Security Editor

Marta Kowalczyk

Marta spent eight years in incident response and application security consulting, and still maintains her OSCP certification. She writes about authentication, supply-chain risk and the practical work of turning a threat model into controls a team will keep using.

Cybersecurity

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Articles by Marta. 2 published.

Cybersecurity Sep 15, 2026

The Prompt Injection Problem Nobody Solved: A Field Guide for Teams Shipping Agents

Every team shipping an agent with tool access eventually meets the same class of bug, and no filter has ever closed it completely. We catalogue the patterns that keep appearing in real incidents and the containment measures that reduce the blast radius.

Marta Kowalczyk 14 min read

Cybersecurity Aug 27, 2026

Post-Quantum Encryption Is Already in Your Browser. Here's What Actually Changed

Hybrid post-quantum key exchange rolled out to most browsers with almost no user-facing announcement. We explain what it defends against, the handshake overhead it adds, and the middleboxes it quietly breaks.

Marta Kowalczyk 12 min read

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