L3HARRIS
kyber listed this organization on its leak site on Jul 30, 2026.
- Listing date
- Jul 30, 2026
- Attack date
- Mar 18, 2026
Listing text
L3Harris is a global aerospace and defense technology innovator that provides mission-critical solutions for government, defense, and commercial sectors.
About the group
kyber posted its first listing on Jul 30, 2026 and has listed 1 organizations to date.
Kyber is a recently identified ransomware group using sophisticated hybrid encryption (AES-256-CTR with X25519 and Kyber1024), operating Tor-based communication channels and employing double-extortion with free partial decryption offered to build negotiation trust, discovered through underground forum monitoring in 2025.
Learning center
What does this listing mean?
Ransomware groups move data out of the organization before encrypting systems and threaten to publish it if the ransom is not paid. This method is called double extortion.
The listing shows that the group claims to have targeted the organization. Whether the data was published is shown by the later status of the listing.
What should you do if your organization is listed on a leak site?
- Record the listing and any published sample files; do not visit the leak site from the corporate network.
- Isolate affected systems and preserve logs without deleting them.
- Determine which data left the organization; if personal data is involved, review notification obligations with your legal team.
- Make any decision about the ransom demand together with legal, management and incident response.
- Do not bring systems back online before the attacker’s entry point is closed.
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