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

Successful cyberattacks on these small businesses can disrupt or compromise vital supply chains, introducing vulnerabilities across the technology infrastructure. —Nils Puhlmann, Forbes, 17 Mar. 2025

Driving the news: The looming threat of autonomous cyberattacks was a top talking point at the inaugural HumanX conference in Las Vegas this week. —Sam Sabin, Axios, 14 Mar. 2025

Ukraine demonstrated this in February 2022, when the country rallied in the face of Russian military incursions, cyberattacks, propaganda, assassination attempts against Ukrainian leaders, and other threats. —Daniel Byman, Foreign Affairs, 13 Mar. 2025

The agency, part of the Department of Homeland Security, has steadily built a reputation as a nonpartisan source of funding, guidance, and even direct defensive support for cities, businesses, and nonprofits reeling from cyberattacks. —Eric Geller, WIRED, 13 Mar. 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