killsec
Ransomware group profile
69Victims
RussiaSource country
70Impact score
Also Known As
KillSecurity
Description
KillSec is a notorious ransomware group that has gained prominence for its aggressive attacks on critical infrastructure across various sectors. Known for employing advanced tactics, including double extortion methods, they encrypt data and threaten to leak sensitive information if ransom demands are not met. Their operations have increasingly targeted industries with less robust cybersecurity defenses, causing widespread disruption and financial damage.
Key insights
- •Targets critical infrastructure, particularly in healthcare and finance sectors.
- •Utilizes advanced obfuscation techniques to avoid detection.
- •Employed double extortion tactics, encrypting data and threatening leaks.
- •Gains access through spearphishing and exploiting software vulnerabilities.
- •Recent campaigns have increasingly used sophisticated ransomware variants.
- •Emerging trend involves leveraging zero-day vulnerabilities for attacks.
Threat Level & Status Breakdown
For killsec · Based on incidents in selected period
2.6threat level
Aggressiveness5/ 10
Lethality0/ 10
Criticality2.9/ 10
Status Breakdown
Claimed53.6%37
First seenAug 2025
Last seenJun 2026
Avg ransom—
Payment rate—
Statusactive
Sophistication0
Last updatedJun 18, 2026
Recent activity
Monthly attack count for killsec in the selected period
69Total attacks
32peak in Sep
6.3avg / month
Intelligence
IOCs, YARA/Sigma rules, and related families for killsec
- 7b3f4d34b8d3518c092d81506df05103
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- 1d5ef46357eb2298b1c3c4faccbaafa729137613
- a5febb4b5ba6572594de87d2a9de6df65d49da755385bf3d3d4d054772ce493c
- 0303f89829763e734b1f9d4f46671e59bfaa1be5d8ec84d35a203efbfcb9bb15
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- c3804d1329b55a37bfa2f835e1e9bbc7bdb2b260f8e3627c06e02c9f52685d44
TTPs & Attack Vectors
Tools, initial access, and MITRE ATT&CK techniques for killsec
Other
T1486
T1486
T1490
T1490
T1566.002
T1566.002
T1059.001
T1059.001
T1047
T1047
T1078
T1078
T1562
T1562
T1021
T1021
T1021.001
T1021.001
T1071.001
T1071.001
Victims(200)
| Company | Domain | Country | Industry | Status | Discovered | |
|---|---|---|---|---|---|---|
| csinsurance.mx | — | MX Mexico | Financial Services | Unknown | 17 days ago | |
| acehospital.in | — | IN India | Healthcare | Unknown | 17 days ago | |
| csinsurance.mx | example.com | MX Mexico | Financial Services | Unknown | 17 days ago | |
| acehospital.in | example.com | IN India | Healthcare | Unknown | 17 days ago | |
| dsdlawfirm.com | — | — | Professional Services | Unknown | about 1 month ago | |
| dsdlawfirm.com | example.com | US United States | Professional Services | Unknown | about 1 month ago | |
| mrs holdings | mrsholdings.com | NG Nigeria | Professional Services | Unknown | about 1 month ago | |
| mrs holdings | — | — | Professional Services | Unknown | about 1 month ago | |
| Medical PAY | — | — | Financial Services | Unknown | about 2 months ago | |
| Medical PAY | medical-pay.jp | JP Japan | Financial Services | Unknown | about 2 months ago | |
| Global Go | — | — | — | Claimed | 2 months ago | |
| Government of the People | — | — | Government & Defense | Claimed | 2 months ago | |
| hospitalvetdiadema24h.com.br | — | BR Brazil | Healthcare | Unknown | 3 months ago | |
| palram.com | — | IL Israel | Manufacturing | Unknown | 3 months ago | |
| hospitalvetdiadema24h.com.br | example.com | BR Brazil | Healthcare | Unknown | 3 months ago | |
| palram.com | example.com | IL Israel | Manufacturing | Unknown | 3 months ago | |
| meena health | example.com | SA Saudi Arabia | Healthcare | Unknown | 3 months ago | |
| NextCapitalTrust | example.com | LK Sri Lanka | Financial Services | Unknown | 3 months ago | |
| shlomo bit | — | — | — | Unknown | 3 months ago | |
| shlomo bit | shlomo-bit.co.il | IL Israel | Financial Services | Unknown | 3 months ago |
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Affected countries(64)
Countries where this group has been reported to target or leak victims.
🇦🇪United Arab Emirates🇦🇷Argentina🇦🇺Australia🇧🇩Bangladesh🇧🇪Belgium🇧🇷Brazil🇧🇼Botswana🇨🇦Canada🇨🇭Switzerland🇨🇱Chile🇨🇳China🇨🇴Colombia🇨🇾Cyprus🇩🇪Germany🇩🇰Denmark🇩🇿Algeria🇪🇬Egypt🇪🇸Spain🇫🇮Finland🇫🇷France🇬🇧United Kingdom🇬🇪GeorgiaGuernsey🇬🇷Greece🇮🇩Indonesia🇮🇪Ireland🇮🇱Israel🇮🇳India🇮🇹Italy🇯🇲Jamaica🇯🇵Japan🇰🇪Kenya🇰🇲ComorosKorea, Republic ofCayman Islands🇱🇾Libya🇲🇦MoroccoMoldova, Republic ofMacao🇲🇽Mexico🇲🇾Malaysia🇳🇬Nigeria🇳🇱Netherlands🇳🇴Norway🇳🇵Nepal🇳🇿New Zealand🇵🇪Peru🇵🇱PolandPuerto Rico🇵🇹Portugal🇷🇴RomaniaRussian Federation🇸🇦Saudi Arabia🇸🇪Sweden🇸🇬Singapore🇹🇭Thailand🇹🇳Tunisia🇹🇷Turkey🇺🇸United StatesVirgin Islands, British🇻🇳Vietnam🇻🇺Vanuatu🇿🇦South Africa🇿🇲Zambia