Research
Which post-quantum cryptography standards exist today?
NIST published FIPS 203, 204 and 205 in August 2024 for key exchange and signatures. What each one does, what is still pending, and what to do now.
Oct 18, 20264 min read
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Supply Chain Security, in plain English.
Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
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What is post quantum cryptography (PQC) and what do you do first?
Post quantum cryptography replaces public key algorithms a quantum computer could break. See what NIST standardized in 2024 and the first moves to make.
Oct 18, 20264 min read
Research
How does PGP encryption work and when should you use it?
PGP, standardised as OpenPGP, encrypts and signs files and email with public and private keys. Learn how it works, key handling and where it still fits.
Oct 18, 20264 min read
Research
What is a perimeter firewall and is it still enough?
A perimeter firewall filters traffic at the edge between your network and the internet. It still matters, but it is not enough alone. Learn rules and gaps.
Oct 18, 20264 min read
Research
What is a peer to peer VPN and is a mesh safe to run?
A peer to peer VPN links devices directly, not through one gateway. See how the tunnels form, where the risk moves and which controls to set first.
Oct 18, 20265 min read
Research
OT network segmentation vs microsegmentation: which do you need?
Segment the plant by zones and a DMZ first. Microsegmentation adds finer control but needs identity and discovery most OT sites lack. Sequence it.
Oct 18, 20265 min read
Research
What is the OSI model, and where do attacks land in its seven layers?
The OSI model splits networking into seven layers. See what each does, how it maps to TCP/IP, and which attacks and controls sit at which layer.
Oct 18, 20264 min read
Research
How do you onboard a new security hire in the first 90 days?
A 30, 60 and 90 day onboarding plan for new security hires: access first, then real systems, then ownership. Uses the NICE Framework for roles and skills.
Oct 18, 20264 min read
Research
What is the difference between observability and monitoring?
Monitoring watches for known failures. Observability lets you ask new questions of your telemetry. See where each fits and how to run both without waste.
Oct 18, 20264 min read
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