Keep your system up to date.Enable the regular automatic installation of updates/patches. If you can, use operating systems managed by CERN’s IT department.

Use anti-virus software.The CERN anti-virus solution is even free for your home and private usage.

Do not install untrusted software.Indeed, software from untrusted sources may infect or compromise your computer… or violate copyrights.

Lock your screen with a password.When you leave your o�ce.

Let us help you:visit http://cern.ch/Computer.Security or contact Computer.Security@cern.ch

Any unprotected computer connected to the Internet is likely to be infected within minutes!

Protect your computers

Courtesy of Microsoft.com

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