Research
In-depth guides and analysis on research from the Safeguard engineering team.
100 articles
What is dynamic DNS and is it safe to use?
Dynamic DNS keeps a hostname pointed at an address that changes. It is safe when updates are authenticated and exposed services are locked down.
What is DNS protection and what can it block?
DNS protection stops devices resolving known malicious domains, cutting phishing and malware callbacks. It covers one layer, so pair it with more.
What is deep packet inspection (DPI) and how does encryption limit it?
Deep packet inspection reads packet contents, not just headers. Learn what DPI sees, why TLS 1.3 limits it, and the trade-offs of decrypting traffic.
What is cryptographic agility and why does it matter now?
Crypto agility is the ability to swap algorithms without breaking systems. With post-quantum standards out, inventory your crypto and design for change.
What is BeyondCorp and how does it differ from zero trust?
BeyondCorp is Google's move from a privileged intranet to apps reached over the internet. Learn the idea, how it maps to NIST zero trust, and what to copy.
What is behavioral analytics in security and what can it detect?
Behavioral analytics learns what normal looks like for users and systems, then flags deviations. It helps against stolen credentials but needs tuning.
What is an endpoint protection platform (EPP) and what does it cover?
An endpoint protection platform bundles antivirus, host firewall and intrusion prevention on a device. See what it covers, what it misses and how to check.
What is adware and how do you remove it?
Adware shows unwanted ads and often tracks you or changes settings. Learn how it gets in, the signs to look for and how to remove and prevent it.
What is advanced threat protection (ATP), and what should it cover?
ATP is a label for defenses aimed at skilled, persistent attackers. See what the label usually covers and how to test whether a product detects your risks.
What is a white hat hacker and how does legal security research work?
A white hat hacker tests systems with permission and reports flaws. A clear disclosure policy and a security.txt file make that research safe for all.
What is a VPN tunnel and how does it work?
A VPN tunnel wraps packets inside encrypted packets between two endpoints. See how IPsec tunnel mode works, what it protects and what it does not.
What is a virtual firewall and where does it run?
A virtual firewall is firewall software that runs as a VM, hypervisor feature or cloud control. See where it sits, what it sees and how to test the rules.
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