Worms, Software that copies itself to infect your device. It can spread copies to other devices, and does not need a host to cause damage. , spyware, This software installs itself on your device and can steal your passwords, email addresses and personal information. , Ransomware, This software takes control of your computer and wont release your data until money s paid to get it back. Often the data is never recovered. , Viruses, A bad code or program that attaches itself to a host to harm your device. Your device can get infected through dangerous downloads, links, or attachments., Trojan horse, This program appears to be helpful, but once it's downloaded it attacks your device .The name comes from a Greek story. , Adware, This software uses false advertisements online to infect your computer and steal your information., Hacking, Gaining unauthorised access to a computer system, Password, The secret phrase you use to access a restricted system, Encryption, Turning readable plaintext into something unreadable , Cipher, The key or rules for encrypting data.

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