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Illustration of Smart App Control: an app goes through a cloud check that lets safe apps run, blocks malicious ones and checks the signature when unsure, beside the Evaluation, On and Off settings in Windows Security.
Antivirus ·

Smart App Control in Windows 11: what it blocks and why

What Windows 11 Smart App Control blocks, its three modes and how to turn it back on.

Illustration of a registrar's nameserver settings with the old nameserver crossed out and two new ones added, pointing to a new DNS zone holding A, CNAME, MX and TXT records
hosting ·

How to change nameservers without breaking your site

Where to change nameservers, what to copy first, why DNSSEC matters and how long the switch takes.

A shared group in the Apple Passwords app holds three logins, beside a panel showing what the owner and members can do and a reminder to change passwords after removing someone.
Password managers ·

Apple Passwords app shared group: set up and share with family

Share logins with family in the Apple Passwords app: who can join, what members can change and what to do after.

Two panels compare Drive for desktop modes: streaming downloads only some files and uses little disk space, mirroring keeps every My Drive file on the computer.
Cloud storage ·

Google Drive stream vs mirror files: which desktop mode to use

Streaming saves disk space; mirroring keeps every file offline. How to choose, switch safely and keep files offline.

Illustration of a laptop connected through an encrypted tunnel to a VPN server, beside a list showing VPN use on public Wi-Fi and for work as legal in Australia, pirated content as still infringing, streaming as a terms issue and overseas use as dependent on local law.
VPN ·

Is a VPN legal in Australia? What the law says

VPNs are legal in Australia. What the law does cover: data retention, site blocking, under-16 rules and travel.

Four steps of a Microsoft Defender Offline scan, from saving your work to a restart, a scan of about 15 minutes and results in Protection history, above a checklist: suspend BitLocker, WinRE enabled, admin account, x64 Windows PC.
Antivirus ·

Microsoft Defender Offline scan: when and how to run it

A restart-time scan for malware that hides from Windows. When to run it, how long it takes and where results appear.

A web host linked to four CDN edge copies, beside a list showing images, CSS, JavaScript and fonts cached by default while HTML pages come from the origin.
hosting ·

Do I need a CDN for my website? A small-site guide

What a CDN does, when a small site gains from one, what it caches and what to check before you switch it on.

Four random example words forming a passphrase, with a checklist marking long, unpredictable and unique as good and a predictable sentence as poor, and an arrow to a password vault.
Password managers ·

How to choose a master password for your password manager

Use a passphrase of four or more random words. How to build one, check it and plan for forgetting it.

A bin listing two files marked restore and one marked gone, beside a bar showing a 30-day restore window ending in gone, with OneDrive, Google Drive and iCloud Drive labels.
Cloud storage ·

Recover deleted files from cloud storage: OneDrive, Drive, iCloud

Check the Recycle bin, Trash or Recently Deleted first. How long each service keeps files and what can't come back.

A phone sends a browser and a chat app through a VPN tunnel to a VPN server, while an excluded banking app connects directly with the device's own IP address
VPN ·

VPN split tunnelling: choose which apps skip the VPN

Split tunnelling sends chosen apps outside the VPN. How the modes work and the kill switch and DNS catches.

Two browser windows, Site A and Site B, each holding its own cookie jar, separated by a dashed line marked no share
Firefox ·

Firefox Total Cookie Protection: settings and site fixes

Keep cookie isolation enabled and diagnose broken sign-ins with a narrow, reversible site test.

Three DNS record cards for SPF, DKIM and DMARC connect to an envelope with a tick, showing email authenticated for your domain.
Domains ·

SPF, DKIM and DMARC explained: protect your domain's email

What SPF, DKIM and DMARC records do, and a safe order to add them to your domain.

A trusted contact's request passes a wait-time clock before a password vault opens, with a note that you can approve or reject first.
Password managers ·

Password manager emergency access: let someone in when you can't

Bitwarden, 1Password and Apple handle emergency access very differently. Here is how to set up each one.

An Android phone with a Play Protect shield, linked to notes on daily scans, apps from Google Play, protection on by default and updates from the phone maker.
Antivirus ·

Do Android phones need antivirus? What Play Protect does

Most Android phones already scan apps with Google Play Protect. Here is what it covers, what it misses and when to pay.

A four-bay NAS with stacked file versions, arrows leading to an external USB drive and then to a cloud, each holding its own set of file copies.
NAS ·

How to back up a NAS: local, offsite and restore checks

Build a 3-2-1 NAS backup with versioned local and offsite copies, then prove it works with restore tests.

A browser window compares your IP with the VPN off and the server IP with it on, beside a checklist of IP address, DNS, WebRTC and IPv6 tests.
VPN ·

How to check if your VPN is working: IP, DNS and WebRTC tests

Compare your IP address, then test for DNS, WebRTC and IPv6 leaks. What each test shows and what to do if one fails.

A .au domain moves from one registrar to another using a secure authorisation code, with the registrant email kept current
Domains ·

How to transfer a .au domain to another registrar

Move a .au domain between registrars without confusing the auth code, hosting or a change of registrant.

A table compares online-only, locally available and always-kept OneDrive files using cloud and tick icons.
OneDrive ·

OneDrive Files On-Demand: keep the right files offline

Choose which Windows files stay offline and understand why Free up space is different from Delete.

A list of saved passwords with one marked leaked and one reused under a magnifying glass, beside a hash prefix being checked against a database of known breach lists.
Password managers ·

How to check if your password has been leaked, and what to do next

Your password manager can already check for leaked passwords. Where to look, how it stays private and what to change.

A computer screen with pop-up windows and a bug badge beside four steps: disconnect, run a full scan, back up and reset if still infected, change passwords from a clean device.
Malware ·

What to do if your computer has a virus: a step-by-step plan

Disconnect, scan, reset if needed, then change passwords from a clean device: the ACSC's recovery steps in order.

A laptop's VPN tunnel to the internet is cut, with a kill switch toggled on, above three stages: tunnel up, tunnel drops and internet blocked, reconnected.
VPN ·

What is a VPN kill switch, and should you turn it on?

A VPN kill switch blocks the internet when the VPN drops. Here is how the types differ and where to turn it on.

A Mac laptop labelled Time Machine and a Windows PC labelled File History both connected to one backup drive, above the versions Time Machine keeps: hourly for the past 24 hours, daily for the past month, weekly for older months.
Backup ·

Windows File History vs Time Machine: set up a local backup

File History and Time Machine both keep earlier versions of your files on an external drive. How to set each one up.

Illustration of an HTTPS address bar and a domain-validated certificate beside bars showing the maximum certificate lifetime falling from 398 days to 47 days by March 2029.
SSL ·

Free SSL certificate for your website: how it works and what to check

Most small sites can run HTTPS on a free certificate. What to check: validation, automatic renewal and mixed content.

A download passes Gatekeeper, notarisation and XProtect before reaching a Mac, with one blocked item turned away at the first gate.
Antivirus ·

Do Macs need antivirus? What macOS already does

Every Mac has built-in malware protection. Here is what it covers, what it misses and when paying makes sense.

Choosing a digital service means looking beyond its introductory offer. ULKA’s buying guides compare documented features, platform support, account controls and the practical limits of each option. We explain who a service may suit and what to check before committing. Start with security if you are protecting accounts and devices, hosting if you are publishing a website, or cloud storage and backup if you are planning how to keep files accessible and recoverable. Current subscription costs in Australian dollars are listed in our subscription prices section.

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