It is the season where we get electronic cards and invitations that sometimes consist of just a link or an attachment. I also get emails from friends that contain just a link or attachment. I never click on any of them, not only at this time of year, but always. This is because malicious people use those as vehicles to send malware. If somebody hacks into the computer of someone you know, they can then send virus-embedded stuff to everyone in their address book. People think it is safe to click the link or open the attachment because it appears to come from someone they know.
A person I know got an electronic invitation from a neighbor for a party but when she clicked the link, it turned out to be fake and instead was a vehicle for a ransomware attack. It shut down her computer and demanded that she pay a ransom in cryptocurrency if she wanted to get the key to unlock her computer. She had a hell of a time trying to fix all the damage that it caused, needing to enlist the help of computer professionals to fix her computer as well as change all her banking, credit card, and other information.
In general, I never open any links or attachments that arrive without an accompanying message by the sender that could not have been generated by a spam bot but instead has some content that tells me definitely that the sender is real. I always look for a message in the text that requires some specialized knowledge that a bot would not know. If it has no message or is just generic like, “Hi, I thought this would interest you”, I ignore it. If I am not sure, I email the sender to confirm that they sent it and also warn them not to click on such links.
This is tedious and does not completely eliminate all threats but I think it is worth the effort.
What surprises me is that even after I warn people of the dangers and tell people not to send me unsupported links and attachments, after some time some of them revert to the practice. It is as if my warning never registered. I suspect that they continue to click on those things. People tend to ignore danger signs until something bad happens to them.


