The Ultimate Guide to Network Security
A curated Irish edition of TechDay news, analysis, interviews, reviews, job moves, and related resources for Network Security.
What to know about Network Security
Network Security encompasses the technologies, policies, and practices designed to safeguard computer networks from unauthorized access, attacks, and data breaches. In an era marked by digital transformation, cloud adoption, and increased remote workforces, securing networks has become an essential priority for businesses, governments, and institutions alike.
This tag brings together an extensive range of insights and developments on network security, reflecting current challenges such as ransomware surges, DDoS attacks, vulnerabilities in IoT devices, and emerging risks linked with AI and cloud infrastructures. Readers can explore the evolving landscape of network protection technologies including virtual firewalls, secure SD-WAN solutions, zero trust models, encrypted traffic management, and unified threat management platforms.
From detailed case studies on securing healthcare and retail sectors to analysis of regional cyber threat trends, readers will find practical advice, expert opinions, and vendor news that illuminate how network security strategies adapt to protect organizational assets, maintain compliance, and ensure business continuity in an increasingly complex cyber-threat environment.
Whether you are a cybersecurity professional looking to stay abreast of the latest innovations or a business leader seeking to understand and mitigate risks to your network infrastructure, this collection of stories offers valuable perspectives on the critical role of network security today.
Analyst Insights
Research and market analysis connected to Network Security
Check Point wins Frost & Sullivan recognition for WAF
Check Point tops Miercom hybrid mesh security benchmark
Check Point tops Miercom hybrid mesh security benchmark
Extreme says Platform ONE cuts network costs by 32%
Gigamon eyes AI-led surge in network observability
Featured News
Expert Columns
The Death of the Firewall
One click can trigger a breach, but security can stop it
Turning security into a story: How managed service providers use reporting to drive retention and revenue
VPN vulnerabilities don't have to become breaches
How MH Enterprise turns trust into cybersecurity success
Mythos changes everything: Is your AI agent security ready?
How Atomgate uses education and partnership to drive successful SonicWall upgrades
Microsoft April Patch Tuesday reveals 167 vulnerabilities
The why and what of FIPS 140-3 validation in modern cybersecurity
How Apograph uses proactive firewall upgrades to protect clients and control costs
Interviews
Interviews and video coverage from the networkRecent Network Security News
Tech Mahindra & Cisco launch cyber resilience fabric
Enterprises facing rising cyber risk will gain a single view of alerts and business impact as the firms combine security data and AI analytics.
AI fuels rise in phishing attacks, Barracuda finds
One in three emails flagged in Barracuda's study was malicious, as AI and phishing kits helped drive more account takeovers.
Exaforce raises USD $125m in Series B for AI security
The funding will help the cyber security start-up expand in Japan and Europe as it pushes AI tools to cut investigation times and false positives.
Microsoft patches 137 flaws, including critical Netlogon
Domain controllers face urgent patching after a Netlogon flaw was rated 9.8, with no privileges or user interaction needed for exploitation.
Ransomware attacks near record as groups consolidate
A smaller band of operators is driving most incidents, leaving companies facing fewer but more organised ransomware gangs.
Fortinet expands NVIDIA tie-up to secure enterprise AI
The integration aims to curb prompt injection and data leaks as enterprises push AI agents into production across cloud and on-premises systems.
Tanium adds four products to NATO assurance catalogue
The listing could speed procurement for defence buyers seeking pre-evaluated tools for secure deployment across complex NATO environments.
MongoDB adds AI tools for production agents in Atlas
Enterprises running AI agents can now cut infrastructure overhead, as MongoDB adds automated embeddings, memory and faster database performance.
WatchGuard buys Perimeters.io in cloud security push
MSPs will gain a single platform for cloud threat detection as the deal widens WatchGuard's reach into identity and SaaS security.
Megaport launches built-in DDoS protection for network
Customers can block attacks without rerouting traffic, as Megaport adds in-network DDoS filtering to its internet connectivity service.
BlackFog says only one in nine ransomware attacks go public
Undisclosed attacks outnumbered public cases by nine to one, with healthcare and government still bearing the brunt of the ransomware threat.
Infoblox completes Axur buy to boost digital risk protection
Security teams gain wider visibility as Infoblox folds Axur into a new service that scans 40 million URLs a day for phishing and impersonation.
OpenAI launches GPT-5.5-Cyber for vetted defenders
Vetted security teams will get fewer refusals on authorised tasks as OpenAI tightens access around its most permissive cyber model.
Fortinet launches new firewalls for AI traffic control
Rising encrypted and AI-related traffic is forcing firms to rethink firewall performance as Fortinet adds higher-capacity models for data centres and edge sites.
WatchGuard launches Rai AI workforce for MSP security
Managed service providers could cut alert backlogs as WatchGuard’s new AI agent takes on threat detection and response across client networks.
Extreme expands AI networking platform with Agent ONE
Customers can now manage mixed-vendor networks and security from one platform as Extreme adds third-party device support and AI agents.
HPE adds autonomous networking functions to Mist & Aruba
Automatic remediation and capacity tuning in HPE Mist and HPE Aruba Central aim to cut outages and lighten IT teams’ workload.
Broadcom launches VMware Cloud Foundation 9.1 for AI
The update targets firms weighing private cloud for production AI, with Broadcom citing cost, security and governance pressures in its research.
Tanium launches Atlas to speed IT & security response
Rising attack speeds are forcing stretched IT teams to act faster, as Tanium says its new system can turn one operator into many.
Infoblox completes Axur takeover to boost threat defence
Customers will gain earlier warnings on phishing and impersonation as Infoblox folds Axur's web, app and dark web scanning into its security tools.