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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