Fortinet FortiBleed Credential Exposure
A significant security incident, dubbed 'FortiBleed,' led to the exposure of tens of thousands of Fortinet firewall and VPN credentials. SOCRadar detected 30,000 compromised Fortinet firewalls, prompting the U.S. Cybersecurity and Infrastructure Security Agency (CISA) to issue an alert urging organizations to harden their Fortinet devices against brute-force and credential-stuffing activities.
Fortinet
- Domain
- fortinet.com
- Sector
- Professional, Scientific, and Technical Services
- Signals
- 1 linked
Signal context
First seen: Jun 22, 2026
Last updated: Jun 29, 2026
Status: Public signal
Key points
- Approximately 74,000 Fortinet firewall credentials exposed.
- 30,000 Fortinet firewalls detected as compromised by SOCRadar.
- CISA issued an alert on June 18, 2026, advising hardening measures.
Signal analysis
BetaThis analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.
Sector: Professional, Scientific, and Technical Services
Likely country: 🇺🇸 United States, 🇨🇭 Switzerland
inferred from source domains
Watch internet-facing systems, credential abuse and exploit activity.
- Source type: outside the affected organization
Impact area: Confidentiality
Likely asset: User or customer data
- 2 signals in the same sector
- 88 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
https://www.cisa.gov/news-events/alerts/2026/06/18/cisa-urges-hardening-fortinet-devices-after-reports-credential-exposurehttps://www.cisa.gov/news-events/alerts/2026/06/18/cisa-urges-hardening-fortinet-devices-after-reports-credential-exposurePublic source from cisa.gov.
https://arcticwolf.com/resources/security-bulletins/active-fortibleed-campaign-impacting-fortinet-devices-across-194-countries/https://arcticwolf.com/resources/security-bulletins/active-fortibleed-campaign-impacting-fortinet-devices-across-194-countries/Public source from arcticwolf.com.
https://www.hudsonrock.com/blog/fortibleed-75000-fortinet-firewalls-compromised-global-enterprises-exposed-claim-your-ethical-disclosurehttps://www.hudsonrock.com/blog/fortibleed-75000-fortinet-firewalls-compromised-global-enterprises-exposed-claim-your-ethical-disclosurePublic source from hudsonrock.com.
https://www.csoonline.com/article/2142272/fortibleed-campaign-exposes-75000-fortinet-firewalls-worldwide.htmlhttps://www.csoonline.com/article/2142272/fortibleed-campaign-exposes-75000-fortinet-firewalls-worldwide.htmlPublic source from csoonline.com.
https://www.bleepingcomputer.com/news/security/cisa-warns-fortinet-users-to-secure-devices-after-fortibleed-leak/https://www.bleepingcomputer.com/news/security/cisa-warns-fortinet-users-to-secure-devices-after-fortibleed-leak/Public source from bleepingcomputer.com.
https://www.bankinfosecurity.com/crime-gang-sells-access-to-74000-fortinet-firewall-devices-a-25087https://www.bankinfosecurity.com/crime-gang-sells-access-to-74000-fortinet-firewall-devices-a-25087Public source from bankinfosecurity.com.
https://www.thehackernews.com/2026/06/attackers-exploit-three-fortinet.htmlhttps://www.thehackernews.com/2026/06/attackers-exploit-three-fortinet.htmlPublic source from thehackernews.com.
FortiBleed Campaign Exposing Credentials for 73,932 FortiGate Systems - Recorded Futurehttps://www.recordedfuture.com/blog/critical-fortibleed-campaignPublic source from recordedfuture.com.
Technical Advisory: FortiBleed Credential Exposure Campaign Targeting Internet-Facing Fortinet Devices - Bitdefenderhttps://www.bitdefender.com/en-us/blog/businessinsights/technical-advisory-fortibleed-credential-exposure-campaign-targeting-internet-facing-fortinet-devicesPublic source from bitdefender.com.
Cybersecurity News Roundup: Mid-April to Mid-June 2026 - Peterson Technology Partnershttps://www.ptechpartners.com/2026/06/25/cybersecurity-news-roundup-mid-april-to-mid-june-2026/Public source from ptechpartners.com.
FortiBleed Security Alert: Fortinet VPN Credentials Exposed - Bitsighthttps://www.bitsight.com/blog/security-alert-fortibleed-fortinet-vpn-credentials-firewall-exposedPublic source from bitsight.com.
Fuites de données : les 15 incidents majeurs au 25 juin 2026 - DCOD | Cybersécuritéhttps://dcod.ch/2026/06/25/fuites-de-donnees-les-15-incidents-majeurs-au-25-juin-2026/Public source from dcod.ch.
Analysis of Reported Credential Compromise of FortiGate Devices | Fortinet Bloghttps://www.fortinet.com/blog/psirt-blogs/analysis-of-reported-credential-compromise-of-fortigate-devicesPublic source from fortinet.com.
Cybersecurity News Roundup: Mid-April to Mid-June 2026 - Peterson Technology Partnershttps://www.petersontech.com/blog/cybersecurity-news-roundup-mid-april-to-mid-june-2026/Public source from petersontech.com.
Cybersecurity Threats Weekly · Report · June 22, 2026https://originbrief.com/cybersecurity-threats-weekly-report-june-22-2026/Public source from originbrief.com.
NEWS ROUNDUP - 22nd June 2026https://digitalforensicsmagazine.com/news-roundup-22nd-june-2026/Public source from digitalforensicsmagazine.com.
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