computer security: Quick Facts

Written and fact-checked by

The Information Architects of Encyclopaedia Britannica

Last updated

Oct. 30, 2026

News •

The 5 Things You Need to Know About the PHP Security Flaw Breaking the Internet • Oct. 23, 2026, 6:52 PM ET (New York Times)

Race to update services' computer systems after cyber-security flaw found • Oct. 22, 2026, 1:12 PM ET (BBC)

A just-revealed security flaw is hitting computer systems around the world • Oct. 21, 2026, 1:57 PM ET (Deseret News)

Facts

Also Known As	cybersecurity • cyber security

Photos and Videos

A woman wearing a yellow mask looks at a computer screen displaying the NSO Group website for Pegasus spyware, with text reading cyber intelligence for global security and stability.

This video demonstrates how blockchain tech works.

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Topics

password VPN computer security and protection system lock fire prevention and control Fence

Key People

Robert Herjavec seated at a panel table with water bottles, smiling slightly against a dark stage background with red lights.

Robert Herjavec

Croatian-Canadian entrepreneur