cyberattack

noun

cy·​ber·​at·​tack ˈsī-bər-ə-ˌtak 

plural cyberattacks

: an attempt to gain illegal access to a computer or computer system for the purpose of causing damage or harm

An undermine-first strategy allows the United States government to intrude into adversaries' systems, exploiting this covert access to gather intelligence and occasionally to deliver a destructive cyberattack.

—Joshua A. Kroll

If your data is valuable enough, there is almost nothing you can do to provide total security against an expert adversary. Simply put, the attacker may be smarter than anyone you have defending the network. Cyberattacks are not only impossible to block, they're often difficult to detect; you may not even know you're under attack in the first place.

—Robert W. Lucky

cyberattacker

ˈsī-bər-ə-ˌta-kər 

noun

plural cyberattackers

Cyberattackers constantly evolve their skills and will always find new ways to attack—it's not a question of "if," but of "when."

—Eileen Dignen

Examples of cyberattack in a Sentence

Recent Examples on the Web

Remove your personal data from people-search sites: Even if hackers don't directly target you through the Secure Boot flaw, many cyberattacks begin by gathering personal information that's easily found online. —Kurt Knutsson, FOXNews.com, 11 July 2025

In the story, a wave of cyberattacks collapses infrastructure, sparks global conflict and pushes civilization to the edge. —Emil Sayegh, Forbes.com, 6 July 2025

In Zero Day, De Niro’s George Mullen is an old-school politician who, acting on sensibilities developed during a much different time in American history, expects the American people to willingly surrender some of their civil liberties while his commission investigates the nationwide cyberattack. —Katie Campione, Deadline, 4 July 2025

Whether a hurricane, a trans-Pacific cable cut, or cyberattack, purpose crystalized. —Anne Chow, Fortune, 2 July 2025

Word History

First Known Use

1996, in the meaning defined above

Rhymes for cyberattack

• ammoniac
• biofeedback
• counterattack
• demoniac
• elegiac
• noncardiac
• paranoiac
• aback
• anzac
• attack
• backpack
• backtrack