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Device Security

Guides, explainers, and practical reads updated regularly.

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DEVICE SECURITY
What a malware scanner on a home computer actually covers
Detection tools matter less than the two boring settings underneath them: automatic updates, and not doing daily work as an administrator.
A Windows Security notification on screen reporting that threats were found
DEVICE SECURITY
A storage checklist for company phones and tablets
Encryption on a work handset follows from the screen lock. Everything else on this list exists for the day the device does not come back.
Two Lexar Professional 64GB memory cards still in their retail packaging
DEVICE SECURITY
Paid security software against what your system already includes
Neither CISA nor the FTC names a product or draws a line between free and paid. Both spend their words on updates instead.
Hands typing on a laptop keyboard lit in blue and purple, with lines of code on the screen
DEVICE SECURITY
How one compromised device reaches the rest of a small office
On a flat network, every device can see every other device. Separation is the control that stops one infection becoming an incident.
Yellow fibre-optic cables looping in front of dark rack-mounted network equipment
DEVICE SECURITY
The personal device checklist worth doing once, properly
Twenty minutes of settings, most of which you will never touch again. The two that matter most have to be on before anything goes wrong.
Two people working at a laptop in a room lit by blue and purple neon light
DEVICE SECURITY
Putting your smart devices on their own Wi-Fi
CISA's instruction is specific: if a smart device only needs internet access, connect it to the guest network, not the main one.
A security app screen offering a quick scan of the most vulnerable areas of a device, with a Scan button
DEVICE SECURITY
The signs a smart home device has been interfered with
Smart devices rarely announce a compromise. What you get instead is a set of small oddities, and a router page that lists who is connected.
A smartphone lying on a bright yellow background, its screen showing a large white padlock icon on purple