How to Use VirusTotal to Check Files, Links and Downloads (Step-by-Step for Beginners)To use VirusTotal, open virustotal.com and pick one of three tabs: File to upload something you've downloaded, URL to check a link, or Search to look up a file hash, domain or IP address. The safest h1h ago · 18 min readmfaysaldev.hashnode.dev
How to Check an SSL Certificate Expiry Date (Browser, OpenSSL, PowerShell, curl and Python)To check an SSL certificate's expiry date, open the site in your browser, click the padlock or site-information icon next to the address, and view the certificate: the "Expires on" (or "Not After") da1C1d ago · 14 min readmfaysaldev.hashnode.dev
How to Check if a QR Code Is Safe Before You Scan It (iPhone, Android, UK and US)To check if a QR code is safe, don't open it straight away. Point your camera at it, read the web address that pops up, and only tap it if the domain clearly belongs to the organisation you expect (fo2d ago · 17 min readmfaysaldev.hashnode.dev
How to Check Your Browser Extensions for Malware (Chrome, Edge, Firefox and Safari)To check your browser extensions for malware, open your browser's extensions page (chrome://extensions in Chrome, edge://extensions in Edge, about:addons in Firefox, or Safari > Settings > Extensions 3d ago · 14 min readmfaysaldev.hashnode.dev
How to Check Windows Firewall Status on Windows 11 and 10 (and Fix It Safely)*To check Windows Firewall status on Windows 11 or 10, open the Windows Security app and select Firewall & network protection. You'll see three network profiles, Domain, Private and Public, each sayin4d ago · 15 min readmfaysaldev.hashnode.dev
