Answers
Gaining entry to a system or its data without the owner's permission, also known as black hat hacking.
Deceiving people into revealing sensitive information by impersonating a person or organisation they already know and trust.
Emails, texts or phone calls that pretend to be from a trusted company to obtain login details.
Software that hides itself deep inside a system and gives an attacker continued, undetected control.
Software that appears genuine or useful but secretly installs a program that gives an attacker access.
Software that encrypts files or locks a device, then demands payment before access is restored.
Altering domain name server records so users are redirected to a fake website that collects their personal details.
Many compromised computers sending requests together to overwhelm a server, so genuine users cannot get a response.
An attacker using one computer to send so much traffic that a server cannot respond to genuine users.
A group of compromised computers controlled remotely by an attacker, often without the owners' knowledge.
Following a member of staff through a secure door without their knowledge, to reach a restricted area.
Software written to cause damage, steal data or carry out other unwanted actions on a device or network.
Intercepting the communication between two devices so the attacker can read or change the data being sent.
A program that attaches itself to a genuine file and spreads when that file is opened or run.
Software that secretly monitors a user's activity, including keystrokes and websites visited, and reports it.
A self-copying program that spreads across a network on its own, without the user opening a file.
Secretly watching someone as they type their password or PIN, from nearby or through binoculars.