Disclosure context

About shinyhunters

Based on the limited publicly available information, shinyhunters appears to be a recently emerged ransomware group first observed in October 2025, primarily motivated by financial gain through extortion activities targeting organizations across multiple sectors. The group's origin and potential affiliations remain unclear due to their recent emergence, and there is insufficient public documentation to determine whether they operate as a Ransomware-as-a-Service model or as an independent entity. Their attack methodology and specific technical capabilities have not been extensively documented by major threat intelligence firms, though their targeting pattern suggests a broad opportunistic approach rather than sector-specific specialization. The group has reportedly victimized approximately 77 organizations, with primary targeting focused on the United States, France, Japan, Germany, and Australia, showing particular interest in consumer services, technology, financial services, transportation and logistics, and education sectors. Given the group's very recent emergence in late 2025, there are no widely reported major campaigns or high-profile incidents documented by established security research organizations, and no known law enforcement actions have been publicly reported against this group. The current operational status of shinyhunters remains active based on available reporting, though comprehensive threat intelligence profiles from major security firms like Mandiant, CrowdStrike, or government agencies have not yet been published due to the group's recent appearance in the threat landscape. The group has been linked to 108 public disclosures across our corpus. First observed on a leak site on October 3, 2025; most recent post May 12, 2026. The operation is currently active.

Timeline of this disclosure

April 1, 2026Cisco Systems, Inc. (cisco.com) listed by shinyhunterson the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Technology sector, which has 2,524 disclosures indexed across all operators we track. Geographically, Cisco Systems, Inc. (cisco.com) is reported in US, a country with 2,713 ransomware disclosures in our corpus.

How we know this. Darkfield monitors public ransomware leak sites continuously, archiving every new disclosure and the data later released against the victim. Each entry on this page is sourced from the operator's own publication and cross-checked against complementary OSINT feeds (RansomLook, ransomware.live, RansomWatch). We do not collect or host stolen data — only the metadata, timestamps and screenshots needed to make the public disclosure searchable and accountable. Records here are corrected when the original post is edited, retracted, or merged with another disclosure.

Ransomware victim disclosure

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Cisco Systems, Inc. (cisco.com)

Claimed by shinyhunters · listed 2 months ago

49d

Age

since listed · data leaked

Status timeline

Listed
Apr 1, 2026
Data leaked

At a glance

Group: shinyhunters
Status: Data leaked
Country: US
Sector: Technology
Listed on leak site: Apr 1, 2026

About the victim

AI dossier — public-source company profile

Cisco Systems, Inc. is a global technology leader headquartered in San Jose, California, specializing in networking hardware, cybersecurity solutions, cloud infrastructure, and AI-driven enterprise software. The company serves over one million customers worldwide, including 99% of the Fortune 500, and reports annual revenues exceeding $50 billion. Cisco's product portfolio spans switches, routers, firewalls, collaboration tools, and observability platforms.

Industry: Networking, Cybersecurity & IT Infrastructure
Address: 170 West Tasman Drive, San Jose, CA 95134, USA
Employees: 80000
Founded: 1984

Attack summary

Severity: critical — The threat actor claims exfiltration of over 3 million PII-bearing Salesforce records alongside source code repositories and cloud storage data from one of the world's largest technology companies; the scale, sensitivity, and confirmed exfiltration (data_published status) of regulated personal data across multiple breach vectors meets the critical threshold.

ShinyHunters claims to have conducted three separate breaches (UNC6040, Salesforce Aura, and AWS accounts), allegedly exfiltrating over 3 million Salesforce records containing PII, internal GitHub repositories, AWS S3 bucket contents, and other corporate data, threatening to publish all data if Cisco does not respond by 3 April 2026.

critical

Data the group says was taken

AI dossier — extracted from the leak post

Salesforce customer/user PII records (3M+)
GitHub source code repositories
AWS S3 bucket contents
Internal corporate data

What the group claims

3 breaches ( UNC6040 , Salesforce Aura, and AWS accounts). Total over 3M Salesforce records containing PII, Github repositories, AWS buckets and other internal corporate data have been compromised. This is a final warning to reach out by 3 Apr 2026 before we leak along with several annoying (digital) problems that'll come your way. Make the right decision, don't be the next headline. | Updated: 31 Mar 2026 | Warning: FINAL WARNING

Sources

Victim sitecisco.com

Source

Indexed 2 months ago

This page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.