Knowledge Base

Guides, deep dives, and opinion across IT and cybersecurity.

23 July 2026File Sync Is Not a Backup: Dropbox, OneDrive, Google Drive and the Versioning Question"Sync is not a backup" is repeated as settled fact, but it is a live debate, muddied by vendors who sell both under the same brand. Here is the case each way: what version history genuinely rescues you from, the documented attack that destroys it, and where a reasonable person could land on either side.
22 July 2026AI Is Brilliant, and That Is Exactly Why You Cannot Stop LearningArtificial intelligence (AI) can now do more and more of our work, superbly. But there is a quiet trap: hand a task over so completely that your own sharpness at it quietly rusts, and you are caught flat-footed the moment the AI is unavailable. Here is how that caught me out, and why the answer is not less AI, but not switching your own brain off.
21 July 2026Full-Disk Encryption: Why Windows Is Turnkey and Linux TPM Still Is NotFull-disk encryption protects your data when a device is lost, stolen, or disposed of. BitLocker and FileVault make it effortless. On Linux, LUKS is rock solid but TPM auto-unlock is still unreliable in 2026, and here is what to actually do about it.
21 July 2026Backing Up a MacBook: Time Machine's Local Snapshots, and Why Laptops Are the Hard CaseLaptops are the trickiest thing to back up: rarely near their backup drive, yet far more likely to be dropped, cooked, lost, or stolen. Here is how Time Machine's local snapshots bridge the gap, what they can and cannot save you from, and how to manage them.
20 July 2026The Conditional Access Policies Every Microsoft 365 Tenant Should HaveA generic, vendor-neutral baseline of the Conditional Access policies every Entra ID tenant should run: what each does, why it matters, how to roll them out without locking yourself out, and how a device filter keeps managed devices friction-free.
20 July 2026What Should I Buy: a Windows PC, a Mac, or a Linux Machine?There is no single best computer, only the best one for you. Here is an honest, use-case-driven guide to choosing between a Windows PC, an Apple Mac, and Linux (including replacing Windows with Linux), with the real trade-offs of each.
20 July 2026Windows on ARM: Native vs Emulated, and What Actually RunsWindows now runs on ARM chips like Snapdragon, but your software has to cope with a new architecture. Here is the difference between native and emulated apps, the one hard rule about drivers, how to check, and what to verify before buying an ARM laptop.
19 July 2026Phishing-Resistant MFA: Why Your Current MFA Probably Is Not EnoughNot all multi-factor authentication is equal. Push prompts, SMS codes, and authenticator apps can all be phished or bombed. Here is what phishing-resistant MFA actually means, why passkeys and FIDO2 are the answer, and how to roll it out.
19 July 2026SPF, DKIM, and DMARC: Stop People Sending Email as Your DomainThe three DNS records that stop your domain being spoofed. How SPF, DKIM, and DMARC actually work together, the concept everyone misses (alignment), the pitfalls that quietly break them, and a safe staged path all the way to p=reject.
18 July 2026Do You Actually Need a VPN? What They Really Do (and Don't)VPNs are massively oversold. Here is what a VPN actually does, the marketing myths (anonymity, public wifi, being secure), when one is genuinely worth it, why free VPNs are usually a trap, and how to pick a good one if you need it.
18 July 2026Windows vs macOS Keyboard Shortcuts: Who Wins for Nimble-Finger Productivity?A comprehensive side-by-side of Windows and macOS keyboard shortcuts (editing, text navigation, window management, and power-user tricks) plus an honest verdict on which OS actually makes your fingers faster.
17 July 2026Microsoft 365 Backup: Why Microsoft Doesn't Back Up Your DataOne of the most dangerous assumptions in business IT is that Microsoft backs up your Microsoft 365 data. It does not. Here is the shared-responsibility model, what the native recycle bins and retention actually cover, what leaves you exposed, and why you need a third-party backup.
17 July 2026Offline AI: The Best Hardware and Models for Running Local LLMsYou can run genuinely useful artificial intelligence (AI) entirely on your own device, offline, with nothing sent to any company. Here is why that matters, the hardware that makes it fly (Apple Silicon, Snapdragon, and discrete GPUs), the models, and what an awesome offline AI setup actually looks like.
16 July 2026Closed-Loop Ecosystems: How Apple Optimises Everything, and How Microsoft Tries to Keep UpApple designs the chip, the operating system, and the hardware as one, which is why its devices sip power and feel so polished. Here is how that vertical integration works, why it wins on battery and efficiency, and how Microsoft's Surface line tries to close the same loop.
