Cyber Security Services for South Yorkshire Businesses
Practical cyber security for South Yorkshire organisations that need clear answers.
We help smaller businesses, schools, care providers, charities and professional firms across South Yorkshire protect email, Microsoft 365, devices, staff accounts and business data without turning cyber security into a second full-time job.
Sheffield has its own dedicated page. This page is for the wider South Yorkshire picture: Rotherham, Barnsley, Doncaster, the Dearne Valley, Maltby, Wath, Mexborough, Dinnington, Penistone, Wombwell and the surrounding business communities.
South Yorkshire is full of busy organisations that rely on cloud systems, email and trust.
That makes the region a brilliant place to work, trade and collaborate. It also means one compromised account, one fake supplier email or one missing backup can quickly become a business problem.
A care provider in Rotherham, a trades business in Barnsley, a professional firm in Doncaster and a charity serving communities across South Yorkshire may look different from the outside.
Under the surface, the pressure is often similar.
Email has become the front door. Microsoft 365 holds the paperwork. Staff are busy. Budgets are watched carefully. Suppliers want proof. Insurers ask more questions than they used to.
Good intent, thin cover
Security settings are partly done, backups exist somewhere, MFA is switched on for some people and antivirus is installed. It feels like progress, but nobody is fully sure what is being watched.
Capacity, not carelessness
Smaller teams are not ignoring cyber security. They are trying to run the organisation at the same time. That is why simple, managed protection works better than dumping another dashboard on someone’s desk.
The easiest route in is rarely dramatic.
It is usually a normal-looking email, a real account behaving oddly, a reused password, a missed update or a supplier payment request that lands on the wrong day.
Fake invoices and supplier scams
A familiar name, a believable message and a bank detail change can be enough to create a serious loss.
Microsoft 365 misuse
Attackers do not always need malware. Sometimes they use a real mailbox, real files and real conversations.
Unpatched laptops and servers
Missed updates, unmanaged devices and quiet warning signs can give attackers more room to move.
A clearer way to protect your organisation.
We start with what you already have, what you need to prove and what could cause the biggest disruption. Then we help you put the right protection around it.
Review what is already in place
We look at Microsoft 365, devices, backup arrangements, security settings, staff access, MFA, patching and any cyber insurance or compliance requirements.
Prioritise the gaps that matter most
You get plain English guidance on what needs attention first. No oversized project. No scare tactics. Just a sensible order of work.
Add managed protection where it helps
That may include endpoint protection, 24/7 detection and response, Microsoft 365 identity monitoring, email security, backup and staff training.
Keep it watched, maintained and useful
Cyber security should not sit in a forgotten portal. We help keep the important parts monitored, updated and ready when needed.
Good cyber security is not about buying the most complicated tool. It is about knowing what matters, watching the right signals and being able to recover when pressure is high.
That is the difference between “we have something installed” and “we know we are being looked after”.Three jobs your cyber security needs to do properly.
Most South Yorkshire organisations do not need enterprise complexity. They need sensible layers that reduce risk, spot trouble early and help the business recover quickly.
Stop more problems before they land
Reduce the chance of phishing, account compromise, ransomware and avoidable mistakes.
- Cyber Essentials readiness
- Email security and phishing protection
- Secure Microsoft 365 settings
- Patch management and safer devices
Spot suspicious activity earlier
Not every threat is stopped at the front door. Detection gives you visibility when something behaves oddly.
- Managed EDR for devices
- ITDR for Microsoft 365 identities
- 24/7 monitoring and response
- Human review of important alerts
Get back on your feet faster
Recovery matters when a file is deleted, an account is compromised or ransomware affects the business.
- Microsoft 365 backup
- Business backup and disaster recovery
- Restore testing and practical planning
- Support when downtime would hurt
Built for smaller teams that need cyber security to make sense.
We support organisations across South Yorkshire that need stronger protection, clearer evidence and practical help from someone who understands the pressure on smaller teams.
Organisations we commonly help
- Small businesses and micro businesses
- Care homes and domiciliary care providers
- Schools, nurseries and education settings
- Charities and community organisations
- Accountants, IFAs and professional services firms
- Trades, contractors and construction suppliers
Areas covered across South Yorkshire
We are based near Chesterfield, so South Yorkshire is a natural area for us to support. Most work can be handled remotely, with local familiarity when a conversation needs more than a ticket number.
