Answers
an update from the software maker that fixes a known weakness in a program or operating system.
the process of turning readable plaintext into ciphertext using an algorithm and a key.
scans files, emails and removable storage devices to detect and remove malicious programs such as worms and trojans.
a copy of data held on separate storage so it can be restored after loss or failure.
requiring two different forms of verification, such as a password and a code, before access is granted.
storing copies of data on internet servers rather than locally, so it survives damage at the site.
a feature that fills in a field from saved details, so others using the device can see them.
files or whole drives are made unreadable so a thief who steals the device cannot read them.
data sent over a network is scrambled so anyone intercepting it cannot understand it, shown by a padlock.
hardware or software that monitors incoming and outgoing traffic and blocks anything suspicious or unauthorised.
hiding characters as they are typed, such as dots instead of a password, so onlookers cannot read them.
the process of putting lost or corrupted files back onto a system from a recent copy.
making a device more secure by reducing the number of features and settings an attacker could exploit.