How to Recognize Ransomware Attacks
Learn early warning signs that may indicate ransomware or a related compromise.
Suspicious Emails
- Phishing emails often serve as the entry point for ransomware.
- Example: An email claims to be from “FedEx,” asking you to download a receipt for a missed delivery.
Unusual File Extensions
- Files on your system have unfamiliar extensions like .locked or .encrypted.
Ransom Notes
- You find a file or message on your desktop demanding payment, often with detailed instructions for cryptocurrency payments.
Key Takeaways
- Unexpected file extensions can indicate encryption.
- Ransom notes and disabled security tools are urgent warning signs.
- Unusual system slowdowns should be investigated quickly.
Practice Exercise
Create a short checklist of signs you would report to IT or act on immediately.