Updated – July 19, 2024 04:30 pm IST

Published – July 19, 2024 04:00 pm IST – Paris

Travelers wait in Terminal 1 for check-in at Hamburg Airport, in Hamburg, Germany, Friday July 19, 2024. A widespread Microsoft outage disrupted flights, banks, media outlets and companies around the world on Friday.
| Photo Credit: AP

Shares in the cybersecurity group CrowdStrike were down some 20% in pre-market trading on Wall Street on July 19 amid suggestions it was involved in a massive IT outage hitting companies and airports worldwide.

Microsoft Crowdstrike Outage LIVE

According to Oleg Gorokhovsky, founder of the Ukrainian online bank Monobank, the outage resulted from “an interaction between the CrowdStrike antivirus” software and the Windows operating system of U.S. tech giant Microsoft, whose shares were down around three percent in pre-market trading.