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Main Pages
Android Security
- Android Security Hub
- Android security: where to start
- How secure is your Android phone? A quick check
- New phone setup: essential security steps
- Screen lock, PIN, and biometrics on Android
- Two-factor authentication on Android
- Securing your Google account
- Managing passwords on Android
- Find My Device and remote wipe
- Understanding app permissions on Android
- Staying safe on Google Play
- Recognising and avoiding fake apps
- Sideloading apps: risks you need to know
- Android antivirus and security apps
- Safe browsing on Android Chrome
- Public Wi-Fi safety on Android
- Using a VPN on Android
- Bluetooth security on Android
- Home network security for Android users
- Keeping Android up to date
- Android privacy settings: a practical guide
- Backing up your Android phone
- Android device encryption
- Notification privacy on Android
- Android phishing: how to spot and avoid it
- Smishing (text message scams): what to do
- What to do if your Android is hacked
- Parental controls on Android
- SIM swapping: what it is and how to protect yourself
Windows Security
- Windows Security Hub
- Windows security: where to start
- Is your Windows PC already protected?
- Microsoft account security
- Windows Hello: PIN and biometrics
- Standard and admin accounts on Windows
- Using a password manager on Windows
- Windows Defender: what it does and how to check it
- Safe browsing on Windows
- Downloading software safely on Windows
- Recognising and avoiding ransomware
- Windows Firewall: what it does and how to check it
- Securing your home router from a Windows PC
- Using a VPN on Windows
- Public Wi-Fi risks for Windows users
- Windows Update explained
- BitLocker: encrypting your Windows laptop
- Secure Boot explained
- Disabling Remote Desktop when you don't need it
- Reviewing your Windows privacy settings
- Phishing on Windows: what to look for
- What to do if your Windows PC is hacked
- Backing up your Windows PC
Mac Security
- Mac Security Hub
- Mac security: where to start
- A 10-minute Mac security check
- Secure your Apple Account
- Set up Touch ID and a strong login password
- Use a standard account for everyday work
- Use iCloud Keychain or a password manager
- Turn on Find My Mac
- Gatekeeper: only run trusted apps
- How macOS blocks malware, and topping it up
- Downloading software safely on a Mac
- Protecting a Mac from ransomware
- Turn on the macOS firewall
- Secure your home router
- Using a VPN on a Mac
- Public Wi-Fi safety on a Mac
- Keep macOS up to date automatically
- Turn on FileVault disk encryption
- Review privacy permissions
- Turn off Sharing services you don't use
- Back up your Mac with Time Machine and iCloud
- Phishing and fake alerts on a Mac
- What to do if your Mac is compromised
- If your Mac is lost or stolen
iPhone Security
- iPhone Security Hub
- iPhone security: where to start
- A 10-minute iPhone security check
- Secure your Apple Account on iPhone
- Set up Face ID or Touch ID
- Choose a strong iPhone passcode
- Use iCloud Keychain or a password manager
- Turn on Find My iPhone
- Only install from the App Store, and spot fakes
- Review your app permissions
- Safe browsing in Safari
- Remove apps you don't use
- Public Wi-Fi safety on iPhone
- Using a VPN on iPhone
- Lock down AirDrop and Bluetooth
- Secure your iPhone's Personal Hotspot
- Keep iOS up to date automatically
- When to use Lockdown Mode
- Set a short auto-lock
- Review your privacy and tracking settings
- Back up your iPhone
- Phishing on iPhone: fake texts and calls
- Smishing: scam text messages
- What to do if your iPhone is compromised
- Use Screen Time to protect the family
Linux Security
- Linux Security Hub
- Linux security: where to start
- A 10-minute Linux security check
- Use a standard account for daily work, not root
- Use sudo safely
- A strong login password and automatic screen lock
- Use a password manager on Linux
- Does Linux need antivirus? An honest answer
- Install software from trusted sources
- Scan for malware with ClamAV
- Turn on the firewall
- Public Wi-Fi safety on Linux
- Using a VPN on Linux
- Keep Linux up to date
- Turn on automatic security updates
- Encrypt your disk with LUKS
- Review and turn off services you don't use
- Back up your Linux system
- Phishing and scams on Linux
- What to do if your Linux system is compromised
- If your Linux laptop is lost or stolen
AI Safety
- AI Safety Hub
- Getting Started with AI Safety
- Is It Safe to Use ChatGPT and Other AI Chatbots?
