Backdoor:PHP/Webshell.O virus detected in an uploaded image file. Should I be worried? How can I prevent it?

I have a site which allows users to upload images. One uploaded file was recently detected by antivirus software (uploads aren’t scanned, this was a system wide scan after)
Upon upload, I check the file extension, the MIME type and also us… Continue reading Backdoor:PHP/Webshell.O virus detected in an uploaded image file. Should I be worried? How can I prevent it?

Higher CO2 levels mean viruses live longer, infect more

With the rise of COVID-19, the world learnt how being in close quarters with another person or people can increase the risk of infection with the virus. New research led by the University of Bristol in the UK has provided an answer to the question of h… Continue reading Higher CO2 levels mean viruses live longer, infect more