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
Citrix adds MCP Gateway to NetScaler for AI traffic
Jamf launches AI governance for Mac fleets in enterprises
Check Point expands Illumio tie-up to tackle AI attacks
Fortinet launches FortiSOC cloud security platform
Fortinet launches FortiSOC cloud security platform
Featured News
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Check Point: Hackers are already in. Act accordingly
Hackers are exploiting vulnerabilities in hours or minutes, leaving many organisations compromised before defenders spot the breach.
Quantum computers aren't here yet. But the data threat is
Hackers are already stockpiling encrypted data for Q-Day, when quantum machines could break RSA and ECC in minutes.
Expert Columns
AI does not invent cyber risk, it accelerates it
Your annual penetration testing is already out of date
SonicWall research sounds Code Red on healthcare cybersecurity as attack rates refuse to decline
Cyber hygiene 101: The big fundamentals
What Swiss Cheese teaches us about choosing MDR
Your Immune System Doesn't Wait. Neither Should Your Security
Unlocking intelligence with access control
A long time ago in a galaxy far, far away…Cybersecurity was already hard
Virtual vs. physical firewalls: A practical guide for modern networks
The Death of the Firewall
Interviews
Interviews and video coverage from the network
Recent Network Security News
Fortinet adds AI oversight & data controls to FortiEndpoint
Security teams gain tighter endpoint oversight of shadow AI and sensitive data, as Fortinet folds new controls into FortiEndpoint from the third quarter.
Microsoft patches 622 flaws, including SharePoint bugs
Defenders face added pressure as the update covers two actively exploited flaws and a SharePoint bug that could enable remote code execution.
AI now runs parts of cyber attacks, Check Point says
Defenders face shorter patching windows as Check Point says AI can now turn new flaws into working exploits within hours.
AI now drives live cyber attacks, Check Point says
Security teams face faster, harder-to-trace intrusions as AI is now being used to write attack code and run deception during breaches.
AWS Builder Centre expands with free sandbox workshops
Free workshop sandboxes should make it easier for developers to try AWS training without a personal account, credit card or cleanup.
TCS wins broader role in ABB's global network overhaul
The multi-year pact will centralise ABB's fragmented networks, aiming to improve security and reliability across operations used by 110,000 staff.
Financial services faces most cyberattacks per device
Legacy systems and slow patching are leaving banks exposed, with financial services hit by more than double the average cyberattacks per device.
Check Point sees June cyberattacks jump 17% year on year
Business and public sector organisations faced 2,270 attacks a week in June, as ransomware rose 33% and GenAI use exposed sensitive data.
Giesecke+Devrient says post-quantum shift is urgent
Encrypted data could be exposed years before practical quantum computers arrive, putting identity, telecoms and payments under pressure.
Google backs 33 cybersecurity startups in AI shift
New tools for governing AI agents are moving to the fore as Google picks 33 cybersecurity startups for its first cybersecurity forum cohort.
Infoblox to buy Kentik in network observability push
The deal could give enterprises a fuller view of hybrid networks as AI-driven operations and security tools demand cleaner traffic data.
Cisco signs network deal with The R&A for golf events
The deal will give fans and broadcasters at The Open faster connectivity as nearly 1,000 access points are installed across the course.
Summer holidays leave firms more exposed to cyber fraud
Reduced staffing and delegated approvals during annual leave are giving fraudsters more chances to slip through corporate checks, Everywhen says.
Google details three uses for Cloud Router route policies
The controls are helping network teams filter routes, steer traffic and preserve appliance state without third-party virtual networking tools.
ExpressVPN adds 214 locations across 113 countries
Users now have more local routing choices as ExpressVPN widens its app-selectable network to 214 locations in 113 countries.
Barracuda buys Evo Security to bolster MSP identity tools
The deal gives managed service providers a broader way to control identities across customer systems as attacks on credentials and privileges rise.
DroneShield launches software update for air-gapped users
Operators on disconnected networks can now install upgrades via removable media, reducing reliance on remote support for counter-drone systems.
Google disrupts NetNut proxy network in FBI operation
Millions of consumer devices were pulled into a botnet used for hacking and espionage, prompting Google to disable apps and accounts.
Attackers abuse trust as ClickFix spreads to macOS
The tactic now reaches Mac users, as attackers turn to trusted tools and social engineering to evade defences and steal credentials.
Google Cloud adds Claude Apps Gateway for enterprises
The self-hosted gateway gives firms central control over sign-ins, access and costs as Claude Code roll-outs move beyond small developer teams.