Start with the problem you are trying to solve.
Some organisations come to us because they need certification. Some need better Microsoft 365 protection. Others need monitoring, backups or evidence for cyber insurance.
Cyber Essentials
A practical baseline for reducing risk and answering common supply chain questions.
SMB1001
A structured way for small businesses to show stronger cyber maturity.
Managed EDR
Human-led threat detection and response for devices, including evenings and weekends.
Microsoft 365 ITDR
Spot suspicious logins, account misuse and identity threats inside Microsoft 365.
Microsoft 365 Security
Protect mailboxes, files, admin settings and user access more effectively.
Advanced Email Security
Reduce phishing, impersonation and business email compromise risk.
Microsoft 365 Backup
Recover emails, files and cloud data when something is deleted or compromised.
Layered Security
See how prevention, detection, response and recovery fit together.
We are not pretending to be based in every town we support.
Black Swan Cyber Security Solutions is based near Chesterfield. That puts us close enough to support South Yorkshire organisations properly, while keeping most cyber security work efficient, remote and cost-effective.
Local understanding without the theatre
You get practical support from someone who understands smaller organisations, local reputation, compliance pressure and the reality of trying to keep costs under control.
No fake city-centre address
We do not need a pretend office to serve South Yorkshire. We would rather be honest about where we are based and clear about how we help.
Questions South Yorkshire businesses ask before getting help.
Do you cover Rotherham, Barnsley and Doncaster as well as Sheffield?
Yes. We support organisations across South Yorkshire, including Rotherham, Barnsley, Doncaster and Sheffield. We already have a dedicated Sheffield page, so this page focuses on the wider South Yorkshire area.
Can cyber security support be delivered remotely?
Most of it can. Microsoft 365 security, endpoint monitoring, email protection, backup checks, staff training and many reviews can be handled remotely. Where a more personal conversation is needed, we are based nearby in Chesterfield.
What should we do first if we are unsure where our gaps are?
Start with a review of your current setup. That usually means checking Microsoft 365, MFA, backups, endpoint protection, patching, staff access, admin accounts and any insurance or compliance questions you need to answer.
Do we need Cyber Essentials?
Cyber Essentials is often a sensible first step, especially if you work with public sector clients, larger suppliers or customers who want proof that basic controls are in place. It is not the whole answer, but it gives you a useful foundation.
Can you help with cyber insurance requirements?
Yes. We can help you understand the security controls insurers often ask about, including MFA, backups, endpoint protection, patching, email security, staff training and incident response planning.
Not sure what is protected, what is missing or what your insurer would expect?
Book a quick cyber security review. We will look at where you are now, what matters most and what would make the biggest difference for your organisation.
Backed by the world's leading cyber defenders





















Meet Kevin: Founder & lead security consultant
Kevin has spent over 20 years solving real-world IT and cyber security challenges for organisations like yours. His approach is refreshingly straightforward: listen first, understand your constraints, then build security that actually works within your budget and compliance requirements.
Beyond technical expertise, Kevin brings a deep understanding of how organisations really operate, gained through years serving as a Parish Councillor, school governor, and charity trustee. He knows what it’s like to balance competing priorities, stretch budgets, and maintain public trust.
Whether you’re dealing with a security incident or simply want an honest assessment of your current protection, Kevin provides clear guidance without the sales pitch.
Ready to discuss your security needs?
Contact Kevin directly – no lengthy sales process, just practical advice from someone who genuinely wants to help.


Meet Kevin: Founder of Black Swan
Concerned about cyber security? Need advice or a tailor-made quote? Kevin is here to help you!
From actionable advice to helping you to see where you could be at risk, Kevin will help you to get your business on a path that is secure-by-design and ready for the unthinkable.
Ready to replace sleepless nights with peace of mind? It all starts with an informal chat!
Either schedule a call by selecting a suitable date and time on the calendar or by clicking the button below to send us a message.