Ransomware Intelligence / Groups / nightspire
Ransomware group
nightspire
NightSpire is a ransomware group that first emerged in March 2025 and rapidly claimed over 250 victims across retail, manufacturing, healthcare, finance, and education sectors in the US, France, India, Taiwan, and Japan, using aggressive double-extortion with ransom deadlines as short as two days.
- 2claims, 7 days
- 32claims, 30 days
- 50claims, 90 days
- 2026-04-01first seen
- 2026-11-02last seen
These are claims posted by the group on its leak site, counted when we first see them. They are not confirmed incidents, and we never name a victim.
Activity, last 26 weeks
New leak-site claims per week.
Sectors claimed, last 90 days
- Unclassified 14
- Healthcare 6
- K-12 education 4
- Nonprofit 4
- Professional services 4
- Transportation and logistics 4
- Construction 3
- Manufacturing 3
- Retail 3
- Hospitality 2
- Critical infrastructure 1
- Financial services 1
- Government 1
Countries claimed, last 90 days
- United States 15
- Unknown 10
- Colombia 3
- Türkiye 3
- United Arab Emirates 2
- Brazil 2
- United Kingdom 2
- Italy 2
- Taiwan 2
- Argentina 1
- Germany 1
- DZ 1
- Egypt 1
- Spain 1
- Hong Kong 1
Vulnerabilities nightspire exploits
Our sources do not attribute specific vulnerabilities to nightspire .
Newest vulnerabilities used by any ransomware group (CISA KEV)
| Added | CVE | Vendor / product | Vulnerability |
|---|---|---|---|
| 2026-08-18 | CVE-2026-59310 | Broadcom VMware vCenter | Broadcom VMware vCenter Path Traversal Vulnerability |
| 2026-08-05 | CVE-2026-63077 | JetBrains TeamCity | JetBrains TeamCity Deserialization of Untrusted Data Vulnerability |
| 2026-07-29 | CVE-2026-20316 | Cisco Secure Firewall Management Center (FMC) | Cisco Secure Firewall Management Center Use of Hard-coded Password Vulnerability |
| 2026-07-14 | CVE-2026-15410 | SonicWall SMA1000 Appliances | SonicWall SMA1000 Appliances Code Injection Vulnerability |
| 2026-07-14 | CVE-2026-15409 | SonicWall SMA1000 Appliances | SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability |
| 2026-07-01 | CVE-2026-45659 | Microsoft SharePoint Server | Microsoft SharePoint Server Deserialization of Untrusted Data Vulnerability |
| 2026-06-25 | CVE-2026-12569 | PTC Windchill and FlexPLM | PTC Windchill and FlexPLM Improper Input Validation Vulnerability |
| 2026-06-12 | CVE-2026-35273 | Oracle PeopleSoft Enterprise PeopleTools | Oracle PeopleSoft Enterprise PeopleTools Missing Authentication for Critical Function Vulnerability |
Tactics and techniques
MITRE ATT&CK techniques reported for nightspire by Ransomware.live, in attack order.
Remote encryption risk. The techniques reported for nightspire include encrypting data (T1486) and spreading over SMB / Windows admin shares (T1021.002): the building blocks of remote encryption, where files on protected servers are encrypted over the network from a device the attacker controls.
- Resource Development
- Initial Access
- Execution
- Persistence
- Privilege Escalation
- Defense Evasion
- Credential Access
- Discovery
- Lateral Movement
- Collection
- Command and Control
- Exfiltration
- Impact
Track nightspire in the weekly brief
One email a week: which groups are active in your sector, what they are exploiting, and what to patch. Drafted from the data on this site and read by a human before it goes out. No sales follow-up.
Data sources: CISA KEV, Ransomchats, RansomLook, Ransomware.live, security news outlets · updated 12 hours ago
Sector, country and ransom-demand figures are SecuritySnares estimates made with a language model. Leak-site listings are claims by threat actors and are not independently verified; leak-site victims are never named unless they have disclosed the incident themselves. News headlines are the publishers' own reporting, shown as written and linked to the original. Methodology