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Citrix issues its weekly critical security patch for NetScaler ADC and NetScaler Gateway

When it comes to vulnerabilities, Citrix NetScaler seems to have a memory problem.

Oct 9, 20262 mins

Network AppliancesNetwork SecurityZero-Day Vulnerabilities

SonicWall’s latest critical flaw indicates a security pattern, not another one-off bug

Oct 7, 20267 mins

Network SecuritySecurityVulnerabilities

IBM expands mainframe networking options as AI reshapes enterprise infrastructure

By Michael Cooney

Oct 5, 202610 mins

High-Performance ComputingMainframesSecurity Infrastructure

Nvidia built the AI factory. Now it's building the locks for the doors

By Zeus Kerravala

Oct 1, 202612 mins

Artificial IntelligenceData CenterNetwork Security

Cisco SD-WAN Manager hit by zero-day admin access attack

By Shweta Sharma

Oct 1, 20264 mins

Network SecuritySD-WANZero-Day Vulnerabilities

OpenStack Hibiscus hardens DNS and compute while AI reshapes the security workload

By Sean Michael Kerner

Sep 30, 20267 mins

Cloud ComputingNetwork SecuritySecurity

NetScaler admins told to patch critical zero-days in ADC and Gateway now

By Shweta Sharma

Sep 28, 20264 mins

Network AppliancesNetwork SecurityRemote Access Security

On-prem VeloCloud Orchestrator under attack, only some versions patched

By Shweta Sharma

Sep 24, 20264 mins

Network SecuritySD-WANWAN

F5 fixes actively exploited zero-day flaw in BIG-IP APM

By Lucian Constantin

Sep 23, 20263 mins

Network SecurityVulnerabilitiesZero-Day Vulnerabilities

Articles

Converged network at new Buffalo Bills stadium carries broadcast, security, and AI traffic

The Buffalo Bills eliminated fragmented legacy systems, streamlined IT operations, and transformed the game-day fan experience at Highmark Stadium.

By Zeus Kerravala

Sep 23, 2026 6 mins

Artificial IntelligenceNetwork SecurityNetworking

9 career-boosting Wi-Fi certifications

There are two new wireless certifications from Cisco in our roundup of vendor-neutral and vendor-specific wireless networking certifications.

By Denise Dubie and Eric Geier

Sep 22, 2026 12 mins

CertificationsNetwork SecurityWi-Fi

Cisco patches max-severity ISE flaw, the second critical zero-day this week

Under active exploitation, the 10.0 Identity Services Engine vulnerability can give attackers root privileges without authentication.

By Lucian Constantin

Sep 17, 2026 3 mins

Network SecurityVulnerabilitiesZero-Day Vulnerabilities

Critical Cisco Secure Email Gateway zero-day gives attackers root access

‘A root-level, unauthenticated RCE in an email gateway is about as good a foothold as an attacker gets.’

By Lucian Constantin

Sep 15, 2026 3 mins

Communications SecurityEmail SecurityNetwork Security

Why KVM-over-IP is becoming the backbone of modern infrastructure management

As IT teams manage infrastructure across data centers, colocation facilities, and test labs, software-dependent remote access tools are leaving critical gaps that only hardware-level KVM access can close.

Jul 29, 2026 4 mins

Critical InfrastructureData CenterSecurity Hardware

Highlights from Splunk .conf26 and what the news means to network engineers

Newly announced Network Intelligence App for Splunk Observability brings Cisco network topology, device health, and event data into Splunk so engineers can trace an alert to an affected device without leaving the platform.

By Zeus Kerravala

Sep 15, 2026 9 mins

Network Management SoftwareNetwork SecurityNetworking

VMware by Broadcom: Product, service and support news

We've tracked the Broadcom-VMware saga since the deal was announced. Here’s what you need to know about VMware's products, services and support changes since its acquisition by Broadcom.

By Network World staff

Sep 14, 2026 23 mins

Edge ComputingNetwork SecurityVirtualization

MikroTik patches flaws currently being exploited to take over routers

MikroTrick chains together two of six patched vulnerabilities to obtain root privileges on MikroTik devices with SSH exposed to the internet, of which they are more than 120,000.

By Lucian Constantin

Sep 9, 2026 4 mins

Network SecuritySecurityVulnerabilities

Cisco bundles fixes for multiple vulnerabilities, some critical, into one patch

The patch addresses two critical vulnerabilities and five other high-severity bugs impact Cisco’s carrier-grade routing OS, with potential paths to RCE and unauthorized access.

Sep 8, 2026 6 mins

Network SecurityNetworkingVulnerabilities

BackBox brings AI to network automation but keeps humans in control

BackBox launches Kilter AI to apply artificial intelligence to network automation without relinquishing control, treating AI as an advisor rather than a decision-maker.

By Denise Dubie

Sep 8, 2026 4 mins

Artificial IntelligenceNetwork MonitoringNetwork Security

SonicWall reports two major security holes under active exploit

The company said there are no defensive workarounds for the flaws that include one enabling unauthenticated remote attacks; it has issued patches.

By Evan Schuman

Sep 2, 2026 5 mins

Network AppliancesNetwork SecurityNetworking Devices

Arista warns customers ahead of next week's security disclosures

Arista is preparing to release a higher-than-usual amount of security advisories affecting Arista EOS and VeloCloud.

By Michael Cooney

Sep 2, 2026 4 mins

Artificial IntelligenceNetwork SecurityNetworking

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, 2026 2 mins

Artificial IntelligenceNetwork SecuritySecurity

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Oracle reportedly lands $7B GPU deal for Tencent

By Andy Patrizio

Oct 9, 20263 mins

Artificial IntelligenceCPUs and ProcessorsData Center

Bidding war over key component could eliminate third hard disk maker

By Maxwell Cooter

Oct 9, 20262 mins

Data CenterEnterprise StorageMergers and Acquisitions

Tool sprawl, AI complicate enterprise network operations

By Denise Dubie

Oct 8, 20266 mins

Artificial IntelligenceNetwork Management SoftwareNetwork Monitoring

Has the hype around ‘Internet of Things’ paid off? | Ep. 145

Apr 18, 202436 mins

IoT PlatformsIoT Security

Episode 1: Understanding Cisco’s Converged SDN Transport

Sep 24, 202120 mins

Cisco SystemsInternetNetworking

Episode 2: Pluggable Optics and the Internet for the Future

Sep 23, 202117 mins

Cisco SystemsComputers and PeripheralsInternet

Master Linux Math with the bc Command | Easy CLI Calculations Explained!

Jun 23, 20251 mins

Operating Systems

Master Linux Math in Seconds: How to Use the expr Command Like a Pro

Jun 17, 20251 mins

Operating Systems

How to Do Math in the Command Line Using Double Parentheses

Jun 6, 20251 mins

Operating Systems