If you find a USB drive just laying around, apparently lost, see if there is a nearby receptionist, or lost-and-found, that you can turn it in to. If you don't plug it in, you can't get infected. Sometimes attackers will deliberately leave infected USB devices laying around in popular areas in hopes that somebody will find them and plug them into their computer. If you find a USB device that was apparently lost or discarded, be reluctant to plug it into a computer with data you care about. There are a couple of things you can do to avoid this type of infection:įirst and foremost, be very wary of any USB device that you don't own. The malware can be automatically installed when you connect the infected drive to your PC. Many worms spread by infecting removable drives such as USB flash drives or external hard drives. To learn more about controlling how macros run on your device see Enable or disable macros in Office files. It's a scam and there is no service you need to cancel. If one asks you to, just hang up on them. No legitimate company will ever make you open an Office file just to cancel a service. If you select Enable Content the malicious macro will run and infect your system. If you download and open the file Excel will show the warning you see above. When you contact them to protest they tell you that to cancel the service you just need to download an Excel file they provide and fill in some details. Warning: A popular trick by criminals is to tell you that you're about to be charged for a service you never signed up for. If you open an Office file and see a notice like this:ĭo NOT enable that content unless you're certain you know exactly what it does, even if the file appears to come from somebody you trust. Unfortunately, criminals can also use that scripting language to create malicious scripts that install malware or do other bad things. Microsoft Office includes a powerful scripting language that allows developers to create advanced tools to help you be more productive. To learn more, see Ransomware detection and recovering your files. Microsoft OneDrive has built-in protection against Ransomware attacks. To learn more, see Protect yourself from phishing. If it appears to come from an organization you trust or do business with, and you think it might be legitimate, open your web browser and go to the organization's web site from your own saved favorite or from an internet search.ĭon't open an attachment to an email that you weren't expecting, even if it appears to come from somebody you trust. Never click an unexpected link in an email. If you aren't sure who sent you the email-or something doesn't look quite right-don't open it. To reduce the chances of your device being infected: Some malware can hack email accounts and use them to send malicious spam to any contacts they find. However, these emails can also look like they come from a legitimate business or someone you know. Sometimes a malicious email will be easy to spot-it could have bad spelling and grammar, or come from an email address you've never seen before. If you do open the attachment, you'll end up installing malware on your PC. It might say you have to open the attachment to get the items delivered to you, or to get money. This can be an email with a file attached that tells you it is a receipt for a delivery, a tax refund, or an invoice for a ticket. Malware authors often try to trick you into downloading malicious files.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |