Ransomware needs a way in. Stolen credentials are the cheapest one.
Prefeitura Municipal de Arcos Ransomware Attack
arcos.mg.gov.brRansomed
Overview
View group profileDomain
arcos.mg.gov.br
Industry
Government & Defense
Country
Brazil
Discovered
15 days ago
Attack date
Aug 18, 2026
Confidence
100%
Severity
Medium
Status
Claimed
Threat group
emperadorTotal victims
49
First seen
Aug 2026
Last seen
Aug 2026
Group status
active
Sophistication
0
Impact score
36
Threat level
3.8/10Aggressiveness6.8/10
Lethality1.4/10
Criticality3.3/10
Status breakdown
Data Leaked6.1%3
Negotiating2.0%1
Claimed
this victim
91.8%45Victim's position within group
Industry
Government & Defense
Known target sector
Country
Brazil
Frequently targeted country
Other victims
View all (49)Same group · emperador
Group activity
Monthly attacks · emperador
49
total · avg 49/mo