Definition of hacker
1 : one that hacks
2 : a person who is inexperienced or unskilled at a particular activity a tennis hacker
3 : an expert at programming and solving problems with a computer
4 : a person who illegally gains access to and sometimes tampers with information in a computer system
Examples of hacker in a Sentence
My friends and I have been playing golf for years, but we're still just a bunch of hackers.
the company's security experts spent days trying to figure out how a hacker could have gotten past the firewall
Recent Examples of hacker from the Web
Researchers at cybersecurity giant Kaspersky Labs, which also participated in Operation Blockbuster, analyzed timestamps on accounts suspected of being linked to Lazarus to create a profile of its hackers.
Emails and text messages are vulnerable to interception and can open the door to hackers.
Storing home-security videos in remote data centers also raises security concerns about the imagery being stolen by computer hackers.
Over the Memorial Day weekend, Chipotle acknowledged that most of its stores had been hit by hackers using malicious software.
Officials quickly deleted the comments, blamed them on hackers and appealed for calm.
Chipotle said hackers used malware to access data from payment cards on the company's point of sale systems at certain restaurants from March 24 to April 18.
The second remarkable thing that happened that day was the publication by The Wall Street Journal of a report detailing direct contacts between a Republican political operative and Russian hackers.
Agents from the Federal Bureau of Investigation’s New York office have been investigating an attempt by international hackers to break into computers at the Trump Organization, according to three people with knowledge of the matter.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hacker'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of hacker
HACKER Defined for English Language Learners
Definition of hacker for English Language Learners
computers : a person who secretly gets access to a computer system in order to get information, cause damage, etc. : a person who hacks into a computer system
: a person who plays a sport badly
HACKER Defined for Kids
Seen and Heard
What made you want to look up hacker? Please tell us where you read or heard it (including the quote, if possible).