Ransomware 2025: Active Groups

Most Active Group

LockBit 4.0 (Evo)

Responsible for 22% of Dec attacks

Average Ransom Paid

$1.85 Million

Up 12% from Q3 2025

📉 Major 2025 Ransomware Incidents

Ransomware tactics have shifted this year toward "Triple Extortion": encrypting data, threatening to leak it, and DDOSing the victim's website simultaneously.

Target Entity	Ransomware Gang	Downtime	Outcome
Global Logistics Hub	Black Basta	9 Days	Supply chain delay
Munich Health System	ALPHV / BlackCat	14 Days	Patient rerouting
Tokyo Smart Grid	Akira	4 Days	Partial blackout
Nordic Finance Group	Play	21 Days	Data leak (4TB)

How they get in: The 2025 Attack Vector

Data shows that 45% of 2025 ransomware entries occurred through unpatched VPN appliances and RDP (Remote Desktop Protocol) exposure. Once inside, groups are now using AI-automated scanning to find your backup servers within minutes.

🛡️ Defensive Checklist for December 2025

Technical Steps

• Enable Immutable Backups.
• Disable RDP on public IPs.
• Apply emergency VPN patches.

Human Steps

• Simulated Phishing tests.
• Mandatory Hardware MFA.
• Review Incident Response.