Definition of malware in US English:



  • Software that is intended to damage or disable computers and computer systems.

    • ‘The problem is that many people are impacted by viruses and malware, and thus are quite angry about it.’
    • ‘Whether it's spyware, adware or malware, it is just plain dangerous and costly.’
    • ‘These things will be very restricted in what they do; they'll certainly refuse to run malware, whatever operating system they use.’
    • ‘The malware also tries to download further code from the internet.’
    • ‘Spammers sometimes use this form of malware to commandeer computers and turn them into spam-sending drones.’


1990s: blend of malicious and software.