CYBER SECURITY SERVICES CHICHESTER
Cyber Security Services for Businesses in Chichester
ATS Connection provides managed cyber security services for businesses in Chichester, helping protect Microsoft 365, devices, users, data and day-to-day operations through practical, structured security management.
Microsoft 365Hardened & Monitored
Serving
Chichester & West Sussex
100+
Businesses supported
20+
Years of experience
94%
First-contact resolution
<15 min
Average response time
Modern cyber risk
Cyber risk has changed. Most
incidents now start with everyday
systems.
Serious cyber incidents rarely begin with a dramatic intrusion. For most Chichester businesses, they begin quietly, in Microsoft 365, in email, in a reused password, in an unmanaged laptop or in a backup nobody has tested.
We work with professional services, solicitors, accountants, local SMEs and established businesses across Chichester and West Sussex , organisations where downtime, data loss or a compromised mailbox would have a real commercial impact. The pattern is consistent: most risk sits in the systems people use every day.
ATS Connection helps Chichester businesses bring those systems under proper management, calmly, methodically and without the noise of fear-led marketing.
Practical cyber security is not about creating fear.
It is about bringing the most important risks under control before they become operational incidents.
Where Risks Usually Start
- Identity & access – Weak MFA, shared logins, unused accounts and excessive admin permissions.
- Microsoft 365 – Legacy authentication, risky sharing settings and over-permissioned mailboxes.
- Email – Phishing, invoice fraud, impersonation and account compromise.
- Devices – Unmanaged laptops, unpatched machines and personal devices used for work.
- Recovery – Untested backups, unclear restore processes and weak ransomware recovery planning.
- Remote work – Home networks, unmanaged access and inconsistent device security.
MICROSOFT 365 SECURITY
A modern, secure operating environment for your business
Microsoft 365 is the highest-value target in most modern businesses. We deploy a layered, audit-ready model across your tenant, identities, devices and data, engineered to keep your team productive and your business protected.
MFA enforced everywhere
Phishing-resistant MFA on every account, every device, including directors, finance and shared mailboxes.
Conditional Access policies
Risk-based controls that block sign-ins from untrusted devices, locations and legacy authentication protocols.
Advanced email defence
Link rewriting, attachment detonation and impersonation protection tuned to your real correspondence patterns.
Identity protection & monitoring
Continuous alerting on identity risk, impossible travel, token theft and anomalous behaviour across your tenant.
Managed device security
Intune-managed laptops and workstations, encrypted, patched and policy-controlled wherever your team works.
Secure remote access
Zero-trust access for hybrid teams, with conditional policies replacing legacy VPNs and standing privileges.
User access & least privilege
Tight role-based access, reviewed regularly, with privileged accounts protected and audited.
Independent M365 backup
Immutable, third-party backups of Exchange, SharePoint, OneDrive and Teams, beyond Microsoft’s native retention.
Tenant configuration governance
Continuous monitoring for configuration drift, over-sharing and risky changes across your Microsoft 365 estate.
LEVELS OF CYBER PROTECTION
Cyber security management built around operational maturity
Three strategic retainer levels, each delivered as a long-term security relationship, scaled to your business risk, regulatory exposure and growth ambitions.
Foundation Protection
Best for: Smaller businesses improving baseline security.
- Phishing-resistant MFA across all accounts
- Managed endpoint protection
- Microsoft 365 tenant hardening
- Patch & vulnerability management
- Security monitoring & alerting
Managed Cyber Security
Best for: Growing businesses needing proactive protection.
- Managed EDR / MDR with active response
- Conditional Access & identity protection
- Advanced email security & impersonation defence
- Continuous monitoring & escalation
- Independent M365 backup with rehearsed recovery
- Quarterly security reviews
- Incident response & containment
Complete Cyber Partnership
Best for: Mature businesses needing ongoing governance.
- Strategic security reviews with leadership
- Multi-year cyber roadmap & risk reduction plan
- Compliance alignment (Cyber Essentials & beyond)
- Advanced monitoring & threat intelligence
- Business continuity & recovery guidance
- Executive reporting & board-ready posture
Every engagement begins with a confidential conversation and a tailored proposal, we don’t publish list prices because every business is different.
Managed cyber security
A managed cyber security service built around operational protection
Six capability pillars, delivered as a single accountable service for Chichester businesses
layered, governed and continuously improved.
Identity & Access Protection
MFA, Conditional Access, privileged account protection and identity monitoring across your Microsoft tenant and key systems.
Microsoft 360 Security
Tenant hardening, Entra ID, SharePoint and Teams governance, secure external sharing and removal of legacy authentication.
Endpoint & Device Security
Managed EDR, patching, encryption and device compliance for laptops, desktops and mobile devices, in the office or remote.
Email & Phishing Protection
Advanced email filtering, anti-impersonation, attachment sandboxing and user-level reporting for genuine phishing resilience.
Backup, Recovery & Business Continuity
Independent backup of Microsoft 365, servers and critical data, with tested recovery and clear continuity expectations.
