The Ultimate Guide to Network Security
A curated UK 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.
UK Network Security News
Regional stories with direct local relevance
BT launches Microsoft Sentinel security service in UK
The managed offering targets UK organisations struggling to keep pace with faster AI-driven attacks, with round-the-clock monitoring and response support.
Netavo launches broadband gateway software for operators
Operators facing ageing edge gear can now test Netavo's software on standard x86 servers, with support for up to 100,000 subscribers per machine.
Hexnode adds macOS support & new XDR response tools
Security teams can now isolate affected Macs as Hexnode extends XDR threat detection and response beyond Windows with new remediation tools.
UK CISOs tighten AI controls as board pressure rises
Boards are demanding more from UK security chiefs as 72% now block generative AI use and 74% fear a material cyberattack within a year.
ReliaQuest finds Microsoft 365 email control bypass
Phishing emails can still slip into Microsoft 365 mailboxes when attackers leave the SMTP envelope sender blank, ReliaQuest has found.
LMNTRIX appoints Kevin Wright to lead UK growth
Growing demand for managed detection and response is driving the company's UK expansion as boards face tougher resilience expectations.
Analyst Insights
Research and market analysis connected to Network Security
Fortinet: The AI challenge is visibility and control, not permission
NCC Group named in Forrester MDR services landscape
Netskope launches control to block risky AI agent actions
F5 named Market Shaper in Gartner AI security quadrant
Thrive bolsters NextGen platform with Elastic, Cato
Expert Columns
SOCtoberfest Kickoff: The 7 Deadly Sins of Cybersecurity Meet CISA's Core Steps
Engineering for operations: going from security to insight
While you were doomscrolling: Medusa ransomware hits 500+ victims (and your spaghetti sauce might be listening to you)
The EU Cyber Resilience Act reporting deadline: why early visibility supports compliance
The autonomous SOC takeover
AI closes vulnerability window as zero-day exploits surge
Why maritime and offshore leaders are sinking physical SIMs for global connectivity
Supercharged security: Cyber risk in the age of frontier AI
SonicWall joins Anthropic's Project Glasswing to find flaws
AI does not invent cyber risk, it accelerates it
Interviews
Interviews and video coverage from the network
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Recent Network Security News
CyberFOX buys Optimize365 to bolster Microsoft 365 security
The deal adds continuous Microsoft 365 monitoring for smaller IT teams struggling to track configuration drift and security changes across limited staff and budgets.
Palo Alto Networks launches Cortex XDR One for AI agents
Businesses adopting AI agents now face new endpoint risks, which Palo Alto Networks says its Cortex XDR One platform is built to contain.
Fortinet urges urgent patching after AI-found flaws
Enterprise and service provider users are being told to patch exposed devices first as Fortinet warns AI is accelerating exploit development.
Gigamon launches GigaVUE-GSA110 for AI network ops
As AI workloads spread across cloud and on-premises systems, network teams need more context to spot shadow AI and govern traffic.
Tenable launches open AI partner network for security
Security teams can now connect exposure data with third-party AI tools to triage risks faster without building custom integrations.
Microsoft expands Project Perception to police AI agents
Growing use of AI agents in corporate systems is creating a new internal risk category, prompting tighter real-time oversight from security teams.
Google updates VPC Service Controls with new policy tools
The free upgrade should let cloud administrators tighten access controls and fix blocked traffic faster across larger Google Cloud estates.
Aeris adds SGP.32 support to IoT eSIM Orchestrator
The update lets enterprises switch IoT eSIM profiles across borders more easily, as Aeris says its platform now manages 110 million devices.
Broadcom launches HyperArmour to protect VMware ESX
It aims to close a common gap in private cloud defences by blocking hypervisor attacks before unpatched flaws or stolen root credentials can be abused.
KDDI launches AI-driven MDR service for businesses
Businesses in the US and EMEA can now tap 24/7 AI-led cyber monitoring as KDDI aims to ease compliance pressure and response delays.
Check Point warns of 48% rise in cyber attacks worldwide
Sensitive data exposure through workplace AI is compounding a 48% annual rise in attacks, with organisations hit by 2,803 per week in September.
Forward launches AI tool to test network changes first
Customers using the beta report faster network changes and fewer manual checks, with IG Group saying firewall delivery time fell by roughly 95 percent.
Dashlane expands SIEM integrations with browser telemetry
The move aims to close a browser visibility gap, giving security teams earlier warning of risky logins and phishing without another console.
Nvidia outlines AI agent security framework with OpenShell
Businesses face rising risk as Nvidia says AI agents need enforceable boundaries, accountable owners and proof that safeguards actually work.
Microsoft warns AI is deepening cyber threat links
Threats are now spanning identities, cloud and software supply chains, with AI speeding attacks and complicating defence, Microsoft says.
Intel, Atsign boost secure agentic AI for transport
Encrypted data exchanges in smart transport can now run far faster on Intel chips, easing a key barrier to edge AI deployment.
Cybersecurity gap widens in access control controllers
More organisations are treating access control controllers as strategic infrastructure, even as missing cybersecurity features rise to 32% of systems.
ThreatBook acquires CyberStrikeAI in red team push
The deal gives security teams a widely used AI testing tool with on-premises controls, as vendors race to speed up offensive defence.
HPE lifts networking outlook on AI demand & Juniper savings
AI-related demand is set to boost HPE's networking growth, with the company now forecasting higher margins and USD $800 million in Juniper savings by 2028.
Companies warned of inherited cyber risks in acquisitions
Buyers may inherit unpatched systems and monitoring gaps unless cyber checks are done before a deal closes, Quest Technology Management says.
