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high severity June 14, 2023 · 3 min read Unverified claim — what this is

putnam.com Listed by clop Ransomware Group

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

Putnam Investments – ETFs, Mutual Funds, Institutional, and 529

— from Clop’s own leak-site posting. This is the group’s claim, quoted verbatim; it is not GalaxyWarden’s reporting and has not been independently verified.
putnam.com Listed by clop Ransomware Group

On June 14, 2023, Putnam Investments appeared on the leak site operated by the Clop ransomware group. The financial services firm, which manages ETFs, mutual funds, institutional accounts, and 529 college savings plans, confirmed that internal files had been exfiltrated during a ransomware attack. The listing does not specify how many customers or employees were affected, nor does it detail the exact volume or sensitivity of the stolen data.

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Details from the Leak Site

The Clop leak site listing states that Putnam.com suffered a ransomware intrusion and that attackers successfully exfiltrated internal files. No sample documents were published at the time of the initial listing, and the disclosure does not quantify the number of records involved. The notification aligns with the group’s standard practice of naming victims after initial access and data theft but before full publication of stolen material. Public reporting on Clop indicates the group often uses this phase to pressure organizations into payment negotiations.

Why This Matters for You and Your Family

If you or your family hold investments with Putnam, use their 529 plans, or have any financial relationship with the firm, your personal information may have been inside the compromised internal files. Financial records frequently contain Social Security numbers, dates of birth, addresses, account numbers, and tax information. Exposure of such data increases the risk of identity theft, fraudulent loan applications, and tax fraud targeting you or your children. Even when exact record counts remain unknown, the involvement of a major investment manager means thousands of American households could be affected.

Doxxing and Identity-Chain Risks

Stolen internal files often include spreadsheets that link customer names to email addresses, phone numbers, and sometimes employer details. Attackers and subsequent data brokers can combine this information with other breaches to build detailed profiles. These chains frequently surface on underground forums and can lead to targeted phishing, SIM-swapping attempts, or doxxing that exposes your home address and family members’ names. Credential leaks tied to financial portals also cascade into gaming accounts belonging to you or your children, where the same email and password combinations grant access to linked payment methods and personal chats.

Clop’s Known Track Record

Public reporting attributes the emergence of Clop (sometimes stylized as Cl0p) to around 2019 as an evolution of the earlier Maze ransomware operation. The group gained notoriety in 2023 for exploiting vulnerabilities in file-transfer software such as MOVEit, targeting large organizations across sectors including finance, healthcare, and education. Notable prior victims have included British Airways, the BBC, and several major universities. Clop’s typical playbook involves initial access through unpatched remote-access software or phishing, followed by exfiltration of sensitive files before encryption. The group then posts victim names on its dark-web leak site and threatens to release stolen data unless a ransom is paid, often setting short deadlines that create additional pressure on the victim organization.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, with cleanup handled by specialists.
  • Rotate any password you have ever used on putnam.com or related financial portals and enable 2FA through an authenticator app rather than SMS.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure of your data is caught within hours.
  • Cover the household with DoxxScan family coverage that extends to dependents and children’s gaming accounts that often chain back to the same credentials and address.
  • Let remediation specialists handle takedown requests for any exposed personal information appearing on data-broker sites or underground forums.

The incident underscores how even established financial institutions remain targets and how quickly personal financial data can fuel broader identity crimes. Starting proactive defense now limits the window attackers have to exploit leaked information. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion+ breach records and more than 100 platforms, AI-powered identity-chain mapping, hands-on remediation by specialists, and full household coverage that includes children’s gaming accounts vulnerable to credential-based takeovers.

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 June 14, 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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