Before You Share a HAR File, Check What Your Browser Recorded
A HAR file can expose URLs, authentication details and response data. Capture a short browser trace, review it locally and share only what support needs.
Posts by Nadia Rahman
Remove App Permissions from Your Microsoft Account
Remove app permissions from a personal Microsoft account or a work or school account. Check administrator grants, existing sessions and data a service already holds.
How to Review and Remove Apps Linked to Your Google Account
See what apps linked to your Google Account can do, remove unwanted permissions, and keep access to services you still use. Covers sign-in, data access and copied information.
BitLocker recovery after a BIOS update: what to do next
BitLocker can ask for its recovery key after a BIOS or UEFI change because the TPM sees a different startup state. Learn what to check now and how to prepare before the next update.
Steam account hacked? Secure it before you recover it
If you spot an unfamiliar Steam sign-in, trade or purchase, secure the device and email behind your account first. Then use Steam Support's recovery route, revoke unknown sessions and check what happened.
Windows Firewall prompts: should you allow the app?
A Windows Firewall prompt asks whether an app may receive network traffic. Learn when it needs an exception, what Private and Public mean, and how to revoke access later.
How to check a downloaded app's digital signature in Windows
Check a Windows installer’s Authenticode signature, compare its signer with the official publisher, and understand why a valid signature may still trigger a SmartScreen warning.
7-Zip CVE-2025-0411: Update to Fix the Mark-of-the-Web Bypass
Older 7-Zip releases could drop Windows’ internet-origin marker from files in nested archives. Check for version 24.09, understand the user interaction involved, and know what an update cannot undo.
Find your BitLocker recovery key before you need it
Find your Windows recovery key, match the correct ID and keep an accessible backup outside your PC, with guidance for personal and work accounts.
XZ Utils backdoor: how to check your Linux system
The XZ backdoor affected specific Linux packages and release channels. Here is how to read the full version, follow your distribution’s advice and assess earlier exposure.
Chrome extension permissions: what can your add-ons read?
An extension’s site access is only part of its permissions. Learn what Chrome’s three access settings mean, test a narrower setup and review the tools you keep.
Passkeys explained: what happens if you lose your phone?
What happens to your passkeys when a phone goes missing? Understand syncing, recovery and spare sign-in methods, then check your setup before you need it.
Cybersecurity systems: what the different protections do
Understand the roles of application, network and information security, why recovery differs from continuity, and why security reduces rather than eliminates risk.
How to secure a Zoom meeting with passcodes and Waiting Rooms
A Zoom invitation can carry its passcode in the link. Use a generated meeting ID, screen guests in the Waiting Room and limit screen sharing, with settings checked against guidance available by 14 May 2020.