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high severity June 03, 2023 · 3 min read Unverified claim — what this is

Tension Corporation Listed by alphv Ransomware Group

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

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

Tension Corporation Listed by alphv Ransomware Group

On June 03, 2023, Tension Corporation appeared on the leak site of the alphv ransomware group after the company offered only $55,000 to prevent the release of more than 200 GB of exfiltrated internal files containing employee personal data.

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Details from the Leak Listing

The alphv leak site entry states that Tension Corporation, a privately held Kansas City, Missouri manufacturer of envelopes, printed products, and packaging automation solutions, suffered a ransomware attack in which attackers exfiltrated internal files. The disclosure indicates the data volume exceeded 200 GB and included employee personal data. After extended negotiations, company management offered $55,000 to keep the material private, an amount the threat actors rejected. The listing does not specify the exact categories or number of employee records involved, nor does it publish samples of the stolen data.

Why This Matters for You and Your Family

When a company like Tension Corporation loses control of employee records, the people whose information was stored in those files face immediate and lasting exposure. Employee personal data taken in ransomware incidents often includes names, addresses, dates of birth, Social Security numbers, and payroll or tax details. Any one of those pieces can be used to open accounts in your name, file fraudulent tax returns, or impersonate you with banks and insurers. Because Tension serves clients in financial services, insurance, and direct marketing, the stolen files may also contain information that links employees to customer records, widening the circle of potential victims to include families who never worked there.

Doxxing and Identity-Chain Risks

Exfiltrated internal files rarely stop at a single data point. A leaked email address or phone number quickly connects to usernames on social media, gaming platforms, and shopping sites. Attackers and opportunistic criminals then follow those links to build a complete identity chain. Once they control one account, they reset others, request password changes, or sell the bundle on dark-web forums. Children’s gaming accounts are especially vulnerable in these chains because parents often reuse credentials or recovery email addresses across work and family logins. The result is not just identity theft but sustained harassment, account takeovers, and doxxing that can last for years.

Alphv’s Known Track Record

Public reporting attributes the alphv group, also known as BlackCat, with emerging in late 2021. The gang has since claimed responsibility for attacks on dozens of organizations across healthcare, manufacturing, and professional services. Their typical playbook begins with initial access gained through compromised credentials or remote desktop exploits, followed by rapid lateral movement, data exfiltration, and deployment of custom ransomware. After encryption, they pressure victims with a dual-extortion model: threats to publish stolen data on their leak site if ransom is not paid. Alphv has repeatedly shown willingness to release samples and full datasets when negotiations stall, exactly as occurred with Tension Corporation.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, with cleanup handled by GalaxyWarden specialists.
  • Rotate the password you used for any Tension Corporation-related account or email wherever it has been reused, and switch on 2FA through an authenticator app rather than text messages.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure surfaces in hours instead of months.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts often chained to the same addresses and recovery details.
  • Let remediation specialists manage takedown requests for any exposed personal records appearing on data-broker or extortion sites.

The Tension Corporation listing is a reminder that ransomware groups treat employee data as leverage and rarely delete it even after partial payments. Protecting yourself requires more than changing one password. Start your DoxxScan trial today for continuous monitoring across 13.1B+ breach records and 100+ platforms, AI-powered identity-chain mapping, hands-on remediation by specialists, and household coverage that includes your family’s and children’s gaming accounts. GalaxyWarden’s approach turns breach notifications into concrete defense instead of lingering worry.

What the free scan actually returns

Sample resultyou@email.comIllustrative — not a real person

Found on people-search siteswe remove these

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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 June 03, 2023
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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