Do You Still Need Antivirus?
With genuinely capable security now built into modern operating systems, a fair question is whether paid antivirus is still worth it. The honest answer is "it depends" — and not in the way the security industry's scare-tactic adverts would have you believe. Here's a straight-talking look at what you really need, for home users and businesses alike.
Built-in protection has come a long way
The security built into current versions of Windows — Microsoft Defender — is genuinely good. It runs quietly in the background, updates itself automatically, and consistently scores well in independent testing. Mac has solid built-in protections too. For a careful home user who keeps their system updated, the built-in tools cover the basics well — and they avoid the slow-downs, pop-ups and pushy renewal nags that gave paid suites a bad name.
Where extra protection earns its keep
- Businesses benefit from centrally managed protection, so every device is covered, monitored and reported on consistently — you can see at a glance that the whole team is protected rather than hoping each person is.
- Higher-risk users — lots of downloads, shared family PCs, or older relatives who may be targeted by scams — gain from added layers like web filtering and dedicated ransomware protection.
- Peace of mind and support have real value; for many people, having someone to call if something goes wrong is worth paying for.
Free vs paid — and a serious warning
Reputable free antivirus exists, but tread carefully: many "free cleaner", "PC optimiser" and "free virus removal" tools are more nuisance than help, bundling adware or nagging you to pay for fixes you don't need — and some are outright malware. Stick to well-known names, and never install security software from a pop-up or a cold call; that's a classic tech-support scam. One good solution is plenty — running two antivirus programs at once causes conflicts, slow-downs and false alarms, so don't double up.
Does more expensive mean more secure?
Not necessarily. The pricier "internet security suites" bundle extras — VPNs, password managers, "PC tune-up" tools — of wildly varying quality, and the protection at the core is often no better than the free built-in option. If a particular extra is genuinely useful to you, fine; but don't assume a bigger price tag buys meaningfully better malware protection. Pay for the layers you'll actually use, not the longest feature list.
The bigger truth: habits beat software
Here's what the adverts won't tell you: no antivirus stops everything, and most incidents start with a person, not a missing program. Someone is tricked into entering a password, clicking a link, or approving a payment. So your habits matter more than any single product. The genuinely high-impact basics are strong passwords and multi-factor authentication, learning to spot phishing, keeping software updated, and having good backups so that even a worst-case infection is an inconvenience rather than a disaster.
What about Macs, phones and tablets?
Antivirus advice tends to assume a Windows PC, but the picture differs across devices. Mac computers have strong built-in protections and are targeted less often, though they're not immune — careful habits matter there too, and those "your Mac is infected" pop-ups are almost always scams. Phones and tablets are a different world again: iPhone and iPad apps are tightly sandboxed and traditional antivirus isn't really a thing on them, while Android includes Google Play Protect and rarely needs a third-party scanner if you stick to the official store. Across all of them, the real risks are the same human ones — phishing, scams and dodgy links — that no app fully prevents. So the honest takeaway stays consistent: protection helps, but your judgement is what keeps every device safe.
A sensible setup for most people
For a typical home user, the built-in protection plus good habits is genuinely enough. For a family PC, a higher-risk user, or anyone who'd value the support, a single reputable paid product adds worthwhile layers. For a business, managed, monitored protection across all devices is the right call — not because the software is magic, but because consistency and oversight are.
Not sure what you need?
We'll recommend the right level of protection for how you actually use your devices — no upselling, no scaremongering. See our cyber security service, or for businesses, our managed IT. And if you think something's already got in, our computer repair team will check it over and clean it up.
Official guidance: The UK’s NCSC Cyber Aware campaign sets out the core protections every device should have — updates, backups, strong passwords and two-factor authentication alongside antivirus.