Dean Explains Tech

All videos

14 explainers · new ones every Wednesday and Saturday.

5:22
Money

Cloud vs a Server in the Cupboard: The 5-Year Maths

Every few years someone says the server in the cupboard is obsolete, and someone else says the cloud is a rip-off. Both are selling something. Here are the five-year numbers for each — and the situations where the cupboard genuinely still wins.

2026-09-23
5:36
Compliance

What Happens to Your Data When Someone Leaves

On their last day somebody deletes the account or strips the licence to stop paying for it. Reasonable — and quite often the moment the mail and files are permanently lost. The clock you start, the order that saves it, and the leftovers still open six months later.

2026-09-19
5:54
Security

MFA: Why Your Insurer and Your Certificate Now Both Demand It

A rule changed in April that most small businesses haven't been told about: miss multi-factor authentication on a cloud service and you don't lose a mark, you fail the whole assessment. What changed, what your insurer now wants, and why the type you choose matters as much as having it.

2026-09-16
5:10
Money

Choosing an IT Support Company: The 7 Questions to Ask

Someone recommends a bloke, he seems decent, the price is fine — and three years later you find you can't leave, because he owns things you assumed were yours. Seven questions from someone who sits on the other side of that table.

2026-09-12
5:14
Practical

Why Your Wi-Fi Is Slow (And What Actually Fixes It)

The provider says the line is fine, and they're usually right — in most small offices the broadband isn't the problem, the Wi-Fi is. The two-minute test that separates them, the four real causes, and what a proper fix costs.

2026-09-09
4:36
Security

Cyber Insurance: What It Actually Covers (And What Voids It)

Most businesses find out what their policy really covers at the worst possible moment. What it costs, what it genuinely pays for, what it never pays for, and the declarations that quietly void the whole claim.

2026-08-29
4:47
Compliance

GDPR for Small Businesses in Plain English

Two letters short of a panic attack for most owners — usually because of a £17.5m headline that has almost nothing to do with you. Here's the payment most small businesses owe, what the regulator actually acts on, and what you can safely ignore.

2026-08-26
4:30
Money

How Much Should Small Business IT Support Actually Cost?

Ask an IT company what support costs and you get "it depends" and a meeting invitation. Here are the actual per-user numbers — published by someone who sells the service.

2026-08-20
4:27
Security

What Ransomware Actually Does to a Small Business

Not the scary-statistics version — the hour-by-hour version. What you see first, what breaks, what it really costs, and the three decisions that decide whether you recover in a day or lose the lot.

2026-08-14
5:05
Money

The 7 Apps a Small Business Actually Needs

Most small businesses pay for eleven or twelve subscriptions, use five properly, and miss two things they genuinely need. Here's the list — plus the money you're almost certainly burning.

2026-08-14
4:54
Compliance

Is Cyber Essentials Worth It for a Small Business?

A real security standard or a certificate you buy? What it costs, what you get — including £25,000 of insurance most people miss — and whether your business actually needs it.

2026-08-06
5:22
Security

The 5 Scam Emails Catching UK Small Businesses

A business I work with nearly paid £12,000 to a criminal, because an email arrived that looked exactly like one they were expecting. Here are the five, shown on screen, and the 30-second check that catches all of them.

2026-08-06
5:13
AI

Is Microsoft Copilot Actually Worth £24 a Month?

A full month testing Copilot in a real business — email, Word, meetings and Excel — to find where it earns its keep and where it doesn't. Including the Excel test that surprised me.

2026-07-30
5:25
AI

How I'd Use AI in a Small Business in 2026

Everyone says use AI, nobody says where to start. The four things I'd set up in any small business from zero — what they cost, what they replace, and the one thing I'd never let AI near.

2026-07-29