Research
How does external attack surface discovery support zero trust?
Zero trust needs a list of resources to protect. Discovering what is exposed finds the unlisted ones, but discovery alone is not zero trust.
Oct 18, 20264 min read
Resources
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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How does EDR use machine learning and where can it be fooled?
EDR tools use machine learning to score files and flag odd behavior on endpoints. It helps at scale but can miss slow attacks. See what to test and ask.
Oct 18, 20264 min read
Research
How does the RADIUS protocol work and how do you secure it?
RADIUS lets network gear ask a central server who may connect. See the message flow, its old shared secret and MD5 limits, and how RadSec over TLS helps.
Oct 18, 20264 min read
Research
How does malware analysis work: static, dynamic and safe lab setup?
Malware analysis studies a suspicious file to learn what it does. See static and dynamic methods, how to build an isolated lab and what to record.
Oct 18, 20265 min read
Research
How does Ethernet switching work, and where does it go wrong?
A switch learns which MAC address sits behind which port and forwards frames only there. See how learning, flooding and VLANs work and what to harden.
Oct 18, 20264 min read
Research
How does a VPN work? Follow one packet through the tunnel
A VPN wraps your traffic in an encrypted tunnel to a gateway. Follow one packet through the steps, then see what a VPN protects and what it leaves exposed.
Oct 18, 20264 min read
Research
How does a firewall work? Packet filters, state and proxies
A firewall compares each connection to ordered rules and allows or blocks it. Learn packet filtering, stateful inspection and proxies, plus default deny.
Oct 18, 20264 min read
Research
How do you secure a cloud migration from planning to cutover?
Secure a cloud migration by inventorying assets and data, settling who owns each layer, building identity and logging first, then moving in checked waves.
Oct 18, 20265 min read
Research
How do you pick an upcoming CTF to play and get value from it?
CTFs come in jeopardy, attack-defence and mixed formats. Learn how to find upcoming events, pick one for your level and turn it into real skills.
Oct 18, 20264 min read
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