Cobian Backup open source
from TinyApps
For basic backups, it's much like Mozy and Carbonite. It's easy to set up, and it runs in the background, sending your new and changed files to its secure servers. But Titanize also will back up your files to local storage like an external hard disk or a drive on your home LAN. This makes it a very good solution if you're looking to set up layered backup, using local drives for convenience and speed and off-site backup for disaster protection.
"Often they set up 'back doors' - undetected entrances into the computer that they control - so they can create "botnets," for profit or disreputable purposes." A botnet is a collection of compromised computers that are controlled by autonomous software robots answering to a hacker who manipulates the computers remotely. Botnets can act to perpetrate fraud or identity theft, disrupt other networks, and damage computer files, among other things.Poor usernames and passwords give attackers more chance of success. They discovered the vast majority of attacks came from relatively unsophisticated hackers using "dictionary scripts," a type of software that runs through lists of common usernames and passwords attempting to break into a computer.
Use more difficult and less obvious passwords with combinations of upper and lowercase letters and numbers that are not open to brute-force dictionary attacks.story at Phyorg