Adam Stone writes on technology trends from Annapolis, Md., with a focus on government IT, military and first-responder technologies. Firewalls are no longer sufficient; bad actors have demonstrated ...

Did you download a large file? Or do you have a file that you have a suspicion about? The best way to ensure the file comes from a verified source is by measuring its checksum. A checksum is almost ...

I have over a tb each of home videos and photos. I store multiple copies of these on hard drives. I'm switching them to bigger hard drives and I'm being lazy. I just copied one of the old drives to a ...

Third-party programs are widely used on Windows and other operating systems. But how can you tell if a program is safe to install or not? How can you be so sure that the program file you are going to ...