#security
Articles tagged #security
Certificates & SSLOct 14, 2026 · 5 min read
Wildcard vs SAN certificates: which one do you actually need?
Wildcard and SAN certificates solve different coverage problems. Here's how each works, where they fall short, and how to pick the right one for your domains.
Domains & DNSOct 5, 2026 · 6 min read
Dangling DNS records and subdomain takeover: how to find and remove them
Learn how deleted cloud resources turn into dangling DNS records attackers can claim, and get a practical process for auditing and cleaning up a zone.
Monitoring & StatusOct 2, 2026 · 5 min read
Setting up alerts for pending server reboots and security updates
Learn how Linux servers track pending reboots and stalled security updates, and how to get alerted before a quiet server turns into an outage.
Email & deliverabilitySep 28, 2026 · 7 min read
SPF and DMARC across the top 10,000 domains: 2026 data
We ran our SPF and DMARC checkers over the 10,000 most popular domains. Only 55.7% of those that accept mail are fully protected.
Servers & CloudSep 18, 2026 · 6 min read
Cloud firewall rules explained: default-deny, inbound/outbound and common mistakes
A practical breakdown of how cloud firewall rules actually work, why default-deny matters, and the ports people leave open without realising it.
Monitoring & StatusSep 9, 2026 · 5 min read
Infrastructure drift explained: what it is and how it creeps in
Infrastructure drift is the gap between what your config says and what's actually running. Here's how it happens, how tools detect it, and how to stay ahead of it.
Certificates & SSLSep 2, 2026 · 6 min read
Certificate transparency explained: what CT logs are and why they matter
Certificate Transparency logs make certificate issuance public and auditable. Here's how CT works and how to use it to catch misissued certificates early.
Domains & DNSAug 21, 2026 · 6 min read
What is DNSSEC and should you enable it?
DNSSEC stops attackers from forging DNS answers, but it's opt-in everywhere and easy to misconfigure. Here's the threat it solves, the trade-offs, and when to turn it on.
Servers & CloudAug 17, 2026 · 5 min read
How to secure your infrastructure in 2026: a practical checklist
A practitioner's checklist for securing DNS, TLS, servers and monitoring in 2026 — covering zero trust, DNSSEC, certificate automation and supply chain hygiene.
Domains & DNSAug 14, 2026 · 4 min read
Why infrastructure inventory is important (and what to track)
An unmanaged domain, a forgotten server, or an expired certificate can take down production. Here's why infrastructure inventory is the foundation of reliable, secure operations.
Servers & CloudAug 12, 2026 · 5 min read
When should you use cloud firewalls?
Cloud firewalls filter traffic before it reaches your server; host firewalls filter it after. Here's when to use each, and the sane defaults to start with.
Certificates & SSLAug 7, 2026 · 4 min read
Why browsers show "Not Secure": causes and fixes
Understand exactly why Chrome, Firefox and Safari flag a site as "Not Secure" and how to fix each cause, from missing HTTPS to mixed content and bad certificates.
Certificates & SSLJul 17, 2026 · 6 min read
SSL certificates explained: what they are and how the chain of trust works
A plain-English guide to how SSL/TLS certificates work, why the chain of trust matters, and how DV, OV and EV validation actually differ.
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