pusidun

Engineering & writing

Think through practice.
Learn through writing.

I’m pusidun, a software engineer. These are my notes on systems programming, endpoint security, and turning ideas into code.

Software engineer · Always learning, always sharing

notes / fold-expressions.cppC++17
// One expression instead of recursion.
template <typename... T>
auto sum_folder(T... args) {
    return (... + args);
}

sum_folder(1, 2, 3);
// → 6

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In focus

Endpoint security in the age of AI

From operating systems to agent runtimes: exploring the connections between permissions, sandboxes, plugin supply chains, and auditing.

Learning notes

Understand the boundaries. Build better defenses.

Windows / macOS system security
Agent threat modeling and sandbox isolation
Plugin supply chains and sensitive data protection