Wildcard SSL certificate or multi-domain SAN? How each one covers names, their security trade-offs, and how to choose for your subdomains.
A practical website security checklist for small businesses: accounts, HTTPS, updates, backups, email authentication and monitoring, with quick checks.
How phishing attacks target small businesses, the warning signs staff should know, and the technical and process controls that stop most attempts.
Practical personal data protection steps for your database: map what you hold, minimise it, restrict access, mask test copies and delete on time.
Two-factor authentication methods ranked: SMS, authenticator apps, push prompts, security keys and passkeys, with where each one is weak.
TLS 1.3 vs 1.2 compared: the faster handshake, removed weak ciphers, mandatory forward secrecy, and how to enable and test TLS 1.3 on your server.
What makes a strong password today, why length beats symbols and substitutions, how passphrases work, and simple rules for staff and admins.
SSL certificate types explained: how DV, OV and EV differ in validation, what visitors actually see, and which one your business really needs.
Database security best practices in layers: network isolation, least-privilege accounts, SQL injection defence, encryption, patching and audit logs.
How a password manager for business stops password reuse, secures shared logins and offboarding, and what features to check before you choose one.
What a web application firewall does, how it differs from a network firewall, the main deployment options, and what a WAF can and cannot protect you from.
Four reliable ways to check SSL certificate expiry: the browser, an online checker, OpenSSL and PowerShell, plus how to stop renewals slipping.
