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high severity April 09, 2023 · 4 min read Unverified claim — what this is

Grassi srl Listed by malas Ransomware Group

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

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

Grassi srl Listed by malas Ransomware Group

On April 09, 2023, Italian engineering firm Grassi srl appeared on the leak site of the malas ransomware group, which publicly listed the company as a victim after exfiltrating internal files during a ransomware attack that leveraged a Zimbra vulnerability.

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Primary Disclosure Details

The malas leak site listing, accessible via the ransomware.live mirror at the provided onion address, states that Grassi srl suffered a ransomware incident in which attackers gained initial access through an unpatched Zimbra collaboration suite vulnerability. The posting states that internal files were successfully exfiltrated before encryption occurred. The disclosure does not quantify the number of records affected, nor does it specify the exact types of documents taken or any ransom demand amount. It simply marks the company as a “defaulter,” the group’s term for victims who have not paid the demanded ransom. Public reporting on similar malas postings indicates this label typically precedes the gradual release of stolen data samples or full archives if the victim continues to refuse payment.

Why This Matters for You and Your Family

When a company like Grassi srl that may hold contracts, invoices, employee records, or client information suffers a breach, your personal data can be caught in the net even if you never directly used their services. Internal files exfiltrated often contain spreadsheets with names, addresses, tax identifiers, contact details, and sometimes copies of identity documents. If your employer, vendor, or service provider worked with Grassi srl, your information could now sit on a dark-web leak site. The April 09, 2023 listing means the clock is already running; once samples appear, identity thieves and fraudsters move quickly to weaponize whatever they can find.

Doxxing and Identity-Chain Risks

Exposed internal files frequently create long identity chains. An email address found in one document can be cross-referenced with usernames from other breaches, linking your work identity to personal accounts, family members’ details, and even children’s online profiles. This is exactly how doxxing escalates: a single leaked spreadsheet becomes the seed that connects your home address, phone number, and children’s names across dozens of platforms. Credential leaks of this nature also cascade into gaming account takeovers, where the same reused password that appeared in the Grassi files grants attackers entry to your child’s Roblox, Fortnite, or Steam account, exposing chat logs, payment methods, and further personal information that loops back to the household.

Malas Ransomware Group Track Record

Public reporting attributes the malas ransomware group with emerging in late 2022 as a relatively new double-extortion operator. The group is known for targeting mid-sized European businesses, particularly in manufacturing, engineering, and professional services sectors. Notable prior victims have included construction firms and logistics companies across Italy and neighboring countries. Their typical playbook begins with opportunistic exploitation of known vulnerabilities in internet-facing services such as Zimbra, followed by rapid exfiltration of documents before deploying ransomware. Extortion follows a two-stage model: first demanding payment to prevent file release, then threatening to publish the data on their leak site if the victim does not comply within a short window. The group’s leak site uses the “defaulters” label to pressure remaining victims, often releasing small proof-of-breach samples after several weeks of silence.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real-world identity, then use the cleanup of Warden to break those chains.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure of your data is caught and acted upon in hours rather than months.
  • Rotate any password you ever used at Grassi srl or any connected vendor, replace it with a unique passphrase everywhere it was reused, and secure those accounts with 2FA through an authenticator app rather than SMS.
  • Cover the entire household with DoxxScan family protection that extends to dependents and children’s gaming accounts, preventing credential leaks like this one from turning into takeovers on Roblox, Steam, or Discord.
  • Let remediation specialists handle repeated takedown requests across data brokers and leak sites so you do not have to chase every new posting yourself.

The Grassi srl breach is a reminder that ransomware operators continue to exploit known vulnerabilities in widely used business software, placing ordinary families at risk even when they had no direct relationship with the victim company. Staying ahead requires more than reactive password changes. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion+ breach records and over 100 platforms, AI-powered identity-chain mapping, and hands-on remediation by specialists, with full household coverage that includes children’s gaming accounts vulnerable to credential-stuffing attacks. Start your DoxxScan trial today to close the gaps this incident and others like it have opened.

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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 April 09, 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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