1
Published signals
currently linked to this company
Company intelligence
Seagen cybersecurity incidents and threat signals
seagen.com
This company page brings together public reporting currently associated with Seagen. It reflects signals published by Shadow Tier and should not be read as a complete incident history.
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0
Last 28 days
recent published signals
0
Last 90 days
recent published signals
1
High or critical
confidence classifications
July 1, 2026
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most recent published signal
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Based on all published signals currently linked to Seagen. Affected countries come from victim data; the company country above remains a separate profile fact. Counts describe this reporting set, not overall incident prevalence.
Attack patterns
Company signals
All published signals involving Seagen
Seattle Genetics (Presumed) Claimed by Clop Ransomware Group
The Clop ransomware group claimed to have breached 'seatt#####', presumed to be Seattle Genetics (seagen.com), on December 24, 2024. The group's announcement indicated they had data from many companies using 'cleo' and were reaching out to the victim company.
FAQ
Questions about Seagen cybersecurity reporting
What does the Seagen page include?
It combines a reviewed organization profile with all current published Shadow Tier signals explicitly linked to Seagen.
Does every mention of Seagen appear here?
No. A signal must contain a reliable company connection and meet the publication criteria; incidental or ambiguous mentions are excluded.
Why can the incident count change?
The page follows current published reporting. Counts change as new evidence is added, classifications are reviewed, or older signals leave the reporting window.