Ten years ago, the thing to be afraid of was a virus — a nasty bit of software that snuck onto your computer, slowed it to a crawl and trashed your files. Today, modern antivirus (including the Microsoft Defender already built into Windows) quietly blocks the overwhelming majority of that. The real danger has moved. It now arrives, politely, in your inbox.

Phishing — a fake email or text designed to trick you into handing over a password, a card number, or money — has overtaken viruses as the way most ordinary people actually get caught out. And the reason it’s so dangerous is simple: it doesn’t attack your computer. It attacks you.

Why a clever email beats a virus

Antivirus is good at spotting bad software. It is no help at all when the email is just words — a believable message asking you to “confirm your details” or “pay this overdue invoice”. There’s nothing for a scanner to catch, because nothing technically malicious has happened until you click the link and type your password into a fake page. A few reasons it’s now the bigger threat:

What modern phishing actually looks like

Forget the old “Nigerian prince” cliché. The emails that catch people now are dull, ordinary and plausible — because that’s exactly what makes you act without thinking:

A checklist of phishing red flags: false urgency, a link that doesn't match, a slightly-wrong sender address, requests for passwords or payment, and unexpected attachments.
The five things almost every phishing email has in common.

The red flags — spotting one in five seconds

Almost every phishing message trips at least one of these wires. If you train your eye for them, you’ll catch nearly all of them:

The golden rule: if a message creates a sudden feeling of panic or urgency, slow down. That feeling is the scam working. Never click the link in the email — instead, go to the company’s website yourself, or ring them on a number you looked up, not one from the email.

What to do if you’ve already clicked

It happens to careful, intelligent people every day — don’t feel foolish. Act quickly and you can usually limit the damage:

  1. If you entered a password, change it immediately — and change it anywhere else you used the same one. Start with your email account, as that’s the master key to everything else.
  2. Turn on two-step verification (also called 2FA or MFA) on that account, so a stolen password alone isn’t enough to get in.
  3. If you entered card or bank details, phone your bank straight away — most UK banks can block or refund if you’re quick.
  4. If it came from a contact’s hacked account, let them know so they can secure it before it spreads further.
  5. Report it. Forward suspicious emails to report@phishing.gov.uk (the UK’s official reporting address) and delete them.

How to stop them reaching you in the first place

Awareness is your best defence, but you shouldn’t have to be on guard every second of every day. A few sensible layers take most of the pressure off:

And if an email has you worried — or you think you may have clicked something you shouldn’t have — don’t stew on it. Bring the device in, or give us a ring, and we’ll take a calm, honest look with you. It’s far better to ask and be told “you’re fine” than to wonder.