Network Security | Network World

Palo Alto Networks buys Console to boost agentic security

Palo Alto says Console's technology will expand the agentic capabilities of its Cortex security operations platform.

By Michael Cooney

Sep 1, 20262 mins

Artificial IntelligenceNetwork SecuritySecurity

China-linked hackers turn Cisco IOS XR routers into covert attack infrastructure

By Prasanth Aby Thomas

Sep 1, 20265 mins

Enterprise RoutersNetwork SecurityNetworking Devices

Articles

DEF CON research calls IPMI 'sanctioned backdoor' into enterprise networks

Alongside the disclosure, runZero released OOBscan, an open-source tool that scans for vulnerable BMCs and other out-of-band management devices.

By Sean Michael Kerner

Aug 10, 2026 6 mins

Data CenterNetwork SecurityServers

Black Hat: NatJack exploits test NAT security assumptions

NatJack attack class exposes design flaw across decades of network infrastructure.

By Sean Michael Kerner

Aug 6, 2026 7 mins

Network SecurityNetworkingSecurity

AI erased the 50-day patch window. Palo Alto Networks has a response

AI models are finding thousands of zero-day flaws in minutes, forcing defenders to adopt automated, real-time virtual patching to stay ahead of machine-speed exploits.

By Zeus Kerravala

Aug 5, 2026 6 mins

Network SecuritySecurity SoftwareThreat and Vulnerability Management

Cisco exec testifies at US Senate panel on AI’s network impact

Cisco extols AI's potential to deliver new applications, improve performance, bolster security, and manage complexity.

By Michael Cooney

Aug 3, 2026 7 mins

Network SecurityNetworking DevicesWireless Security

We’re in the Unified SASE Era. What’s next?

A true unified SASE platform should use a single operating system, a unified client, a single analytics engine, and a single policy engine that can run on physical and virtual appliances, in the cloud, and as-a-Service.

By Nirav Shah, VP of Product Marketing, Fortinet

Jul 8, 2024 8 mins

Network Security

Cato Networks launches agentic threat prevention

The new AI-powered SASE capability predicts attack paths using network and security telemetry and automatically deploys protections against AI-assisted cyberattacks.

By Denise Dubie

Aug 3, 2026 5 mins

Network SecuritySecurity

Dangling DNS records and reverse DNS gaps give attackers new openings

Among 120 million newly registered domains, more than 22% were weaponized or showed threat characteristics, according to Infoblox's 2026 Threat Landscape Report.

By Sean Michael Kerner

Jul 31, 2026 6 mins

DNSInternetNetwork Security

IBM: AI-driven attacks increased 56% last year, and data breach costs are up 12%

The financial toll of AI-powered breaches is significant. It adds an average of $1 million in costs per breach, as attackers use AI tools to increase speed, scale, and precision, IBM reports.

By Michael Cooney

Jul 29, 2026 5 mins

CyberattacksCybercrimeData Breach

Why the future of network security is the convergence of SASE and firewalls

As compute moves closer to the user and the edge becomes the epicenter of business innovation, physical and cloud security must converge.

By Zeus Kerravala

Jul 29, 2026 7 mins

FirewallsNetwork SecuritySASE

Arista patches maximum severity vulnerability that is already being exploited

The vendor said that the problematic VeloCloud Orchestrator functionality was ‘intended to be for internal use only.’ Analysts stress that intent is not enough.

By Evan Schuman

Jul 28, 2026 6 mins

Network SecuritySecurityVulnerabilities

Fortinet’s new FortiGate platform converges firewall, SASE technologies

New FortiGate 1200G series with FortiSASE Outpost brings threat protection and cloud-delivered SASE to on-premises environments.

By Michael Cooney

Jul 28, 2026 2 mins

Cloud SecurityNetwork SecuritySASE

Netscout doubles DDoS defense capacity to counter AI-driven botnets

Following its acquisition of DigiCert’s DDoS and WAF services, Netscout is boosting its Arbor Cloud DDoS mitigation capacity to 33 Tbps.

By Sean Michael Kerner

Jul 28, 2026 4 mins

CyberattacksCybercrimeDDoS

Cisco, AMD bring enterprise-level security, visibility to Ryzen AI Halo systems

The joint architecture combines AMD’s Ryzen AI Halo hardware and a variety of Cisco technologies, including AI Defense for model and agent security, DefenseClaw for security policy enforcement, and Cisco Cloud Control to unify policy and control.

By Michael Cooney

Jul 24, 2026 4 mins

Artificial IntelligenceCPUs and ProcessorsNetwork Security