Cyber security and tech, the easy and fun way.
A magazine about the tech you actually use. Security, cloud and everyday digital life explained simply, and with some fun in it. No mystique, no myths, no jargon — the whole point is figuring it out together.
Your Authenticator Should Not Need Your Account
Why an authenticator whose backup restores through the very account it protects is a key locked inside the vault, and what a local, account-free alternative changes.
Read the articleYour Authenticator Should Not Need Your Account
Why an authenticator whose backup restores through the very account it protects is a key locked inside the vault, and what a local, account-free alternative changes.
Locked Out: The Day Your Personal Gmail Stops Being Yours
Single admin accounts, circular recovery, and "Sign in with Google" on everything. Why one lockout takes down a dozen unrelated services, and what actually works to get back in.
How to Spot LinkedIn Clickbait
The patterns that give away a post written for engagement rather than to inform, and how to stop wasting your time on them.
Cybersecurity Awareness Training
A complete guide to protecting yourself and your company against digital threats. Most attacks start with human error — technology protects systems, training protects people.
Running Your Own Mail Server, Eyes Open
No intermediary can lock your door, but deliverability, IP reputation, SPF, DKIM, DMARC and backups all become your problem. An honest accounting of both sides.
The Map You Published Yourself
Family photos, revenue brags, and a job ad naming your exact server and switch versions. Passive reconnaissance costs an attacker nothing, is entirely legal, and happens before a single packet is sent.
What this portal is
443sec publishes security and tech writing for people who are not security professionals: small business owners, developers outside the field, and anyone whose livelihood quietly depends on accounts they have never audited. Everything here is written from real incidents and real setups, not from a vendor brochure. Consulting and implementation are handled separately by X2 Nova Labs.