Personal Windows Ransomware Defense

🛡️ Blocks ransomware before it runs ⚡ CPU <2% · 28MB memory 🪟 Windows 10/11 + Server 2016-2025 🔒 100% offline · No cloud backdoor
🔓 Free 14-Day Trial 💳 30-Day Refund ⬇️ Download Now 💰 Buy License
Ransomware Protection
System Hardening

📋 Top 10 Features

01

Real-time
Ransomware Protection

Stops ransomware before it locks your files. Works silently in the background.

02

File Encryption
Behavior Defense

Prevents mass encryption of your photos and documents. Keeps your files safe.

03

Malicious Process
Interception

Automatically stops suspicious processes from running on your PC in real time.

04

System Runtime
Control

Protects your backups, system settings and clock from ransomware tampering.

05

Lightweight
Performance Mode

CPU <2%, memory ~28MB. Your PC stays fast and responsive while protected.

06

40+ System
Hardening Items

Apply 40+ security rules with Lightweight, Full or Custom levels. One-click apply.

07

One-Click
Hardening Rollback

Undo all system hardening changes with one click. Safe and easy to revert.

08

Privacy First
Zero Cloud

100% offline protection. No cloud, no backdoor, and absolutely no data collection.

09

Trusted Zone
Whitelist Manager

Add your trusted apps to whitelist. No more false alarms on your critical software.

10

Real-Time Attack
Logging & Forensics

See exactly what was blocked. Export detailed logs for security review and auditing.

🏷️ Choose Your License Edition

Single Device · 1-Year

$12.99 /year
  • 1 device · 1 year license
  • Real-time protection + Hardening
  • 1 year free upgrades
  • Hardware fingerprint locked
Buy Now
🔥 Most Popular

Single Device · Lifetime

$29.99 one-time
  • 1 device · lifetime license
  • Real-time protection + Hardening
  • Lifetime free upgrades
  • Hardware fingerprint locked
Buy Now

3 Devices · 1-Year

$24.99 /year
  • 3 devices · 1 year license
  • Real-time protection + Hardening
  • 1 year free upgrades
  • Perfect for families
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3 Devices · Lifetime

$59.99 one-time
  • 3 devices · lifetime license
  • Real-time protection + Hardening
  • Lifetime free upgrades
  • Perfect for families/teams
Buy Now

💬 Frequently Asked Questions

💻 Is the license locked to one machine only?

Single device licenses are bound to a unique hardware ID. 3-device licenses support 3 different devices. Free migration assistance is available upon hardware changes.

🔄 What does "free upgrades" mean?

For 1-year licenses, you get free upgrades during the 1-year license period. For Lifetime licenses, you get free upgrades forever, including all future versions and new protection rules.

⏳ How long is the refund window?

30-day money-back guarantee for all first-time purchases. Contact support@nisse-sec.com within 30 days, and we will process your refund promptly.

🌐 Does the software require an internet connection to run?

No. Core protection works fully offline. The software itself requires no internet connection at all.

🛠 Does system hardening break my daily software?

We provide "Lightweight / Full / Custom" hardening levels. Each item can be toggled individually, and one-click rollback is supported to revert any changes instantly.

⚡ Will this software slow down my computer?

CPU usage below 2%, memory around 28MB. Optional "Lightweight Mode" further reduces I/O scanning. You won't even notice it's running.

📥 Can I try it before buying?

Yes. Download the 14-day fully functional trial. No credit card required. Upgrade to full version by entering a license key at any time during or after the trial.

🔑 How do I get my license key after purchase?

After purchase, you will receive the license key instantly via email. Simply enter it in the software's "About" page to activate the full version.

Contact Us

Have questions about licensing or technical support? We're here to help. We'll respond within 24 hours, Monday - Friday.

🌐 Website: www.nisse-sec.com 📧 Email: support@nisse-sec.com