Every office has that moment: the site won’t load, someone whispers “DNS,” and immediately half the room turns into a jury with opinions but no evidence. In this episode of Small Business Cybersecurity Guy, Noel Bradford, Mauven MacLeod, Lucy Harper and Graham Falkner turn that reflexive blame into a story—part detective work, part practical guide—about why DNS so often gets accused, what really breaks, and how to stop losing hours to assumptions.

167 vulnerabilities. Two zero-days. One already used in live attacks. Graham Falkner breaks down April's Patch Tuesday and what your business needs to do today — in under 10 minutes.

For full show notes etc: see https://thesmallbusinesscybersecurityguy.co.uk/blog/patch-tuesday-april-2026-sharepoint-zero-day-uk-smb/

They said they were secure because they’d turned on Microsoft 365 and MFA. That should have been the end of the conversation — except it wasn’t. In this episode we follow a small-business sagawhere confidence meets complacency: a tidy subscription, a proud admin ticked off in the dashboard, and then a perfectly ordinary Tuesday when the finance inbox receives a believable invoice and the lights go out on the company bank balance. This is not a movie heist; it’s bureaucratic sabotage — dull, precise, and devastating.

We pull the curtain back on how attackers pick the quietest path: mailbox rules that hide replies, forgotten connectors that bypass protections, OAuth prompts that invite parasites in, and session tokens that act like stolen wristbands. We show how MFA, while invaluable, is only one plank in a creaky bridge — and how adversary‑in‑the‑middle phishing, device‑code tricks, and consent abuse let threat actors walk straight across it.

Through vivid examples — a supplier invoice quietly altered, a payroll request that arrives at just the wrong time, an attacker living in a thread already trusted by your staff — the episode explains why ordinary-looking messages are the most lethal. We interview the patterns, the tiny settings that become permanent vulnerabilities, and the human moments where haste replaces verification. The drama is mundane; the impact is not.

We also look at the shiny things: Copilot and other productivity tools that can amplify both good work and a breach. If your permissions are messy, Copilot becomes a supercharged searchlight for attackers. If your tenant is tidy, it’s a time-saver. The story shows how the same feature can be helpful or harmful depending on the housekeeping behind it.

Finally, we turn tension into action with a clear, practical plan: check DMARC, hunt for forwarding rules, revoke suspicious app consents, remove unnecessary admins, and insist on a second verification channel for any money-moving requests. The episode closes with a simple promise — you do not need a fortress on a sandwich budget, you need fewer stupid gaps, better checks, and a bit more suspicion. Listen to this as a warning, a how‑to, and a Monday‑morning checklist for making your business noisier to attackers and faster to respond when things go wrong.