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Background for this topic.
Fortinet is a cybersecurity vendor best known for FortiGate, a network firewall platform running FortiOS. FortiGate appliances, virtual machines, and cloud deployments provide traffic filtering, VPN access, intrusion prevention, and network segmentation; related products manage devices, collect security telemetry, or protect endpoints. FortiGuard Labs supplies threat intelligence and detection updates used across parts of this ecosystem.
Fortinet matters to security teams because its devices commonly sit at network boundaries and may expose administrative interfaces or SSL-VPN services to the internet. Vulnerabilities in FortiOS or supporting products can therefore create a path to authentication bypass, unauthorized access, or interception of remote connections when affected configurations are present. Practitioners should track Fortinet advisories, promptly apply firmware and signature updates, restrict management access, use multifactor authentication where supported, and monitor device logs and configuration changes. During an incident, preserve firewall and VPN telemetry and review connected systems rather than treating the appliance as an isolated asset.
Weekly headline count for the current query.
Ongoing Campaign May Be Grabbing Legacy Passwords From Fortinet FortiGate DevicesCybercriminals are selling access to 75,000 Fortinet FortiGate devices with VPN and web management interfaces, and the admin credentials appear to be legitimate and recently harvested as part of a still-live campaign, security experts warned.
A Live Panel Discussion with CyberEdBoard and FortinetSecure Access Service Edge is entering mainstream adoption. Enterprises are shifting from point solutions to platforms. And AI is now at the core of SASE.
Also, Eurail Breach, ChipSoft Hospital Disruptions, W3LL Phishing TakedownThis week, a "Raccoon"-linked actor hit help desks, Eurail exposed 308K users, Fortinet patched critical flaws, Pushpaganda scams, major data leaks hit healthcare and China, ransomware and phishing ops surged, and multiple breaches impacted firms and hospitals.
Vendor Issues Hotfix for Critical Flaw in FortiClient Endpoint Management ServerFortinet's endpoint management security server software is under fire from attackers, who are actively targeting two critical flaws, including a fresh zero-day that facilitates unauthenticated remote code or command execution. The vendor has issued a hotfix and promised a full patch.
Also: Spanish Hacker Granted Russian Asylum, Microsoft Patches Zero-DaysThis week, a CISA warning, Nest footage in Nancy Guthrie case, Signal phishing. Spanish hacker, Russian asylum. Spanish ministry services offline. BYOVD ransomware. The Conduent breach hit Volvo. Microsoft patched zero-days. ZeroDayRAT targeted devices. The SmarterMail breach. Another Fortinet flaw.
Mitigation: SSO Access Restricted After Attackers Compromised Fully Patched DevicesNetwork security giant Fortinet locked out cloud customers from its single sign-on service until they update device firmware with a patch against active attacks exploiting an improper access control zero day. Only Fortinet devices running the latest, patched firmware versions can use Fortinet SSO.
Chinese Attackers Among Those Tied to Attempted Exploits of FortiSIEM AppliancesCritical vulnerabilities in edge devices are continuing to be discovered by security researchers and rapidly targeted by attackers. Lately, this includes a critical vulnerability in Fortinet's FortiSIEM appliances, which Chinese and other hackers began targeting just two days post-patch.
Also: Texas AG Sues Smart TV Manufacturers, Fortinet SSO FlawsThis week, a leadership shakeup at Coupang, attackers exploited critical Fortinet SSO flaws, Pornhub data hacked, Texas Attorney General Ken Paxton sued smart TV makers, auto finance provider 700Credit disclosed a breach affecting millions, A revived pro-Russia ransomware operation stumbled.
Also: Fortinet Flaws, Aisuru Botnet and Dutch Police Seize Bulletproof Host ServersThis week, the root cause of the Cloudflare outage, active exploitation of Fortinet flaws, Logitech disclosed a data breach, Microsoft headed off a record-breaking botnet attack, Dutch police seized bulletproof hosting servers and Princeton University disclosed a data breach after a phishing attack.
Fortinet's Rashish Pandey on Security Leadership, Regulation and IT-OT ConvergenceAI is transforming businesses, but it is also expanding the attack surface and accelerating risk. Rashish Pandey, VP of marketing at Fortinet, explains why CIOs and CISOs must share accountability, unify platforms and prepare for a future defined by regulatory complexity and AI-powered threats.
Fortinet's da Gama on Global Cyber Skill ShortageThe global cybersecurity skills shortage is leaving organizations open to more risk than ever, including increased data breach rates, higher recovery costs and prolonged disruptions. According to Fortinet's latest Global Cybersecurity Skills Gap Report, 86% of organizations experienced some type of breach in 2024 – a number only expected to keep increasing.
Why the Fortinet Earnings Case Is a Cautionary Tale for the Cybersecurity SectorFortinet's stock unexpectedly plunged more than 20% in August. That same month, Gartner named Fortinet an industry leader in its Magic Quadrant for hybrid mesh firewalls. But the thing that sent Fortinet's stock into a nosedive was revenue forecasts that didn't pan out.
Pension Funds Say Fortinet Leaders Misled Market With Overly Rosy Refresh OutlookPublic pension funds filed securities fraud lawsuits claiming Fortinet misled investors by overstating the value and timing of a major firewall refresh cycle. The lawsuits allege the refresh involved outdated products and had limited business impact, contradicting Fortinet's upbeat public messaging.
Cisco Visionary, HPE Juniper Challenger in Inaugural Hybrid Mesh Firewall RankingNetwork security behemoths Palo Alto Networks, Fortinet and Check Point Software topped Gartner's first-ever Magic Quadrant for hybrid mesh firewalls. Gartner said the firewall market is moving toward centralized orchestration, interoperability and AI-powered automation.
Fortinet Report Says OT Defenses Are Maturing, Aided by AI ToolsFortinet’s 2025 OT cybersecurity report reveals a shift in risk ownership to the CISO’s office, with increasing maturity, AI-driven defense and rising regulatory pressure shaping how organizations defend operational technology environments.
Deal Aims to Target Identity and AI Risks, SaaS Blind Spots With Unified SecurityBy acquiring Suridata, Fortinet plans to introduce SaaS Security Posture Management to its SASE platform. The update provides end-to-end visibility into SaaS apps, identity threats and AI plugin misuse, making SSPM a vital control plane in cloud-first security strategies.
Fortinet Uncovers Long-Term Cyberespionage in RegionAn Iranian state-sponsored threat group conducted a years-long cyberespionage campaign targeting a Middle East critical infrastructure provider, with its operational technology network a key target. The attackers focused reconnaissance activity and credential theft on the OT network.
Symbolic Links Planted by Attackers Survived Patching, Provide Read-Only AccessAttackers have been using a new type of post-exploitation technique to maintain remote access to hacked Fortinet FortiGuard devices - even if they had the latest patches - by dropping symbolic links in the device's filesystem designed to survive the patching process, the vendor has warned.
SVP Nirav Shah on the Power of Fortinet's AI Platform CapabilitiesAfter more than a decade of AI/ML development, Fortinet announced an expansion of FortiAI across the company's Security Fabric Platform. Fortinet SVP Nirav Shah explains the significance of this move and the payoff to Fortinet customers looking for mature AI use cases and platform capabilities.
11 Cyber Stocks Fared Worse Than the Nasdaq Thursday After Trump Announced TariffsCybersecurity vendors took Thursday's sell-off hard, with Cloudflare, Fortinet and SailPoint experiencing big stock price drops after President Trump announced higher-than-expected tariffs. Eleven publicly traded cybersecurity firms fared worse than the Nasdaq while 12 companies fared better.