Threats
November 6, 2025
PhishFirewall Team

How to Prevent Ransomware: A Guide for Employees

Ransomware locks your files and demands payment. Learn how most ransomware starts (hint: phishing) and how to prevent it.

Ransomware encrypts your organization's files, holding them hostage. It's not just about locking data—it's about stealing it (Double Extortion).

The Trojan Horse

90% of ransomware doesn't hack in—it logs in. It usually arrives via a Phishing email with a malicious attachment or link.

3 Critical Prevention Habits

Never Enable Macros: If a Word doc asks to 'Enable Content', click NO.
Patch Software: Updates fix the holes attackers crawl through.
Verify Attachments: Did you ask for an invoice? If not, verify before opening.

The 'Double Extortion' Tactics

Modern attackers don't just lock your data; they steal it first. They threaten to leak customer records if you don't pay. Backups alone won't save your reputation.

Key Takeaway
"If infected: Disconnect Immediately. Pull the ethernet cable or turn off Wi-Fi. Speed prevents the spread to the rest of the network."

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