Cicada3301

Quiet since September 5, 2025
75 victims named on the leak site
0 in the last 30 days
1 in the last 12 months
Jun 2024 first victim we recorded
Sep 5, 2025 most recent victim posted
5 leak sites tracked

Data as of August 16, 2026.

Credential exposure before the attack

52% of Cicada3301 victims whose domain we can identify (39 of 75) had employee credentials leak in the 12 months before Cicada3301 named them as a victim.

We don't know whether any of these credentials were how Cicada3301 gained initial access.

What industries Cicada3301 targets

Sector identified for 36 of 75 victims.

Manufacturing8
Financial Services6
Legal5
Healthcare4
Education2
Energy2
Logistics2
Technology2

Where the victims are located

Country identified for 20 of 75 victims.

Brazil5
France3
United Kingdom3
Switzerland2
Japan1
Mexico1
Czech Republic1
United States1

Most recent Cicada3301 victims

VictimSectorCountryPosted
C&I Engineering cieng.comEnergyUnited StatesSep 5, 2025
B & M Expertise bmexpertise.frFinancial ServicesFranceJul 21, 2025
Burnham Nationwide burnhamnationwide.comConstructionNot identifiedJul 21, 2025
Cartório Dias de Primavera diasdeprimavera.com.brNot identifiedBrazilJul 21, 2025
GAT Logística gatlogistica.com.brHealthcareBrazilJul 21, 2025
Sensical sensical.comManufacturingNot identifiedJul 21, 2025
Сonasa conasa.comFinancial ServicesBrazilJul 15, 2025
Pacific BioLabs pacificbiolabs.comNot identifiedNot identifiedJul 11, 2025
Mack Energy mec.comEnergyMexicoJul 10, 2025
Amazon Transportes amazontransportes.com.brLogisticsBrazilApr 23, 2025
Asesoría Bieito bieito.comFinancial ServicesNot identifiedApr 23, 2025
Natilait natilait.com.tnNot identifiedNot identifiedApr 23, 2025
Prague City Service Administration sshmp.czGovernmentCzech RepublicApr 10, 2025
Eagle Distilleries eagledis.comNot identifiedNot identifiedApr 7, 2025
IATSE 667 iatse667.comNot identifiedNot identifiedMar 26, 2025
MinebeaMitsumi minebeamitsumi.comHealthcareNot identifiedMar 24, 2025
Benjamin Consulting Services bcsmidwest.comNot identifiedNot identifiedFeb 26, 2025
Birdsall Muller birdsall-law.comNot identifiedNot identifiedFeb 25, 2025
Executive Agenda executiveagenda.comNot identifiedNot identifiedFeb 25, 2025
Digital Technology dtc.co.jpNot identifiedJapanFeb 24, 2025

Showing the 20 most recent of 75. Browse recent data breaches for more.

Cicada3301 leak sites

Addresses we've seen Cicada3301 publish victims from. Any .onion address needs the Tor Browser.

  • cicadabv7vicyvgz5khl7v2x5yygcgow7ryy6yppwmxii4eoobdaztqd.onion
  • cicadacnft7gcgnveb7wjm6pjpjcjcsugogmlrat7u7pcel3iwb7bhyd.onion
  • mega.nz
  • cicadafhqpjwm2sblkfbuwn7sglbibuejr3m7fildpqpjv3hghlhb4id.onion
  • 5atqn4dwosjauijzj445mm7t6bqrcvzlzcylpmpnx243jxvlimyb6aid.onion

Cicada3301 questions

Is Cicada3301 still active?

It's gone quiet. The last victim we recorded was September 5, 2025, and nothing has appeared since. Groups do go quiet and come back, so we're still watching.

How many victims has Cicada3301 claimed?

Cicada3301 has named 75 victims on its leak site since we started tracking it. That counts organizations, not leaked files. A single victim often accounts for thousands of published files. 1 of them was posted in the last 12 months.

When did Cicada3301 first appear?

The first victim we recorded for Cicada3301 was posted on June 20, 2024. That's when the group entered our collection, which isn't necessarily when it started operating.

Which sectors does Cicada3301 target?

Manufacturing accounts for the most victims we can classify, with 8. Financial Services follows at 6. We could identify a sector for 36 of 75 victims, so treat this as the shape of the targeting rather than a full census.

Has Cicada3301 already got your credentials?

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