
How to set up two-factor authentication (2FA)
Two-factor authentication blocks most account takeovers even if your password leaks. Learn how to turn on 2FA for Google, Microsoft, and more.
Marcus began as a systems administrator before moving into cybersecurity at a managed-security and web-hosting company, and then into tech writing. He handles security, privacy and browsers at 9sBlog — Chrome and Edge, passwords and accounts, tracking, DNS, and staying safe without the scare tactics.
31 articles

Two-factor authentication blocks most account takeovers even if your password leaks. Learn how to turn on 2FA for Google, Microsoft, and more.

A practical routine for spotting phishing: check the real sender, read a link before clicking, ignore the padlock, and recover fast if you clicked.

A backup is a copy that survives whatever destroys the original. What the 3-2-1 rule protects against, why sync is not backup, and how to test a restore.

A clear look at what a VPN protects on public Wi-Fi, what your ISP can still see, and when the privacy benefit is real instead of marketing.

Microsoft Defender covers most Windows 10 and 11 users by default. Here is what it handles, when paid antivirus is worth it, and the habits that matter more.

Chrome slows down from too many tabs, memory-hungry extensions, or a stale cache. Use Chrome's built-in Task Manager to find the cause, then fix it.

Most WordPress hacks exploit avoidable gaps. Keep core and plugins updated, harden logins with 2FA, force HTTPS, run a security plugin, and back up.

A plain guide to using Amazon S3 for backups: what buckets and object storage are, how to lock a bucket down, and simpler options if AWS is overkill.

Web hosting explained for beginners: what a host does, how it differs from a domain name, the main types of hosting, and how to choose one.

Managed web hosting means your provider handles setup, updates, security, and backups. Here's how it compares to unmanaged and who it suits.