Malware
Computer virus
Virus
Malware that attaches to a file and replicates when that file is run.
Fiche de sensibilisationPrête à diffuser à vos équipes ou clients
MIGHT YOU BE AFFECTED?
Turn knowledge into action.
How does this work?
It generally needs a person to launch the infected file before it alters or infects other files.
REAL-WORLD EXAMPLE
« A booby-trapped document runs a macro that infects accessible files. »
Typical sequence
- 1Receive an infected file
- 2Run the file
- 3Replication and damage
Warning signs
- Changed files
- Antivirus alerts
- Sudden slowdowns or errors
How to protect yourself
- Keep antivirus protection current
- Disable macros by default
- Download from trustworthy sources
If you think you are affected
Stop the affected activity, isolate exposed devices or accounts, preserve evidence, revoke suspicious access and contact the appropriate security professional.
Last updated: 6 September 2026