corporate information — and either selling it to competitors, on the dark web, or publishing it selectively.

Recorded activity

Disclosures attributed to Silent in this database run from April 2025 to June 2025, totalling 6 victims — 0% of everything tracked here. Silent has listed victims in 2 countries in this database, most often United States, followed by Canada. The sectors appearing most in its listings are Technology, Public Sector, Manufacturing.

YARA detection rules

silent.yar 
/*
silent ransomware
*/

rule silent_Ransomnote
{
    meta:
        author = "ransomware.live"
        family = "ransomware.silent"
        description = "Detects silent ransomware ransom note or artifact"
        date = "2026-05-04"
        severity = 7
        score = 70

    strings:
        $name1 = "silent" ascii nocase
        $name2 = "SILENT" ascii
        $onion  = "silent.onion" ascii nocase

    condition:
        any of them
}

Community-contributed rules for Silent, 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

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

The group has listed organisations in 2 countries, most often in United States (5 victims), followed by Canada.

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

Like most current ransomware operations, Silent 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.

Silent victims 6

Organization Disclosed
Wisconsin Judicare
USUnited States
Cocoon
USUnited States
Advanced Simulation Technology inc. (ASTi)
USUnited States
Fleet Canada
CACanada
ESP Associates
USUnited States
Versa Networks
USUnited States

Frequently asked questions

What is Silent ransomware?

Silent is a ransomware threat group that has claimed 6 victims since its first known activity in April 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 Silent attacked?

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

Which countries does Silent target?

Silent has attacked organizations in 2 countries. The top targeted countries are: United States, Canada.

Which industries does Silent target?

Silent most frequently targets the Technology, Public Sector, Manufacturing sectors based on victim disclosures in our database.

Is Silent still active?

Silent's most recent victim disclosure in our database was on June 21, 2025. Ransomware groups frequently rebrand or go dormant; monitor this page and our ransomware map for the latest activity.