Data security is about keeping data safe and affects anyone relying on a computer system. If the data on a computer system is damaged, lost, or stolen, it can lead to disaster.
Key threats to data security
Data may get:
lost or damaged during a system crashWhen an application or operating system no longer responds. Crashes can be caused by software and hardware. - especially one affecting the hard disk driveA device used to store large amounts of data.
corrupted as a result of faulty disks, disk drives, or power failures
lost by accidentally deleting or overwriting files
lost or become corrupted by computer virusA small program written to cause harm to a computer.
hackedIf a computer has been hacked, someone has gained unauthorised access to it. into by unauthorised users and deleted or altered
destroyed by natural disasters, acts of terrorism, or war
deleted or altered by employees wishing to make money or take revenge on their employer