Research
How does a stateful firewall decide which packets to allow?
A stateful firewall keeps a table of connections and drops packets that fit none. Follow a TCP session and a DNS reply through it, then see the limits.
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 SPIFFE and how does it give workloads an identity?
SPIFFE is an open standard that gives each software workload a verifiable identity, so services use short-lived credentials instead of static secrets.
Oct 18, 20264 min read
Research
What is spear phishing and how is it different from phishing?
Spear phishing targets a specific person with a message built from real details about them. Learn how it works and the habits and controls that blunt it.
Oct 18, 20264 min read
Research
What is a software-defined perimeter and how does it work?
A software-defined perimeter hides services until a user and device are verified, then opens a narrow path. Learn the parts, SPA and the zero trust link
Oct 18, 20264 min read
Research
What is SNMP and how do you run it safely?
SNMP lets tools read and change network device state. Use SNMPv3 with authentication and encryption, limit who can poll, and disable unneeded write access.
Oct 18, 20265 min read
Research
What are the security risks of smart cities built on 5G and IoT?
Smart cities link many cheap devices over 5G, so one weak sensor can become a way in. See the main risks and the NIST device baseline cities can require.
Oct 18, 20264 min read
Research
What are best practices for a single-vendor SASE rollout?
Single-vendor SASE bundles network and security services under one policy. Define the access model first, migrate in phases, and plan for outages and exit.
Oct 18, 20264 min read
Research
How do you evaluate SIEM tools with your own log data?
A SIEM is only as good as the logs it ingests and the rules you tune. Run a two week trial with your own sources and five test events before you commit.
Oct 18, 20264 min read
Research
What do Shor's and Grover's algorithms break, and what do they not?
Shor's algorithm threatens RSA and elliptic curve cryptography. Grover's only speeds up brute force. See what to migrate first and what NIST advises.
Oct 18, 20265 min read
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