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
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.
XConnect & GSE team up to curb multi-service scams
Broader fraud detection could help agencies and brands spot scams sooner as telecom and internet signals are linked across services.
iStorage warns firms to secure data beyond networks
Schools and public bodies face fresh pressure to protect records after a Department for Education breach exposed more than 600,000 files.
Sitehop launches national security unit for defence networks
Ageing defence networks could gain a faster layer of protection as the Sheffield firm targets legacy systems vulnerable to AI and quantum threats.
Analyst Insights
Research and market analysis connected to Network Security
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
Thrive adds Elastic & Cato to NextGen security platform
Featured News
Check Point CTO on AI's double-edged sword
AI is shrinking the gap between vulnerability disclosure and real-world exploitation to hours, forcing security teams to adapt fast.
.webp)
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.
Expert Columns
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
Your annual penetration testing is already out of date
Interviews
Interviews and video coverage from the network
Recent Network Security News
UK SMBs face cyber incidents amid basic security gaps
Nearly half of UK small businesses suffered a cyber incident last year, with phishing and unpatched flaws doing most of the damage.
Ransomware gangs steal 896 terabytes, Zscaler says
Data theft is now driving ransom demands, with average payments rising and attackers increasingly targeting senior staff at exposed companies.
Cisco warns UK firms unready for 24-hour cyber rule
Most UK organisations would struggle to meet a proposed 24-hour cyber incident reporting rule, Cisco research suggests.
Mercury Security flags cybersecurity gap in access control
Cybersecurity features are missing from nearly a third of access controller systems, leaving firms exposed as cloud and AI demands rise.
DrayTek & Enea partner on deeper traffic visibility
The deal will help DrayTek customers spot AI and other traffic on their networks more quickly, as security shifts deeper into hardware.
SOFTSWISS report says AI is reshaping iGaming jobs
AI is forcing iGaming operators to slim teams, tighten security and face closer scrutiny as the sector becomes a test bed for digital business.
Check Point & NVIDIA add real-time AI agent safeguards
Firms deploying AI agents may gain extra protection as the new setup can block risky actions before they reach systems, in under 100 milliseconds.
Hackuity raises USD $19 million in Forgepoint-led round
Fresh capital will fund Hackuity's push into Europe and Asia as firms struggle to prioritise a swelling backlog of vulnerabilities.
SHI warns firms to prepare for quantum security risks
Businesses may have only a few years to replace ageing encryption before quantum computers make current security methods vulnerable.
UNC6240 hits PeopleSoft flaw in global renewed attacks
Dozens of organisations worldwide face renewed compromise risk after attackers used an encoded path to slip past defences and hit Oracle PeopleSoft.
BlackBerry raises outlook as QNX revenue hits record
Strong demand for QNX helped lift BlackBerry's second-quarter profit and cash flow, prompting the company to increase full-year guidance.
Demain warns of AI persistence after Medicare breach
The breach highlights how AI agents can keep probing blocked systems, prompting calls for stronger defences around identities, networks and data.
Kodak Alaris launches N2000 series scanners for offices
Distributed offices can now standardise document capture with scanners that protect records, reduce rework and support audits across multiple sites.
Cloudbrink launches OnGuard to unify enterprise security
Enterprises could cut security sprawl as the platform extends one policy framework to users, devices and machines before login.
Palo Alto launches continuous AI defence for clients
Attackers are exploiting AI faster than many defences can respond, prompting a shift to continuous testing for hidden exposures.
Bitdefender launches free VPN for AI agents in beta
A free tool on macOS now gives AI tasks separate, disposable internet connections, helping keep users' IP addresses distinct from agent activity.
Akira exploits two-year-old SonicWall flaw, ThreatDown says
Thousands of exposed SonicWall devices still give Akira ransomware a route in, as patched systems with old credentials remain a live risk.
A10 launches AI Gateway for enterprise model control
Enterprises could get tighter control over AI spend and access as A10's gateway routes requests, tracks usage and enforces policy.
Rockwell joins Anthropic's Project Glasswing programme
Industrial control systems could be patched faster as Rockwell tests controlled access to Claude Mythos 5 to spot flaws before attackers exploit them.
Fastly launches AI firewall & runtime control tools
Machine-generated traffic is driving up costs and security risks as Fastly adds controls for AI systems now moving into production.
