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HighCloud and identityOct 7, 2026

Active Cyber Campaign Targets Fortinet Firewalls and Harvests Over 86,000 Logins

Law enforcement agencies have issued an alert regarding an active credential-harvesting campaign that has gathered tens of thousands of Fortinet network access credentials. Attackers are leveraging reused passwords and older password storage formats to compromise network edge devices. This allows threat actors to gain unauthorized remote entry directly into corporate networks.

Cloud and identity security briefing

Who is affected

Organizations running internet-facing Fortinet FortiGate firewalls and SSL VPN gateways, particularly those using legacy SHA-256 password storage or reused credentials.

How to mitigate it

  1. 1Reset passwords immediately across all Fortinet firewalls, VPN accounts, and administrative portals.
  2. 2Enforce multi-factor authentication on all remote access and administrative interfaces.
  3. 3Upgrade device configurations to eliminate legacy SHA-256 password storage.
  4. 4Review firewall and VPN access logs for unusual login activity or unfamiliar IP addresses.

How Outsource IT solves this

Managed Cybersecurity & Threat Protection provides 24/7 identity protection and monitoring to detect and intercept unauthorized network logins using stolen credentials.

Managed Cybersecurity & Threat Protection

Tags

FortinetVPN SecurityCredential TheftFirewalls

Source advisory: the-hacker-news

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