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A quick check for files or software you have just downloaded.
What it does
Helps you decide what to do after downloading a suspicious file, installer, or unexpected attachment.
Why it matters
Opening an unsafe file can expose a device or account. Pausing before opening it gives you a chance to verify the source and limit further risk.
Answer the questions below. The result is a practical warning signal, not a guarantee that something is safe.
Use this after downloading a file, installer, attachment, or other software that you are not completely sure about. Do not open the file just to complete this check.
Were you expecting this file or download?
Did it come from a source you independently trust?
Have you already opened or run the file?
Did you install software or give it permission to run?
Have you noticed unusual behaviour since the download?
Practical Cyber Conduct guidance connected to this tool.
I Downloaded a Suspicious File
What to do after downloading a file that may be malicious or unsafe.
I Clicked a Link and Downloaded Something
If you clicked a suspicious link and downloaded a file, take steps to limit further risk before opening or running it.
My Child Clicked a Suspicious Link
What to do when a child clicks a suspicious link.