Plain-English field guides on security, privacy and productivity for everyday people in the age of AI.https://sharpe.co.za/en-GBhttps://sharpe.co.za/lock-and-key/https://sharpe.co.za/lock-and-key/A plain-English guide to setting up a hardware-backed password vault on Windows with gopass and a YubiKey, so only a physical key can open your passwords.Tue, 09 Jun 2026 00:00:00 GMTpasswordshardware keysself-custodyhttps://sharpe.co.za/digital-death-file/https://sharpe.co.za/digital-death-file/A plain-English guide to the one sealed plan that lets a trusted person reach your accounts and keys if you cannot, without leaving secrets lying around.Tue, 02 Jun 2026 00:00:00 GMTself-custodyestate planningfamilyhttps://sharpe.co.za/encrypted-backups-3-2-1/https://sharpe.co.za/encrypted-backups-3-2-1/A hands-on guide to the three-copy backup rule, done with encryption you hold the key to, so theft, fire or ransomware never means lost files.Tue, 26 May 2026 00:00:00 GMTbackupsencryptionransomwarehttps://sharpe.co.za/local-ai-assistant/https://sharpe.co.za/local-ai-assistant/A hands-on guide to running a capable AI assistant entirely on your own laptop with Ollama or LM Studio, with no account and nothing sent anywhere.Tue, 19 May 2026 00:00:00 GMTaiself-custodyprivacyhttps://sharpe.co.za/ai-voice-scam-code-word/https://sharpe.co.za/ai-voice-scam-code-word/A plain-English guide to the AI voice-clone call that mimics a loved one in trouble, and the one agreed family code word that defeats it.Tue, 12 May 2026 00:00:00 GMTscamsaifamilyhttps://sharpe.co.za/remove-yourself-from-data-brokers/https://sharpe.co.za/remove-yourself-from-data-brokers/A hands-on guide to finding the sites that sell your home address and phone number, and using your right to deletion to make them take it down.Tue, 05 May 2026 00:00:00 GMTprivacydata brokersonline trackinghttps://sharpe.co.za/secure-your-home-router/https://sharpe.co.za/secure-your-home-router/A hands-on guide to the handful of router settings that matter, and how to put smart gadgets on their own network so a weak one cannot reach your real devices.Tue, 28 Apr 2026 00:00:00 GMThome networksmart homesecurityhttps://sharpe.co.za/stop-ai-training-on-your-chats/https://sharpe.co.za/stop-ai-training-on-your-chats/A plain-English guide to what ChatGPT, Gemini and Claude keep from your conversations, and the one setting in each that stops your chats training the model.Tue, 21 Apr 2026 00:00:00 GMTaiprivacychatbotshttps://sharpe.co.za/masked-email-and-numbers/https://sharpe.co.za/masked-email-and-numbers/A plain-English guide to handing out alias email addresses and a spare phone number, so a breach or a spammer never reaches the real ones.Tue, 14 Apr 2026 00:00:00 GMTprivacyemailaliaseshttps://sharpe.co.za/two-factor-without-sms/https://sharpe.co.za/two-factor-without-sms/A plain-English guide to moving your most important logins off SMS codes onto passkeys and a hardware key, the single biggest account-safety upgrade most people can make.Tue, 07 Apr 2026 00:00:00 GMTpasskeystwo-factorsecurity