16 July 2026The Right to Repair: The Debate, the Law, and Why the Framework Laptop Matters (If You Can Get One)Should you be allowed to fix the things you own? The right-to-repair movement says yes, and the law is increasingly agreeing. Here is the real debate, where the law now stands, why the Framework Laptop is the poster child, and the frustrating catch of its geographic availability.
16 July 2026The Secure Boot Certificate Saga: Why 2026 Matters for Your PCSecure Boot's trust rests on certificates baked into your firmware, and the main ones from 2011 expire in 2026. Here is what that means, what happens if your PC misses the replacement, the Linux and dual-boot angle, and what to actually do.
15 July 2026AI on Your Terms: Governance, Sovereignty, and Offline LLMsArtificial intelligence (AI) is genuinely useful, but every cloud AI tool means sending your data to someone else's servers. Here is a practical, privacy-first take on AI governance, data sovereignty, and running capable models entirely offline on your own hardware.
15 July 2026Password Managers: What Happens If the Vendor Is Breached?Password manager companies do get breached. Here is what a breach actually exposes, why a well-built manager keeps your passwords safe anyway, where the real risks are, and why you should still use one.
14 July 2026The Most Secure Operating System, from Laptops to PhonesWhich operating system is actually safest for a normal person? An honest look at macOS, Windows, Linux and ChromeOS on laptops, and iPhone versus Android on phones.
14 July 2026x86 vs ARM: Who Really Owns the Chip in Your Next LaptopIntel and AMD's x86 ran computing for decades, but ARM is taking over, from Apple Silicon to Snapdragon laptops. Here is how the two architectures differ, the unusual way ARM is owned and licensed, and why performance-per-watt makes ARM the future.
13 July 2026Cloud Sync on Linux: OneDrive vs Dropbox, rclone vs Native ClientsThere is no official OneDrive client for Linux, and Dropbox's is limited. Here are the real ways to sync OneDrive, Dropbox, and other clouds on Linux, from native-style clients to rclone, and which to pick for your use case.
13 July 2026Microsoft Office Alternatives: LibreOffice, OnlyOffice, and the Sovereignty QuestionYou do not have to pay for or be locked into Microsoft Office. Here are the genuinely good free alternatives, how well they open your existing Word and Excel files, the new European Euro-Office, and why Microsoft's document format quietly dominating the world is a problem.
12 July 2026Antivirus vs EDR: What Home Users and Businesses Actually NeedFor home users, paid antivirus is mostly a waste: a locked-down account and Windows Defender with its extra protections switched on is genuinely enough. For businesses the game changes: you need EDR with real response, across Windows, Mac, and Linux. An honest guide to both.
12 July 2026Don't Port-Forward: NAT, Exposure, and Overlay NetworksOpening ports on your router to reach a NAS, camera, game server, or home lab from outside exposes it to the entire internet. Here is why that is risky, and how overlay networks like Tailscale and WireGuard give you secure remote access without exposing anything.
11 July 2026Cross-Platform Note-Taking, and a Cautionary TaleHow to take notes that follow you to any phone or computer without getting trapped in one brand's app. The apps, the formats, and the setup that keep your notes portable for the long haul.
11 July 2026Data Destruction: Wiping, Shredding, and What Actually Counts as SecureDeleting a file does not destroy it. Here are the real options for destroying data, how they differ for hard drives versus SSDs and phones, the shortcut that encryption gives you, and what is genuinely acceptable at each level of sensitivity.
11 July 2026How to Find Old and Deleted Web PagesPages get changed and deleted, but copies often survive. Here are the archives, caches, and techniques for finding what a web page used to say, from the Wayback Machine to on-demand snapshots, plus the limits and legitimate uses.
10 July 2026Dark Web Monitoring: What It Is, and Why Have I Been Pwned Does It FreeAntivirus suites and identity services sell 'dark web monitoring' as a premium scare feature. Here is what it actually is, why Have I Been Pwned covers the essential part for free, and what (if anything) the paid versions add.
10 July 2026System Rollback Is Not a Backup: Disaster Recovery on Windows, macOS, and LinuxWindows Point-in-Time Restore, macOS Time Machine snapshots, and Linux Timeshift each undo a bad update or broken config, but only one of them is a real off-device backup. Here is how the two layers differ and why you need both.
9 July 2026Making an Android Phone and MacBook Work Together: The Direct Tools, and Why They Struggle on the MoveAirDrop via Quick Share, USB, Phone Link, KDE Connect and LocalSend are the direct ways to move files between an Android phone and a Mac. Here is where each one falls down, and why leaning on the local network is a pain the moment you leave your desk.
9 July 2026How to Make an Android Phone and MacBook Work Together Like an iPhone and MacUse OneDrive and cross-platform services as the continuity layer to make an Android phone and a MacBook feel like one integrated system.