Malicious Code
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def
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scripts or programs written specifically to cause harm, disruption, or unauthorized access — can be delivered through many different vectors (email attachments, drive-by downloads, compromised software updates, etc.)
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real-world examples
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WannaCry (2017) — ransomware that exploited a Windows SMB vulnerability, infecting over 200,000 computers across 150 countries
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British Airways breach (2018) — a Magecart-style XSS attack skimmed customer payment data directly from the airline's website
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Estonian health database vulnerability — a flaw exposing sensitive patient records
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related