Broadband and mobile providers are increasingly offering security as a paid or bundled add-on. Before you agree to one — or dismiss it — there are a few things worth understanding about how they actually work.
Where does the protection stop?
Most broadband security add-ons work at the router level, which means they only cover devices connected to your home network. The moment a device leaves the house — a child's phone at school, a laptop on mobile data — it's no longer protected.
That's a significant gap, and one providers don't always make obvious at the point of sale.
Parental controls: router-level vs device-level
Router-level parental controls are easy to set up and hard for children to bypass at home. But they offer no protection elsewhere. Device-level controls travel with the device, but are more likely to be worked around by tech-savvy kids. Neither approach is perfect — the right choice depends on your household and how your children use their devices.
Read more about how effective parental control software is.
A recent example: Vodafone Secure Net Home
Vodafone recently expanded Secure Net Home to more customers at £2/month.
It blocks malware and viruses at the network level — which works well while devices are on your home broadband. But take a phone onto mobile data, download something malicious, and it won't be detected while it's away from home.
Android users who have installed the cleaning app will at least have the infection flagged when the device reconnects to the home network. iOS users get no equivalent — if something malicious is downloaded away from home, it won't be detected at all.
See our full breakdown of Vodafone Secure Net Home.
EE Scam Guard: useful, but not a complete substitute for judgement
EE has similarly upgraded its Scam Guard mobile add-on to £2/month, adding AI-powered scam detection across calls, messages and web browsing through a Norton partnership.
The new features include Safe SMS, Safe Email and Safe Web, plus a scam screenshot analyser and password manager. The call labelling feature — which flags incoming calls as "Likely Nuisance" or "Suspected Scam" before you answer — remains the most visible and immediately useful part of the product.
But it's worth remembering that fraud still requires a degree of human judgement.
These tools will catch a lot, but not everything, and the notifications sit in a standalone app rather than integrating with your phone's native messages. If you're buying this for a relative, that's an extra layer to explain and monitor. It's also worth knowing that O2 offers call labelling for free.
BT is doing what Vodafone and EE charge for — at no extra cost
The more notable development this month is BT, which has quietly made what Vodafone and EE sell as paid add-ons available to broadband customers at no extra charge. BT's Cyber Threat Protect and Hub Threat Protect — arriving with the new Smart Hub 3 router — cover scam calls, suspicious links and malicious websites at both network and device level. BT Mobile customers also get AI-powered scam screening built into their plan. Full details on BT's security launch.
It doesn't mean BT is automatically the right choice — there are plenty of other reasons to pick a provider — but if security protection is the deciding factor, it may change the value calculation.
The bottom line
Security add-ons from broadband and mobile providers can be useful, but they're rarely whole-home solutions and the market is moving quickly. Before you pay for one, it's worth asking three things: does this cover all my devices, or just the ones at home? Is the same protection available free elsewhere? And does it actually integrate into how I use my phone, or does it require checking a separate app?
The answers usually tell you everything you need to know.