- Gemini and Copilot: Checking Your AI Privacy Settings
- AI Browser Extensions: Safety Checklist
- AI Scams to Watch For in the UK
- Deepfake Videos: How to Spot Them
- AI Investment and Crypto Scams: How They Work
- AI Romance Scams: Warning Signs
- AI-Generated Fake Job Scams: What to Watch For
- Smart Speakers: Privacy Settings to Check
- AI Security Cameras and Doorbells: Buying Checklist
- Children and AI Chatbots: What Parents Need to Know
- Protecting Elderly Relatives from AI Scams
- AI and Exam Cheating: What Parents Should Know
- Is Meta AI Safe on Facebook, Instagram and WhatsApp?
- AI Image and Video Generators: What to Know First
- AI Companion Apps: Emotional Attachment Risks
- AI Search Engines: What They Do With Your Data
- AI Smart Glasses and Privacy: What to Know
- Is Claude Safe to Use? Privacy and Data Handling
- AI Chatbots and Medical Advice: When to Trust Them
AI Homelab Projects
- AI Homelab Projects Hub
- Running AI at Home Safely
- Securing Self-Hosted AI Tools Like Ollama
- Set Up Ollama Securely at Home: Step by Step
- Put Smart AI Devices on Their Own Network
- Add a Login Screen to Ollama: Step by Step
- Check if Your Home AI Server Is Exposed Online
- Backing Up Your Self-Hosted AI Setup: Step by Step
- Monitoring Your Self-Hosted AI Server
- Immich: Self-Hosted Photos with Local AI
- Home Assistant Voice Control Without the Cloud
- Running AI Without a GPU: What to Expect
- 10 Self-Hosted Servers Worth Running at Home
- Set Up Pi-hole at Home: Step by Step
- Self-Hosting Vaultwarden: What You Need to Know
- Set Up Uptime Kuma at Home: Step by Step
- Set Up Portainer at Home: Step by Step
AI for Business
- AI for Business Hub
- AI Tools for Small Business
- Vetting AI Vendors: Questions to Ask First
- Writing an AI Use Policy for Your Business
- AI Customer Service Chatbots: Data and Security Basics
- AI Meeting Notes: Client Confidentiality Basics
- AI and Recruitment: Avoiding Bias in AI Hiring Tools
- AI Marketing Content: Copyright and Disclosure
More Guides
Security Guides
- Security Guides Hub
- Cyber Essentials changed its MFA rules in April 2026
- Review firewall rules on your business router
- Enable Windows Defender Firewall
- Enable your router's built-in firewall
- Change your router's default password
- Set up a separate guest Wi-Fi network
- Be careful what you do on public Wi-Fi on your phone
- Turn on your Linux firewall
- Set a strong screen lock on your phone
- Remove unused apps and software
- Review app permissions on your phone
- Back up your most important files
- Enable full-disk encryption on your laptop
- Disable remote desktop access if not needed
- Apply the 3-2-1 backup rule
- Turn off software and features your business does not use
- Use a VPN when connecting to public Wi-Fi
- Set your phone up to erase itself if it's ever lost or stolen
- Test that your backup actually works
- Review your social media privacy settings
- Review what data Google holds about you
- Remove personal contact details from your social media profiles
- Set your phone to lock automatically after 30 seconds
- Turn on Find My Mac
- Review your Mac's privacy permissions
- Turn on Find My iPhone
- Review and turn off services you don't use
- Set up every new business device the same secure way
- Set up two-factor authentication on your email
- Set up Face ID and a strong passcode
- Change any weak or reused passwords
- Review connected apps in your Google or Microsoft account
- Create separate admin and day-to-day user accounts
- Use a password manager
- Use an app for your login codes instead of texts. It's more secure
- Check and update the passwords on your most important accounts
- Sign up for data breach alerts
- Check your credit report for signs of identity theft
- Use a physical security key to lock down your most important accounts
- Turn on login alerts for your social accounts
- Save your backup sign-in codes somewhere safe
- Review and reduce app permissions on your phone
- Use a standard account for everyday work on your Mac
- Do everyday work as a standard user, not root
- Enable real-time virus protection on all devices
- Only install apps from official app stores
- Learn how to spot a phishing email
- Never open unexpected email attachments or links
- Learn to recognise common UK scams
- Enable safe browsing in your web browser
- Install approved security software on all business devices
- Set up email authentication for your domain (SPF, DKIM, DMARC)
- Turn on Gatekeeper to run only trusted apps
- Learn to spot and report scam texts
- Install software only from trusted sources
- Enable automatic operating system updates
- Keep your web browser up to date
- Keep your phone's operating system up to date
- Enable automatic firmware updates on your router
- Set a monthly reminder to update all apps
- Establish a patch management process for your business