Search threats, CVEs… ⌘K
← Back to all threat actors

abyss

Abyss (also known as Abyss Locker) is a ransomware operation first identified in March 2023, derived from the Babuk source code, that targets Windows and Linux/VMware ESXi systems using double-extortion tactics across healthcare, manufacturing, finance, and technology sectors — predominantly in North America.

How we source and review actor profiles
Motivation
ransomware
First seen
2026-05-14
Last seen
2026-08-26
Sectors
professional-services, technology, healthcare, manufacturing, agriculture-and-food-production, financial-services, transportation, retail-e-commerce, hospitality, energy-utilities, other, business-services
Status
Active

Activity timeline

A dated ledger of actor-claimed victims, campaigns, indicators, identity mappings, relationships, and CVE links. Each date states what it measures. For extensive leak-site histories, victim entries are limited to the 100 most recent distinct listings.

First listed
Victim claimMEMSIC listed by abyss

Actor-claimed victim evidence. This listing is not independent confirmation of compromise.

Actor Claimed
Last observed
Indicator1 indicator cataloged

Types: onion.

First listed
Victim claimlandkreis-limburg-weilburg.de listed by abyss

Actor-claimed victim evidence. This listing is not independent confirmation of compromise.

Actor Claimed
First listed
Victim claimSchool Facility Consultants listed by abyss

Actor-claimed victim evidence. This listing is not independent confirmation of compromise.

Actor Claimed
First listed
Victim claimtechnic.com listed by abyss

Actor-claimed victim evidence. This listing is not independent confirmation of compromise.

Actor Claimed
First listed
Victim claimthinlinetech.com listed by abyss

Actor-claimed victim evidence. This listing is not independent confirmation of compromise.

Actor Claimed
First listed
Victim claimsitoy.com listed by abyss

Actor-claimed victim evidence. This listing is not independent confirmation of compromise.

Actor Claimed
First listed
Victim claimdillonyarn.com listed by abyss

Actor-claimed victim evidence. This listing is not independent confirmation of compromise.

Actor Claimed
First listed
Victim claimoptimumdesign.com listed by abyss

Actor-claimed victim evidence. This listing is not independent confirmation of compromise.

Actor Claimed
First listed
Victim claimmoinian.com listed by abyss

Actor-claimed victim evidence. This listing is not independent confirmation of compromise.

Actor Claimed
First listed
Victim claimhptc.org listed by abyss

Actor-claimed victim evidence. This listing is not independent confirmation of compromise.

Actor Claimed
Claimed
Victim claimbrett-robinson.com listed by abyss

Actor-claimed victim evidence. This listing is not independent confirmation of compromise.

Actor Claimed
First listed
Victim claimcrownlaboratories.com listed by abyss

Actor-claimed victim evidence. This listing is not independent confirmation of compromise.

Actor Claimed
First listed
Victim claimentandallergy.com listed by abyss

Actor-claimed victim evidence. This listing is not independent confirmation of compromise.

Actor Claimed
First listed
Victim claimmdm-insurance.com listed by abyss

Actor-claimed victim evidence. This listing is not independent confirmation of compromise.

Actor Claimed
First listed
Victim claimceratec.com listed by abyss

Actor-claimed victim evidence. This listing is not independent confirmation of compromise.

Actor Claimed
First listed
Victim claimhalex.com listed by abyss

Actor-claimed victim evidence. This listing is not independent confirmation of compromise.

Actor Claimed
First listed
Victim claimFour Eye Clinics listed by abyss

Actor-claimed victim evidence. This listing is not independent confirmation of compromise.

Actor Claimed
First listed
Victim claimjpcgroupinc.com listed by abyss

Actor-claimed victim evidence. This listing is not independent confirmation of compromise.

Actor Claimed
First listed
Victim claimenvirosep.com listed by abyss

Actor-claimed victim evidence. This listing is not independent confirmation of compromise.

Actor Claimed
First listed
Victim claimkingpower.com listed by abyss

Actor-claimed victim evidence. This listing is not independent confirmation of compromise.

Actor Claimed
First listed
Victim claimbataviacontainer.com listed by abyss

Actor-claimed victim evidence. This listing is not independent confirmation of compromise.

Actor Claimed
First listed
Victim claimpez.com listed by abyss

Actor-claimed victim evidence. This listing is not independent confirmation of compromise.

Actor Claimed
Claimed
Victim claimberkotfoods.com listed by abyss

Actor-claimed victim evidence. This listing is not independent confirmation of compromise.

Actor Claimed
First listed
Victim claimglts.net listed by abyss

Actor-claimed victim evidence. This listing is not independent confirmation of compromise.

Actor Claimed

The interactive view includes 92 dated events with category filters and paging.

Identity and attribution

Exact names and tracking identifiers resolve to this canonical profile. Rebrands, affiliations, and overlapping clusters remain separate confidence-rated relationships.

Name map

abyssCanonical Name

Loading CVEs, techniques, indicators, malware, victims, and activity...