Network Security | Network World

U.S. Open powers up AI-ready network in challenging environment

At the U.S. Open, Cisco and the USGA built a network that survives dust, rain, roving crowds, and cyberattacks — and the lessons for network engineers extend well beyond golf.

By Zeus Kerravala

Jun 29, 202610 mins

Artificial IntelligenceNetwork SecurityWi-Fi

Rami Rahim’s message for network pros: Legacy networks can’t withstand rigors of AI

By Zeus Kerravala

Jun 23, 202610 mins

Artificial IntelligenceNetwork Management SoftwareNetwork Security

FortiBleed campaign exposes 75,000 Fortinet firewalls worldwide

By Shweta Sharma

Jun 18, 20264 mins

FirewallsNetwork SecurityNetworking Devices

Cisco patches SD-WAN flaw amid evidence of active exploitation

By Prasanth Aby Thomas

Jun 16, 20265 mins

Network SecuritySecurity

How Jeetu Patel made Cisco unrecognizable

By Zeus Kerravala

Jun 12, 202610 mins

Network Management SoftwareNetwork SecurityNetworking

AI-powered WAF, virtual patching: How F5 is hardening networks against frontier threats

By Sean Michael Kerner

Jun 10, 20264 mins

Artificial IntelligenceNetwork SecuritySecurity

Articles

Residential proxies are hiding in plain sight inside enterprise networks

Research from Infoblox finds the traffic routing technology is widespread across corporate, government, and financial networks, and defenders often cannot see it.

By Sean Michael Kerner

Jun 10, 2026 6 mins

DNSInternetNetwork Security

Zscaler launches zero trust platform for agentic AI

Zscaler unveiled a zero trust platform for agentic AI at its Zenith Live 2026 conference in Las Vegas.

By Maria Korolov

Jun 9, 2026 4 mins

Artificial IntelligenceNetwork SecuritySecurity

Attackers exploiting unpatched Cisco SD-WAN flaw

The vulnerability enables authenticated attackers to take over the enterprise network management system as root and may be connected to previous UAT-8616 activity.

By Lucian Constantin

Jun 8, 2026 3 mins

Network SecuritySecurityVulnerabilities

Cisco: Latest news and insights

Here’s what you need to know about the networking giant’s latest product and company news.

By Network World staff

Jun 5, 2026 47 mins

Network Management SoftwareNetwork SecurityNetworking

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

What is Cisco Cloud Control and why should customers care?

Cloud Control is a consolidated management plane, but it's not a passive dashboard. Policy and identity are built directly into the control path. It's a sharp departure from the days when a dashboard’s job was mostly to display information and leave the operator to figure out the rest.

By Zeus Kerravala

Jun 3, 2026 10 mins

Network Management SoftwareNetwork SecurityNetworking

Cisco Live: The network is back, and AI rewrote the rules

As Cisco Live kicks off in Las Vegas, Tom Gillis shares how AI has changed networking, including inside Cisco, where AI coding tools have accelerated software development across its entire product portfolio.

By Sean Michael Kerner

Jun 2, 2026 7 mins

Artificial IntelligenceNetwork SecurityNetworking

Cisco brings agentic ops platform and security overhaul to Cisco Live

Cisco aims to become the infrastructure layer for the agentic enterprise. It launched a flurry of new products and features at its Cisco Live event taking place this week in Las Vegas.

By Sean Michael Kerner

Jun 2, 2026 9 mins

Artificial IntelligenceNetwork SecurityNetworking

Attackers exploit Palo Alto GlobalProtect flaw days after disclosure

The credential-less authentication bypass offers attackers a stealthy route into enterprise networks without malware, phishing, or stolen credentials.

By Gyana Swain

Jun 2, 2026 5 mins

Network SecuritySecurity

Zero trust isn’t broken, but most companies are doing it wrong

There are plenty of myths, mistakes, and misconceptions around zero-trust network access. Here’s how to avoid them.

By Neal Weinberg

May 27, 2026 11 mins

Identity and Access ManagementNetwork SecurityZero Trust

Standard AI safety benchmarks miss the real threat, Cisco finds

Multi-turn attacks expose gaps in frontier AI model safety, Cisco warns.

By Sean Michael Kerner

May 27, 2026 7 mins

Artificial IntelligenceNetwork SecuritySecurity

Critical vulnerability in Cisco Secure Workload rated at maximum severity

The easily exploited hole could give an unauthenticated threat actor site admin privileges, even across tenant boundaries.

By Howard Solomon

May 21, 2026 4 mins

Network SecuritySecurityVulnerabilities

Cisco's new certs are a wake-up call for AI-era network engineers

Cisco’s revamped CCNA and CCIE certifications are a skills blueprint for AI-era networking, where automation, observability, and human judgment converge.

By Zeus Kerravala

May 21, 2026 9 mins

Artificial IntelligenceCareersNetwork Security