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Security

Account and server-level security in one place: securing your *account*, then securing your *server*.

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Account securityServer accessFirewallsApplication securityProtection & monitoringIncident response & compliance

Account security

Two-factor authenticationUpdated September 2026Signing in to Portal and securing your accountUpdated September 2026Recognising phishing attempts targeting hosting customersUpdated September 2026

Server access

How to improve your SSH securityUpdated September 2026How to change the SSH portUpdated September 2026Creating an SSH key pairUpdated September 2026Securing your server's out-of-band management (IPMI/BMC)Updated September 2026

Firewalls

Firewall basics in PortalUpdated September 2026UFW firewall basicsUpdated September 2026Iptables basicsUpdated September 2026Firewalld basicsUpdated September 2026Windows firewall basicsUpdated September 2026Security groups vs. a traditional firewall: what's the differenceUpdated September 2026What is a Web Application Firewall (WAF), and how it differs from a network firewallUpdated September 2026

Application security

How SSL/TLS certificates workUpdated September 2026Email authentication: SPF, DKIM and DMARC explainedUpdated September 2026CORS explained: why cross-origin requests get blockedUpdated September 2026What is SQL injection, and how to protect against itUpdated September 2026

Protection & monitoring

Understanding DDoS protection: what it actually doesUpdated September 2026Continuous Security ValidationUpdated September 2026Patch management: building an update strategy for your serverUpdated September 2026Why accurate server time matters (NTP basics)Updated September 2026

Incident response & compliance

What to do if your server has been compromisedUpdated September 2026Technical and organisational measures (TOMs): what they areUpdated September 2026

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