-Be careful to click on harmful links in your emails. -Be wary of visiting unsafe or unreliable sites. -Never click on a link that you do not trust on a web page or access to Facebook or messaging applications such as WatSab and other applications. -If you receive a message from your friend with a link, ask him before opening the link to confirm, (infected machines send random messages with links). -Keep your files backed up regularly and periodically. -Be aware of fraudulent e-mail messages that use names similar to popular services such as PayePal instead of PayPal or use popular service names without commas or excessive characters. -Use anti virus and Always make have the last update. -Make sure your windows have the last update close the gap.