Ransomware needs a way in. Stolen credentials are the cheapest one.

Thompson Dorfman Sweatman LLP Ransomware Attack

tdslaw.com

obscuraGroup

CanadaCountry

Oct 30, 2025Discovered

Data has been published on the ransomware group's leak site.

Overview

View group profile

Domain

tdslaw.com

Industry

Professional Services

Country

Canada

Discovered

11 months ago

Attack date

Oct 30, 2025

Confidence

100%

Severity

Critical

Status

Data Leaked

Threat group

obscura

Total victims

First seen

Sep 2025

Last seen

Jan 2026

Group status

active

Sophistication

Impact score

Threat level

2.5/10

Aggressiveness4.8/10

Lethality1.3/10

Criticality1.3/10

Status breakdown

Data Leaked

this victim

26.3%5

Claimed73.7%14

Targeted sectors

Energy & Utilities Government & Defense Healthcare Hospitality Manufacturing Other Professional Services Technology Transportation

Victim's position within group

Industry

Professional Services

Known target sector

Country

Canada

Frequently targeted country

Other victims

View all (19)

Same group · obscura

Group activity

Monthly attacks · obscura

total · avg 3.8/mo