Monitor, Governance & Response
Continuous monitoring, structured reviews, change control and a documented response path for when something needs attention.
One accountable cyber security partner combining prevention, monitoring, recovery and operational governance into a single managed service.
Cyber Essentials & insurance
Cyber Essentials, insurance readiness and stronger security foundations
Businesses in Chichester are being asked for clearer evidence of cyber controls, by insurers, by larger clients, and increasingly by their own boards. Insurance renewals now routinely expect MFA, EDR, patching and documented backup.
Cyber Essentials is a recognised baseline that demonstrates these controls are in place. It is not a silver bullet, but it is a credible, well-understood starting point for serious security maturity.
ATS Connection can help you understand where you currently sit, identify the gaps and prepare your environment properly, without overstating what certification can or cannot do.
- Cyber Essentials readiness
- MFA deployment
- M365 hardening
- Endpoint compliance
The ATS Cyber Security Model
A four-stage model for measurable cyber resilience
Every Chichester client we onboard follows the same calm, structured approach, designed to make cyber security an ongoing operational discipline, not a one-off project.
01
Identify & assess
Independent review of Microsoft 365, identities, endpoints, backup and processes, benchmarked against recognised baselines.
02
Secure & harden
MFA, Conditional Access, EDR, email defence and backup deployed in a controlled, change-managed sequence.
03
Monitor & protect
Continuous monitoring of identities, endpoints and tenant configuration with named UK engineers and clear escalation.
04
Recover & improve
Quarterly security reviews, posture updates and a clear roadmap, closing gaps before they become incidents.
WHEN SOMETHING GOES WRONG
When incidents happen, response matters
Prevention is most of cyber security, but how a partner responds when something does go wrong is the real test. ATS combines documented incident procedures, senior in-house engineers and rehearsed recovery to keep your business operating with confidence.
- Rapid containment
- Recover from backup
- Clear communication
- Isolate & protect
- Business continuity
- Post-incident review
Why businesses choose ats
A calm, credible cyber security partner, not a fear-led vendor
Predictable protection, governed Microsoft 365, layered defence and grown-up advice, delivered by senior engineers who actually answer the phone.
Cyber Essentials Certified
Operating to a recognised baseline ourselves, not just advising others to.
Microsoft 365 specialists
Deep tenant hardening, identity protection and governance experience.
Calm, practical guidance
No theatre. Clear language, prioritised actions and grown-up advice.
UK-based engineers
All engineering in-house, in the UK. Named engineers who know your environment.
Proactive monitoring
Continuous monitoring of identities, endpoints and tenant configuration.
Security reviews
Structured quarterly reviews and posture updates. not annual surprises.
Clear remediation roadmaps
Costed, prioritised and aligned to your risk appetite and growth plans.
Long-term partnership
Most ATS clients have been with us for years. security as a relationship.
Free • No obligation • Senior engineer • 30 minutes
Book a Cyber Security Review
A confidential, no-obligation conversation with one of our principal engineers,
focused on identifying security gaps, improving Microsoft 365 protection, reducing
operational risk and strengthening business continuity.
What you’ll get from your review
- Identify critical security gaps
- Improve Microsoft 365 protection
- Reduce operational & ransomware risk
- Map a clear, costed cyber roadmap
What clients say
Rated 5.0 on Google by Sussex businesses.
★★★★★
We have been with ATS Connection for years and they have always been reliable. Fast, efficient, and they really know their stuff.
MichelleNorthgate PropertiesGoogle ★ 5.0
★★★★★
Their proactive IT support has saved us a lot of headaches. We can focus on growing our business knowing our IT is sorted.
VickyCallatech EngineeringGoogle ★ 5.0
★★★★★
ATS Connection has been a huge help. Whenever we run into IT issues, they are always there to resolve things quickly.
NicholasNorfolk Arms HotelGoogle ★ 5.0
FAQ
Cyber security questions from Chichester businesses
We provide managed cyber security for Chichester businesses, covering Microsoft 365 security, MFA and identity protection, endpoint security, email and phishing protection, independent backup, monitoring and Cyber Essentials readiness, delivered as a single accountable service.
Yes. Microsoft 365 hardening is one of our core capabilities. We deploy MFA, Conditional Access, Entra ID protections, SharePoint and Teams governance, secure external sharing and advanced email protection, in a controlled, change‑managed sequence.
Yes. We help Chichester businesses understand where they sit against the Cyber Essentials baseline, identify gaps and prepare their environment properly. We are transparent about what certification can and cannot do for your wider security posture.
Through layered protection: advanced email filtering, anti‑impersonation controls, MFA, Conditional Access, endpoint protection and clear user reporting routes, delivered as part of an ongoing managed service rather than a single product.
Yes. We provide fully managed cyber security for Chichester organisations, ongoing monitoring, tenant governance, endpoint management, backup oversight and structured quarterly reviews, with UK‑based engineers who know your environment.
Yes. We offer an independent cyber security review covering Microsoft 365, identities, endpoints, backup and processes, benchmarked against recognised baselines, with a clear, prioritised remediation roadmap.
