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
Ethiack says vulnerabilities jumped 106% in a year
Exploited software flaws are now overtaking stolen passwords as the main breach route, sharpening pressure on security teams to patch faster.
Phishing falls as attackers turn to AI & encryption
Phishing is becoming harder to spot as attackers use encryption and AI-generated sites to target organisations more effectively.
Sitehop trials payment security tech with major retailer
The trial could help retailers harden payment networks without replacing legacy kit, as cyber attacks and PCI DSS 4.0 pressure mount.
Cequence backs behaviour-based zero trust for AI agents
Runtime behaviour, not login checks, is now seen as the key control as businesses put AI agents into live systems and data.
Sitehop named World Economic Forum technology pioneer
The Sheffield cybersecurity firm gains global visibility and policy access as concerns rise over quantum-era attacks on critical networks.
Antevia wins JOSCAR supplier status for private 5G
The listing gives Antevia a quicker route into tightly controlled UK supply chains, easing procurement for its private 5G network offering.
Analyst Insights
Research and market analysis connected to Network Security
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
Check Point & Illumio expand AI cyber defence tie-up
Featured News
Expert Columns
Cyber hygiene 101: The big fundamentals
AI changes detection engineering - but only if you fix your context problem
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
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
Interviews
Interviews and video coverage from the network
Recent Network Security News
AI changes detection engineering - but only if you fix your context problem
Missing context could undermine AI-led SOCs, forcing detection engineers to encode business risk and attacker behaviour into every alert.
Zimperium signs UK distribution deal with ABC Distribution
UK businesses face more mobile phishing and fraud as Zimperium widens access to its defences through ABC Distribution.
BT joins Anthropic cyber project to bolster defences
The telecoms group will use Anthropic's Claude Mythos Preview to spot vulnerabilities faster as cyber threats grow more automated.
Utilize expands SonicWall security deal for 14,000 users
More than 14,000 users will gain wider managed protection as the UK services provider centralises oversight of over 1,200 firewalls.
Cato Networks opens AI hub in London for R&D growth
The new Holborn site will add engineering jobs as demand rises for secure AI tools among businesses and the company seeks deeper UK roots.
Cato says AI cuts CVE protection time to 45 minutes
The cloud security vendor said customers can now get protection against newly disclosed flaws in 45 minutes, far faster than patch cycles.
Spitfire IoT revenue surges as UK customers adopt SIMs
UK firms are cutting connectivity costs as Spitfire's IoT revenue jumps 238% on demand from generators, EV chargers and kiosks.
Beesley & Fildes deploys 10ZiG zero clients at branches
The switch removes a security and compliance risk for the builders' merchant after its former thin client supplier collapsed.
e2e-assure & A&O Corsaire seal UK cyber partnership
UK regulated sectors will get a single evidence trail from testing to live monitoring, reducing audit friction and supply chain risk.
BT launches AI cyber tools for UK SMEs as attacks soar
With one in three firms still lacking basic protection, smaller UK businesses are facing a sharper threat and higher breach costs as attacks rise.
The Mythos moment: Why 'unknown exposure' is becoming the biggest cyber risk of 2026
Security teams face a shrinking window to spot and fix flaws as AI models like Mythos find exposures in minutes, not days.
BT wins five-year secure connectivity deal with BAE Systems
The deal will support BAE Systems' digital transformation as defence groups face growing pressure to secure networks across global operations.
Hammer Distribution signs UK firewall deal with Stormshield
UK resellers gain access to a certified firewall range as Hammer broadens its security line-up with Stormshield’s hardware and virtual products.
Glasgow digital twin tests networks 25,000 times faster
Network operators could cut test times dramatically after University of Glasgow researchers showed a digital twin ran 25,000 times faster than a simulator.
UK cyber breach survey bolsters call for legal reform
The findings add pressure on ministers to modernise the 1990 Computer Misuse Act as breaches hit 43% of UK businesses and 28% of charities.
Nokia & KETS link up on quantum-safe telecoms demo
Telecoms operators could protect existing networks from future quantum attacks without a full redesign as Nokia adds KETS hardware to its demo kit.
Cyber Essentials update raises bar on visibility gaps
UK firms face automatic certification failures if any cloud account lacks MFA, as the revised scheme also tightens patching deadlines.
Anthropic AI's Mythos triggers warnings over cyber risk
Security chiefs say unauthorised access to Anthropic AI's Mythos model shows generative tools could speed phishing, scanning and exploit discovery.
What cyber resilience means in 2026
UK boards will be judged on recovery speed and judgement, as attacks slip past prevention and overwhelm overstretched SOC teams.
Cambridge Wireless unveils 2026 conference on AI & security
More than 500 delegates will hear how AI, cyber threats and automation are reshaping the role of telecoms networks and infrastructure.
