hacker
US /ˈhæk.ɚ/
UK /ˈhæk.ɚ/
1.
a person who uses computers to gain unauthorized access to data
:
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The company hired a cybersecurity expert to protect against hackers.
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A skilled hacker managed to breach the government's secure network.
2.
an enthusiastic and skillful computer programmer or user
:
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He's a true coding hacker, always finding clever solutions to complex problems.
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The term 'hacker' originally referred to someone who enjoyed exploring and pushing the limits of computer systems.