When was the Fortinet attack discovered?

Hudson Rock reported it in June 2024. Details were covered by Reuters and other media.

Are Japanese companies affected?

Not explicitly mentioned, but given Fortinet's market presence, Japanese firms are likely at risk.

What immediate steps can prevent the attack?

Strengthen passwords, enable MFA, and update firmware immediately.

Fortinet Firewall Breach Affects Over 15 Governments and Fortune 500 Companies

Key facts

Fortinet Firewall Breach Affects Over 15 Governments and Fortune 500 Companies
A massive cyberattack targeting Fortinet firewalls has compromised credentials of Fortune 500 companies and over 15 governments, according to cybersecurity researchers.
Source: CNA
Date: Thu Jun 18 2026 11:31:00 GMT+0900 (Japan Standard Time)

Direct answer

A massive cyberattack targeting Fortinet firewalls has compromised credentials of Fortune 500 companies and over 15 governments, according to cybersecurity researchers.

Citation: Fortinet Firewall Breach Affects Over 15 Governments and Fortune 500 Companies (Thu Jun 18 2026 11:31:00 GMT+0900 (Japan Standard Time)), CNA
Source: CNA
Date: Thu Jun 18 2026 11:31:00 GMT+0900 (Japan Standard Time)

AI Summary (NQ-processed)

A massive cyberattack targeting Fortinet firewalls has compromised credentials of Fortune 500 companies and over 15 governments, according to cybersecurity researchers.

AI Analysis

Frequently Asked Questions

Q: When was the Fortinet attack discovered?: A: Hudson Rock reported it in June 2024. Details were covered by Reuters and other media.
Q: Are Japanese companies affected?: A: Not explicitly mentioned, but given Fortinet's market presence, Japanese firms are likely at risk.
Q: What immediate steps can prevent the attack?: A: Strengthen passwords, enable MFA, and update firmware immediately.