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high severity January 12, 2024 · 3 min read Unverified claim — what this is

thecsi.com Listed by threeam Ransomware Group

If you are a customer of thecsi.com, here’s what is being claimed, and what it would mean for you.

thecsi.com was listed on Threeam's leak site. Threeam claims to have stolen internal data. This is the group's claim, not a confirmed finding.

thecsi.com Listed by threeam Ransomware Group

On January 12, 2024, Canadian product lifecycle management firm thecsi.com appeared on the leak site operated by the threeam ransomware group. The listing states that internal files were exfiltrated during a ransomware attack on the Scarborough, Ontario-based company, which specializes in Smart City technology, IoT solutions, and maintains a state-of-the-art data storage facility. Anyone whose personal or business information passed through CSI’s systems may now be exposed.

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Reported Details from the Listing

The threeam leak site entry, first observed on January 12, 2024, claims that internal files were exfiltrated following a ransomware deployment. The disclosure does not quantify the number of affected records, list specific data types beyond “internal files,” or provide samples. It also does not state whether customer, employee, or partner information was included. The primary source simply confirms that CSI suffered a ransomware incident resulting in data theft and that the actor has chosen to publish the company’s name on its extortion platform.

Why This Matters for You and Your Family

When a company like CSI that handles product data, IoT infrastructure, and smart-city projects is breached, the information stolen can easily include details that touch ordinary people. Contracts, invoices, employee directories, vendor lists, or project documentation often contain names, addresses, email addresses, phone numbers, and sometimes financial or technical credentials. Once those records leave the victim’s control, they become raw material for identity theft, phishing campaigns, or targeted scams against you or members of your household. Even if you never directly hired CSI, your data may have been shared through a supplier, employer, or municipal smart-city initiative that relied on their services.

The Doxxing and Identity-Chain Risk

Exfiltrated internal files frequently create long identity chains. An email address found in one document can be correlated with usernames on other platforms; a phone number can link to family members; a physical address can expose household relationships. These linkages allow criminals to build detailed profiles that lead to account takeovers, SIM swapping, or full doxxing. Credential leaks of this nature also cascade into gaming accounts belonging to you or your children, where the same reused password or recovery email can hand over an account in minutes. The longer the gap between the breach and your awareness, the more time attackers have to weaponize those connections.

Threeam Ransomware Group Track Record

Public reporting attributes the threeam group with emerging in late 2022 as a ransomware-as-a-service operation that combines double-extortion tactics with data leak sites hosted on the dark web. The actor is known for targeting mid-sized organizations across North America and Europe, with prior victims including manufacturing, technology, and professional-services firms. Their typical playbook involves initial access through phishing or exploited remote-desktop services, followed by lateral movement, data exfiltration, encryption of systems, and then dual demands for ransom and silence. When payment is refused, threeam publishes victim names and, in many cases, proof files on their leak portal to pressure the target or invite secondary buyers. The group’s exact size and leadership remain unclear, but its consistent use of the same leak-site infrastructure indicates an organized and persistent operation.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, with cleanup of exposed records.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure surfaces in hours rather than months.
  • Rotate any password you ever used at thecsi.com or related CSI systems, then replace it with a unique passphrase and enable 2FA through an authenticator app everywhere that credential was reused.
  • Cover the entire household with DoxxScan family protection, which extends to dependents and children’s gaming accounts that often chain back to the same email or address found in corporate leaks.
  • Let remediation specialists handle ongoing takedown requests across data brokers and extortion sites on your behalf.

The threeam listing of thecsi.com is a reminder that even specialized technology providers can become gateways to personal exposure. Acting quickly on credential hygiene and identity mapping limits how far attackers can travel down the chains created by this and future breaches. DoxxScan by GalaxyWarden delivers that continuous monitoring across 13.1 billion-plus breach records and more than 100 platforms, AI-powered identity-chain mapping, and hands-on remediation by specialists, with household coverage that explicitly includes children’s gaming accounts vulnerable to credential-stuffing attacks.

What the free scan actually returns

Sample resultyou@email.comIllustrative — not a real person

Found on people-search siteswe remove these

These listings are live, public, and legal to remove — and removing them is what we do.

value redacted in this sampleage, relatives, address historySpokeo
value redacted in this samplephone, household, property recordsBeenVerified
value redacted in this sample582 companies checked

Found in breach recordsverifiedreported — unverified

Each record is labeled: confirmed breach data, or an attacker’s claim no one has verified.

verifiedvalue redacted in this samplepassword + phone · 2024telecom breach
unverifiedvalue redacted in this sampleclaimed in ransomware listing · 2026leak-site claim

Leaked data cannot be deleted from the internet — anyone claiming otherwise is lying. Broker listings can be removed. We do the second, and show you exactly what to fix from the first.

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Report details & sourcing

Severity High
Disclosed January 12, 2024
Last reviewed August 8, 2026
Affected Unconfirmed
Unverified claim — what this report is
This page documents a public listing on a ransomware/extortion group’s leak site, tracked via public threat-intelligence sources. A listing is the attacker’s claim. GalaxyWarden aggregates and reports such claims; we have not independently verified that a breach occurred, what data (if any) was taken, or the accuracy of anything the group asserts, and the named organisation has not necessarily confirmed the incident. Sections above describe what the listing shows and the group’s documented history — not verified findings about the named organisation. If you represent this organisation and believe anything here is inaccurate, tell us and we’ll review it promptly.
Editorial & sourcing policy
GalaxyWarden is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data. Breach information is compiled from publicly accessible sources and threat-intelligence platforms, and is reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — see our content & takedown policy or write to support@galaxywarden.com.
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