Cyber Security for Business in Cambridge

What business cyber security covers

Cyber security for business is not a single product. It is a combination of tools, settings and processes that together reduce the chance of an attacker getting into your systems or data. The most effective setups are built from layers - each layer covers a gap the previous one leaves open. Knowing what those layers are, and the honest trade-offs between them, lets you spend money where it makes a real difference.

We support Windows PCs, laptops and Microsoft 365 environments for businesses in Cambridge and the surrounding area, working from our base in Bury St Edmunds. We do not support Apple Mac systems.

The core security controls and what they actually do

Before looking at options, it helps to understand the non-negotiable baseline. These are not optional extras - they are the foundation every business should have in place before anything else is considered.

• Windows and Microsoft 365 updates. Microsoft patches security vulnerabilities regularly. Unpatched systems are a known target. Applying updates promptly removes a large proportion of the attack surface automatically.
• Multi-factor authentication (MFA) on Microsoft 365. Without MFA, a stolen password is all an attacker needs to access your email, SharePoint and Teams data. With MFA enabled, a second factor (usually a phone prompt or code) is required. This is the single highest-impact step for Microsoft 365 security.
• Endpoint protection. A managed antivirus and anti-malware tool running on every Windows PC and laptop. The key word is managed - installed and monitored, not installed and ignored.
• Tested data backups. Backups that are never tested are not reliable backups. A good backup regime runs automatically, stores data separately from the live system, and is checked periodically to confirm it can actually be restored.

The options worth considering - and their honest pros and cons

Once the baseline is in place, a Cambridge business can look at additional controls. Here is an honest assessment of the main options.

Microsoft 365 built-in security features

Microsoft 365 includes a significant amount of security capability that many businesses simply have not switched on. Exchange Online Protection filters email for spam and known malicious links. Microsoft Defender for Business provides endpoint detection and response for Windows devices. Conditional Access policies can restrict account logins to known devices or locations.

Pros: Already included in many 365 licences or available at modest extra cost. Integrated with tools your staff already use. Reduces the number of separate products to manage.
Cons: The default settings are not always the most secure settings. Getting the most from these features requires someone who knows where to look and what to enable. An unlicensed or misconfigured deployment gives a false sense of security.

Third-party endpoint protection

Some businesses use a dedicated endpoint security product alongside or instead of Microsoft's built-in tools. These can offer more detailed reporting and, in some cases, more aggressive threat detection.

Pros: Some products offer detection capabilities that complement Microsoft's tools well. Central management consoles can make it easier to see the security status of every machine at a glance.
Cons: Adds cost and another product to manage. If your Microsoft 365 licences already include Defender for Business and it is properly configured, the additional benefit of a separate endpoint product is often marginal for a small business. More products also means more potential conflicts.

Email filtering and anti-phishing tools

Phishing - email designed to trick staff into clicking malicious links or revealing passwords - is the most common entry point for attackers targeting small businesses. Email filtering tools reduce the volume of malicious email that reaches inboxes.

Pros: Reduces the burden on staff to spot every threat manually. Can catch malicious attachments and links before they are opened.
Cons: No filter catches everything. Staff still need to know what a suspicious email looks like and what to do when one gets through. Filters set too aggressively can also block legitimate email, which causes operational problems of its own.

Staff security awareness training

Formal or informal training that teaches staff to recognise phishing attempts, understand password hygiene, and know what to do when something seems wrong.

Pros: Addresses the human element, which is the most consistently exploited vulnerability. Even a short, practical briefing reduces risk noticeably. Low cost relative to impact.
Cons: Needs to be refreshed. Threat tactics evolve, and training done once three years ago and never revisited gives people outdated information. The best approach is regular, brief updates rather than an occasional long session.

Password managers and credential hygiene

A password manager lets staff use strong, unique passwords for every account without having to remember them. This removes the risk of password reuse - where a breach of one site exposes credentials that work on business systems.

Pros: Directly addresses credential stuffing attacks, which are almost entirely automated and very common. Relatively inexpensive. Can be deployed across a team without significant disruption.
Cons: Requires a short setup process and some initial change in staff habits. If the master password or the manager itself is compromised, it becomes a single point of failure - so MFA on the password manager is important too.

Dark web monitoring

Tools that scan known databases of stolen credentials to alert you if a business email address and password combination has appeared following a data breach elsewhere.

Pros: Gives early warning if staff credentials have been exposed in a third-party breach before an attacker uses them against you. Can prompt a targeted password reset before damage is done.
Cons: Only covers known, published breaches. Fresh credential dumps may not appear immediately. Does not replace MFA - it supplements it.

What a well-structured security setup looks like in practice

For a typical Cambridge business running five to fifteen Windows machines and Microsoft 365, a practical and proportionate setup includes: MFA on all 365 accounts, updates managed centrally, endpoint protection active and monitored on every machine, a daily backup tested quarterly, email filtering at the Microsoft 365 level, and a password manager deployed across the team. That covers the realistic threat landscape for most small businesses without unnecessary complexity.

Larger setups, or those handling sensitive client data, may warrant additional controls. The right starting point is an honest look at what you have now and where the gaps are.

How our support contracts include security

Security monitoring, updates and backups are included as standard in our managed support contracts, not sold as extras. We offer two levels.

Business Essentials covers unlimited remote and phone support during office hours, with Windows updates, backups and security monitoring included. On-site visits are charged at a £60 call-out fee plus labour. Pricing per computer per month (excluding VAT): 1 computer £36, 2-3 computers £31.20 each, 4-9 computers £25.20 each, 10-17 computers £22.20 each, 18 or more computers £21.60 each.

Business Premium adds on-site labour and call-outs to the monthly fee. Pricing per computer per month (excluding VAT): 1 computer £54, 2-3 computers £42 each, 4-6 computers £38.60 each, 7-9 computers £33.80 each, 10-12 computers £31.20 each, 13-15 computers £28.40 each, 16-19 computers £25.40 each, 20 or more computers £24.40 each.

If a monthly contract is not the right fit, pre-paid time blocks are available: 4 hours for £312, 8 hours for £592, or 16 hours for £1,123. A managed email service is also available - ask us for pricing and details.

Talk to us about your Cambridge business

We support businesses across the region from Bury St Edmunds, including those in Cambridge, Newmarket, Ely, Haverhill and nearby towns. Call us during office hours to talk through which options genuinely make sense for your setup, your team size and your budget.