2026 Greenberg Traurig — unauthorized access to limited client docs; SSNs exposed (Silent Ransom claimed)
Data compromised
Client-related documents including Social Security numbers (Vermont AG notice); firm described a small number of affected clients
Technical writeup
Verified Greenberg Traurig disclosure — Reuters September 10, 2026 and state AG notices (CA reported Sep 9; Vermont Sep 8 noting SSNs for at least 10 Vermont residents). Firm said an unauthorized actor accessed a limited number of documents and posted some material on the dark web; notified a small number of affected clients; stated broader firm systems were not compromised. Silent Ransom Group previously listed the firm (Sep 2); firm has not publicly confirmed that attribution. National census not published (recordsAffected 0). Secondary press has discussed larger unique-SSN tallies from leaked material; those figures are not company-attested. companyConfirmed true.
Root cause
Unauthorized actor accessed a limited number of documents; some material posted to the dark web. Silent Ransom Group claimed responsibility (attribution not confirmed by the firm).
References
- https://www.hendryadrian.com/ransom-greenberg-traurig-sep-2026/
- https://undercodenews.com/two-major-organizations-hit-by-ransomware-as-silent-ransom-group-and-inc-ransom-add-new-victims-video/
- https://www.reuters.com/legal/government/law-firm-greenberg-traurig-says-limited-data-posted-dark-web-as-cyber-attacks-2026-09-10/
- https://breachnews.com/breaches/greenberg-traurig-confirms-data-breach-after-client-files-posted-to-dark-web/
- https://databreaches.net/2026/09/14/silent-ransom-group-hacked-greenberg-traurig-who-notifies-the-126k-affected/