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Application Security

How does an SSL stripping attack work, and what stops it?

SSL stripping keeps a browser on plain HTTP while an attacker talks HTTPS to the real site. HSTS, redirects and preloading close the gap. How to fix it.

Oct 18, 20264 min read
Application Security

How does a VPN work, and what does it protect?

A VPN wraps your traffic in an encrypted tunnel to a gateway, hiding it from the local network. It does not make you anonymous or secure the endpoint.

Oct 18, 20264 min read
Application Security

How does a remote access VPN work and what does it leave exposed?

A remote access VPN encrypts traffic between one device and a gateway but not what happens behind it. Here is how it works and how to set one up sensibly.

Oct 18, 20265 min read
Application Security

How do you write a unit test in JavaScript with the built-in runner?

Node.js ships a test runner. Write a unit test with node:test and assert, mock a dependency and run it with no extra packages. Includes a security case.

Oct 18, 20265 min read
Application Security

How do you segment an operational technology network without breaking it?

Group OT assets into zones by function and trust, put a DMZ between IT and OT, and allow only adjacent-level flows. NIST SP 800-82r3 explains the method.

Oct 18, 20264 min read
Application Security

How do you protect a distributed network with remote users and cloud?

A distributed network has no single perimeter. Protect resources with identity, device checks and per-session access, using NIST SP 800-207 and CISA goals.

Oct 18, 20264 min read
Application Security

How do you measure application security success without gaming it?

Counting findings rewards the wrong thing. Measure coverage, time to fix what is exploitable, maturity and escapes instead. Here is a set that holds up.

Oct 18, 20265 min read
Application Security

How do you make DevOps a force multiplier for cloud security?

Give DevOps teams secure defaults, automated checks in the pipeline and shared ownership. NIST SSDF offers the practice list that makes it measurable.

Oct 18, 20264 min read
Application Security

How do you find vulnerabilities in source code?

Find source code vulnerabilities by combining human review, static analysis, runtime tests and dependency checks, then triaging every result in one queue.

Oct 18, 20265 min read

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