Application Security
Is TypeScript enough for application security?
No. TypeScript types vanish at runtime and cannot validate input, so injection, access control and dependency risks remain. Here is what to add.
Oct 18, 20264 min read
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Supply Chain Security, in plain English.
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What are the most common IoT security issues and how do you fix them?
IoT devices fail on default passwords, no update path and exposed interfaces. Use NIST IR 8259A and ETSI EN 303 645 as a checklist when buying or building.
Oct 18, 20265 min read
Application Security
How do you secure an iOS app? A guide built on OWASP MASVS
Secure an iOS app by checking storage, crypto, auth, network, platform, code, resilience and privacy against OWASP MASVS and Apple's own protections.
Oct 18, 20264 min read
Application Security
How does an intrusion detection system work and which type fits?
An IDS watches network or host activity and alerts on suspected intrusions. Learn the four types, three detection methods and how to tune alerts.
Oct 18, 20264 min read
Application Security
What is an internal firewall and when do you need one?
An internal firewall filters traffic between zones inside your network. Learn where to place one, what to allow, and how it limits lateral movement.
Oct 18, 20265 min read
Application Security
What is an injection flaw, and how do you spot one in code review?
Injection is input that changes a command sent to another interpreter. A constructed search filter shows the pattern and the review checks that catch it.
Oct 18, 20265 min read
Application Security
How do you implement a zero trust security strategy step by step?
Zero trust means no implicit trust from network location. Start with identity, device health and one protected app, then expand with CISA's model.
Oct 18, 20264 min read
Application Security
How do you prioritize identity risk across accounts and access?
Rank identity risk by what an account can reach, how exposed it is and whether anyone owns it. Fix privileged, shared and orphaned accounts first.
Oct 18, 20264 min read
Application Security
What is ICMP and which messages should a firewall allow?
ICMP carries error and diagnostic messages for IP. Blocking all of it breaks path MTU discovery, especially on IPv6. Allow required types, limit the rest.
Oct 18, 20264 min read
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